Sexual Differentiation of the Vocal Control System of Birds

Advances in Genetics

Volumn 59, Issue , 2007, Pages 67-105

  Gahr, Manfred ^a  

^a MAX PLANCK INSTITUTE FOR ORNITHOLOGY   (Germany)

Author keywords

[No Author keywords available]

Indexed keywords

STEROID;

ANIMAL; AUDIOVISUAL EQUIPMENT; BIRD; BRAIN; ENDOCRINE SYSTEM; FEMALE; MALE; METABOLISM; REVIEW; SEX DIFFERENCE; SEX DIFFERENTIATION; SEXUAL DEVELOPMENT; SONGBIRD; VOCALIZATION;

ANIMALS; BIRDS; BRAIN; ENDOCRINE SYSTEM; FEMALE; MALE; MODELS, ANATOMIC; SEX CHARACTERISTICS; SEX DIFFERENTIATION; SEX FACTORS; SONGBIRDS; STEROIDS; VOCALIZATION, ANIMAL;

EID: 34548654410     PISSN: 00652660     EISSN: None     Source Type: Book Series    
DOI: 10.1016/S0065-2660(07)59003-6     Document Type: Review

References (231)

1. Adkins E.K., and Adler N.T. Hormonal control of behavior in Japanese quail. J. Comp. Physiol. Psychol. 81 (1972) 27-36
2. Adkins-Regan E., Mansukhani V., Seiwert C., and Thompson R. Sexual differentiation of brain and behavior in the zebra finch: Critical periods for effects of early estrogen treatment. J. Neurobiol. 25 7 (1994) 865-877
3. Adret P., and Margoliash D. Metabolic and neural activity in the song system nucleus robustus archistriatalis: Effect of age and gender. J. Comp. Neurol. 454 4 (2002) 409-423
4. Agate R.J., Grisham W., Wade J., Mann S., Wingfield J., Schanen C., Palotie A., and Arnold A.P. Neural, not gonadal, origin of brain sex differences in a gynandromorphic finch. Proc. Natl. Acad. Sci. USA 100 (2003) 4873-4878
5. Agate R.J., Choe M., and Arnold A.P. Sex differences in structure and expression of the sex chromosome genes CHD1Z and CHD1W in zebra finches. Mol. Biol. Evol. 21 (2004) 384-396
6. Airey D.C., and DeVoogd T.J. Greater song complexity is associated with augmented song system anatomy in zebra finches. Neuroreport 11 (2000) 2339-2344
7. Akutagawa E., and Konishi M. A monoclonal antibody specific to a song system nuclear antigen in estrildine finches. Neuron 31 (2001) 545-556
8. Akutagawa E., and Konishi M. Connections of thalamic modulatory centers of the vocal control system of the zebra finch. Proc. Natl. Acad. Sci. USA 102 (2001) 14086-14091
9. Andersson M. "Sexual Selection." (1994), Princeton University Press, Princeton, New Jersey
10. Andrew R.J. Effect of testosterone on the behavior of the domestic chick. J. Comp. Physiol. Pschol. 56 (1963) 933-940
11. Appeltants D., Ball G.F., and Balthazart J. The distribution of tyrosine hydroxylase in the canary brain: Demonstration of a specific and sexual dimorphic catecholaminergic innervation of the telencephalic song control nuclei. Cell Tissue Res. 304 (2001) 237-259
12. Appeltants D., Ball G.F., and Balthazart J. The origin of catecholaminergic inputs to the song control nucleus RA in canaries. Neuroreport 13 (2002) 649-653
13. Appeltants D., Ball G.F., and Balthazart J. Song activation by testosterone is associated with an increased catecholaminergic innervation of the song control system in female canaries. Neuroscience 121 (2003) 801-814
14. Arai O., Taniguchi I., and Saito N. Correlations between the size of song control nuclei and plumage color change in orange bishop birds. Neurosci. Lett. 98 (1989) 144-148
15. Arcese P., Stoddard P.K., and Hiebert M.S. The form and function of song in female Song Sparrows. Condor 90 (1988) 44-50
16. Arnold A.P., and Gorski R.A. Gonadal steroid induction of structural sex differences in the central nervous system. Annu. Rev. Neurosci. 7 (1984) 413-442
17. Arnold A.P., Nottebohm F., and Pfaff D.W. Hormone concentrating cells in vocal control and other areas of the brain of the zebra finch (Poephila guttata). J. Comp. Neurol. 165 (1976) 487-511
18. Baker M.C., Bottjer S.W., and Arnold A.P. Sexual dimorphism and lack of seasonal changes in vocal control regions of the white-crowned sparrow brain. Brain Res. 295 (1984) 85-89
19. Ballintijn M.R., and Ten Cate C. Sex differences in the vocalizations and syrinx of the Collared Dove (Streptopelia decaocto). Auk 114 (1997) 22-39
20. Baptista L.F., Trail P.W., Dewolfe B.B., and Morton M.L. Singing and its functions in female white-crowned sparrows. Anim. Behav. 46 (1993) 511-524
21. Beani L., Panzica G., Briganti F., Persichella P., and Dessi-Fulheri F. Testosterone-induced changes of call structure, midbrain and syrinx anatomy in partridges. Physiol. Behav. 58 (1995) 1149-1157
22. Beani L., Briganti F., Campanella G., Lupo C., and Dessi-Fulgheri F. Effect of androgens on structure and rate of crowing in the Japanese quail (Coturnix japonica). Behaviour 137 (2000) 417-435
23. Beletsky L.D. Aggressive and pair-bond maintenance songs of female red-winged blackbirds (Agelaius phoeniceus). Z. Tierpsychol. 62 (1983) 47-54
24. Bennet M.A. The vocal hierarchy in ring doves. II. The effects of testosterone propionate. Ecology 21 (1940) 148-165
25. Bentley G.E., Van't Hof T.J., and Ball G.F. Seasonal neuroplasticity in the songbird telencepahlon: A role for melatonin. Proc. Natl. Acad. Sci. USA 96 (1999) 4674-4679
26. Benton S., Nelson D.A., Marler P., and DeVoogd T.J. Anterior forebrain pathway is needed for stable song expression in adult white-crowned sparrow (Zonotrichia leucophrys). Behav. Brain Res. 96 (1998) 135-150
27. Bernard D.J., Casto J.M., and Ball G.F. Sexual dimorphism in the volume of song control nuclei in European starlings: Assessment by a Nissl stain and autoradiography for muscarinic cholinergic receptors. J. Comp. Neurol. 334 (1993) 559-570
28. Bernard D.J., Bentley G.E., Balthazart J., Turek F.G., and Ball G.F. Androgen receptor, estrogen receptor alpha, and estrogen receptor beta show distinct patterns of expression in forebrain song control nuclei of European starlings. Endocrinology 140 (1999) 4633-4643
29. Beyer C., Ivanonva T., Karolczak M., and Kuppers E. Cell-type specificity of non-classical estrogen signalling in the developing midbrain. J. Steroid Biochem. Mol. Biol. 81 (2002) 319-325
30. Bolhuis J.J., and Gahr M. Neural mechanisms of birdsong memory. Nat. Rev. Neurosci. 7 (2006) 347-357
31. Bonhoeffer T. Neurotrophins and activity-dependent development of the neocortex. Curr. Opin. Neurobiol. 6 (1996) 119-126
32. Bottjer S.W., Miesner E.A., and Arnold A.P. Forebrain lesions disrupt development but not maintenance of song in passerine birds. Science 224 (1984) 901-902
33. Bottjer S.W., Roselinsky H., and Tran N.B. Sex differences in neuropeptide staining of song-control nuclei in zebra finch brains. Brain Behav. Evol. 50 5 (1997) 284-303
34. Brainard M.S., and Doupe A.J. Interruption of a basal ganglia-forebrain circuit prevents plasticity of learned vocalizations. Nature 404 (2000) 762-766
35. Brauth S.E., Liang W., Amateau S.K., and Robert T.F. Sexual dimorphism of vocal control nuclei in Budgerigars (Melopsittacus undulates) revealed with Nissl and NADPH-d staining. J. Comp. Neurol. 484 (2005) 15-27
36. Brenowitz E.A., and Arnold A.P. Interspecific comparisons of the size of neural song control regions and song complexity in duetting birds: Evolutionary implications. J. Neurosci. 6 (1986) 2875-2879
37. Brenowitz E.A., and Lent K. Act locally and think globally: Intracerebral testosterone implants induce seasonal-like growth of adult avian song control circuits. Proc. Natl. Acad. Sci. USA 99 (2002) 12421-12426
38. Brenowitz E.A., Arnold A.P., and Levin R.N. Neural correlates of female song in tropical duetting birds. Brain Res. 343 (1985) 104-112
39. Brenowitz E.A., Nafis B., Wingfield J.C., and Kroodsma D.E. Seasonal changes in avian song nuclei without seasonal changes in song repertoire. J. Neurosci. 11 (1991) 1367-1374
40. Brenowitz E.A., Nalls B., Kroodsma D.E., and Horning C. Female marsh wrens do not provide evidence of anatomical specializations of song nuclei for perception of male song. J. Neurobiol. 25 (1994) 197-208
41. Brockway B.F. Influences of sex hormones on the loud and soft warbling of male budgerigars. Anim. Behav. 16 (1968) 5-12
42. Brockway B.F. Roles of budgerigar vocalizations in the integration of breeding behaviour. In: Hinde R.A. (Ed). "Bird Vocalizations" (1969), Cambridge University Press, London 131-158
43. Burgess L.H., and Handa R.J. Hormonal regulation of androgen receptor mRNA in the brain and anterior pituitary gland of the male rat. Mol. Brain Res. 19 (1993) 31-38
44. Canady R.A., Kroodsma D.E., and Nottebohm F. Population differences in complexity of a learned skill are correlated with the brain space involved. Proc. Natl. Acad. Sci. USA 81 (1984) 6232-6234
45. Carlson G., and Trost C.H. Sex determination of the Whooping Crane by analysis of vocalization. Condor 84 (1992) 532-536
46. Carruth L.L., Reisert I., and Arnold A.P. Sex chromosome genes directly affect brain sexual differentiation. Nat. Neurosci. 5 (2002) 933-934
47. Casto J.M., and Ball G.F. Early administration of 17beta-estradiol partially masculinizes song control regions and alpha2-adrenergic receptor distribution in European starlings (Sturnus vulgaris). Horm. Behav. 30 (1996) 387-406
48. Catchpole C.K., and Slater P.J.B. "Bird Song: Biological Themes and Variations." (1955), Cambridge University Press, Cambridge, UK
49. Chen X., Agate R.J., Itoh Y., and Arnold A.P. Sexually dimorphic expression of trkB, a Z-linked gene, in early posthatch zebra finch brain. Proc. Natl. Acad. Sci. USA 102 (2005) 7730-7735
50. Chiba A., and Hosokawa N. Effects of androgens and estrogens on crowings on distress callings in male Japanese quail, Coturnix japonica. Horm. Behav. 49 (2006) 4-14
51. Crews D. The organizational concept and vertebrates without sex chromosomes. Brain Behav. Evol. 42 (1993) 202-214
52. Del Negro C., and Edeline J.M. Differences in auditory and physiological properties of HVc neurons between reproductively active male and female canaries (Serinus canaria). Eur.J. Neurosci. 14 (2000) 1377-1389
53. Del Negro C., Kreutzer M., and Gahr M. Sexually stimulating signals of canary (Serinus canaria) songs: Evidence for a female-specific auditory representation in the HVC nucleus during the breeding season. Behav. Neurosci. 114 (2000) 526-542
54. DeVoogd T.J., and Nottebohm F. Sex differences in dendritic morphology of song control nucleus in the canary: A quantitative Golgi-study. J. Comp. Neurol. 196 (1981) 309-316
55. DeVoogd T.J., and Nottebohm F. Gonadal hormones induce dendritic growth in the adult brain. Science 214 (1981) 202-204
56. DeVoogd T.J., Krebs J.R., Healy S.D., and Purvis A. Relations between song repertoire size and the volume of brain nuclei related to song: Comparative evolutionary analyses amongst oscine birds. Proc. R. Soc. Lond. B Biol. Sci. 254 (1993) 75-82
57. DeVoogd T.J., Houtman A.M., and Falls J.B. White-throated sparrow morphs that differ in song production rate also differ in the anatomy of some song-related brain areas. J. Neurobiol. 28 (1995) 202-213
58. Deviche P., and Gulledge C.C. Vocal control region sizes of an adult female songbird change seasonally in the absence of detectable circulating testosterone concentrations. J. Neurobiol. 42 (2000) 202-211
59. Dittrich F., Feng Y., Metzdorf R., and Gahr M. Estrogen-inducible, sex- of brain-derived neurotrophic factor mRNA in a forebrain song control nucleus of the juvenile zebra finch. Proc. Natl. Acad. Sci. USA 96 (1999) 8221-8246
60. Durand S.E., Heaton J.T., Amateau S.K., and Brauth S.E. Vocal control pathways through the anterior forebrain of a parrot. (Melopsittacus undulatus). J. Comp. Neurol. 377 (1997) 179-206
61. Falls J.B., and Kopachena J.G. White throated sparrows (Zonotrichia albicollis). Birds North. Am. 128 (1994) 1-32
62. Farabaugh S.M. The ecological and social significance of duetting. In: Kroodsma D.E., and Miller E.H. (Eds). "Acoustic Communication in Birds" Vol. 2 (1982), Academic Press, New York 85-125
63. Farquhar C.C. Individual and intersexual variation in alarm calls of the white-tailed hawk. Condor 95 (1993) 234-239
64. Fortune E.S., and Margoliash D. Parallel pathways and convergence onto HVc and adjacent neostriatum of adult zebra finches (Taeniopygia guttata). J. Comp. Neurol. 360 (1995) 413-441
65. Fusani L., and Gahr M. Hormonal influence on song structure and organization: The role of estrogen. Neuroscience 138 (2006) 939-946
66. Fusani L., Beani L., and Dessi-Fulgheri F. Testosterone affects the acoustic structure of the male call in the grey partridge (Perdix Perdix). Behaviour 128 (1994) 301-310
67. Fusani L., Van't Hof T., Hutchison J.B., and Gahr M. Seasonal expression of androgen receptors, oestrogen receptors and aromatase in the canary brain in relation to circulating androgens and oestrogens. J. Neurobiol. 43 (2000) 254-268
68. Fusani L., Hutchison J.B., and Gahr M. Testosterone regulates the activity and expression of aromatase in the canary neostriatum. J. Neurobiol. 49 (2001) 1-8
69. Fusani L., Metzdorf R., Hutchison J.B., and Gahr M. Aromatase inhibition affects testosterone-induced masculinization of song and the neural song system in female canaries. J. Neurobiol. 54 (2003) 370-379
70. Gahr M. Delineation of a brain nucleus: Comparison of cytochemical, hodological, and cytoarchitectural views of the song control nucleus HVC of the adult canary. J. Comp. Neurol. 294 (1990) 30-36
71. Gahr M. Brains structure: Causes and consequences of brain sex. In: Short R.V., and Balaban E. (Eds). "The Differences Between the Sexes" (1994), University Press, Cambridge 273-302
72. Gahr M. Developmental changes in the distribution of oestrogen receptor mRNA expressing cells in the forebrain of female, male and masculinized female zebra finches. Neuroreport 7 (1996) 2469-2473
73. Gahr M. How should brain nuclei be delineated? Consequences for developmental mechanisms and for correlations of area size, neuron numbers and functions of brain nuclei. Trends Neurosci. 20 (1997) 58-62
74. Gahr M. Neural song control system of hummingbirds: Comparison to swifts, vocal learning (songbirds) and nonlearning (suboscines) passerines, and vocal learning (budgerigars) and nonlearning (dove, owl, gull quail, chicken) nonpasserines. J. Comp. Neurol. 426 (2000) 182-196
75. Gahr M. Male Japanese quails with female brains do not show male sexual behaviors. Proc. Natl. Acad. Sci. USA 100 (2003) 7959-7964
76. Gahr M. Hormone-dependent neural plasticity in the juvenile and adult song system: What makes a successful male?. Ann. N. Y. Acad. Sci. 1016 (2004) 684-703
77. Gahr M., and Balaban E. The development of a species difference in the local distribution of brain estrogen receptive cells. Dev. Brain Res. 92 (1996) 182-189
78. Gahr M., and Garcia-Segura L.M. Testosterone-induced increase of gap-junctions in HVC neurons of adult female canaries. Brain Res. 712 (1996) 69-73
79. Gahr M., and Güttinger H.R. Korrelation zwischen der sexual dimorphen Gehirndifferenzierung und der Verhaltensausprägung bei Prachtfinken (Estrildidae). J. Ornithol. 126 (1985) 310
80. Gahr M., and Güttinger H.R. Functional aspects of singing in male and female Uraeginthus bengalus (Estrildidae). Ethology 72 (1986) 123-131
81. Gahr M., and Konishi M. Developmental changes in estrogen-sensitive neurons in the forebrain of the zebra finch. Proc. Natl. Acad. Sci. USA 85 (1988) 7380-7383
82. Gahr M., and Kosar E. Identification, distribution, and developmental changes of a melatonin binding site in the song control system of the zebra finch. J. Comp. Neurol. 367 (1996) 308-318
83. Gahr M., and Metzdorf R. Distribution and dynamics in the expression of androgen and estrogen receptors in vocal control systems of songbirds. Brain Res. Bull. 44 (1997) 509-517
84. Gahr M., and Metzdorf R. The sexually dimorphic expression of androgen receptors in the song nucleus hyperstriatalis ventrale pars caudale of the zebra finch develops independently of gonadal steroids. J. Neurosci. 19 (1999) 2628-2636
85. Gahr M., and Wild J.M. Localization of androgen receptor mRNA-containing cells in avian respiratory-vocal nuclei: An in situ hybridization study. J. Neurobiol. 33 (1997) 865-876
86. Gahr M., Flugge G., and Güttinger H.R. Immunocytochemical localization of estrogen-binding neurons in the songbird brain. Brain Res. 402 (1987) 173-177
87. Gahr M., Güttinger H.R., and Kroodsma D.E. Estrogen receptors in the avian brain: Survey reveals general distribution and forebrain areas unique to songbirds. J. Comp. Neurol. 327 (1993) 112-122
88. Gahr M., Metzdorf R., and Aschenbrenner S. The ontogeny of the canary HVC revealed by the expression of androgen and oestrogen receptors. Neuroreport 8 (1996) 311-315
89. Gahr M., Sonnenschein E., and Wickler W. Sex differences in the size of the neural song control regions in a dueting songbird with similar song repertoire size of males and females. J. Neurosci. 18 (1998) 1124-1131
90. Gahr M., Leitner S., Fusani L., and Rybak F. What is the adaptive role of neurogenesis in adult birds?. Prog. Brain Res. 138 (2002) 233-254
91. Gil D., and Gahr M. The honesty of bird song: Multiple constraints for multiple traits. Trends Ecol. Evol. 17 (2002) 133-140
92. Gil D., Naguib M., Riebel K., Rutstein A., and Gahr M. Early condition, song learning and the volume of song brain nuclei in the zebra finch (Taeniopygia guttata). J. Neurobiol. 66 (2006) 1602-1612
93. Godsave S.F., Lohmann R., Vloet R.P., and Gahr M. Androgen receptors in the embryonic zebra finch hindbrain suggest a function for maternal androgens in perihatching survival. J. Comp. Neurol. 453 (2002) 57-70
94. Goymann W., Wittenzellner A., and Wingfield J.C. Competing females and caring males. Polyandry and sex-role reversal in African black coucals (Centropus grillii). Ethology 110 (2004) 807-823
95. Grafen A. Biological signals as handicaps. J. Theor. Biol. 144 (1990) 517-546
96. Grisham W., Mathews G.A., and Arnold A.P. Local intracerebral implants of estrogen masculinize some aspects of the zebra finch song system. J. Neurobiol. 25 (1994) 185-196
97. Groothuis T.G.G., and Meeuwissen G. The influence of testosterone on the development and fixation of the form of displays in two age classes of young black-headed gulls. Anim. Behav. 43 (1992) 189-208
98. Gulledge C.C., and Deviche P. Photoperiod and testosterone independently affect vocal control region volumes in adolescent male songbirds. J. Neurobiol. 36 (1998) 550-558
99. Gurney M.E. Hormonal control of cell form and number in the zebra finch song system. J. Neurosci. 1 (1981) 658-673
100. Gurney M.E. Behavioral correlates of sexual differentiation in the zebra finch song system. Brain Res. 231 (1982) 153-173
101. Gurney M.E., and Konishi M. Hormone-induced sexual differentiation of brain and behavior in zebra finches. Science 208 (1980) 1380-1383
102. Güttinger H.R. The integration of learnt and genetically programmed behaviour: A study of hierarchical organization in songs of canaries, greenfinches and their hybrids. Z. Tierpsychol. 49 (1979) 285-303
103. Güttinger H.R. Self-differentiation of song organization rules by deaf canaries. Z. Tierpsychol. 56 (1981) 323-340
104. Halle F., Gahr M., and Kreutzer M. Effects of unilateral lesions of HVC on song patterns of males domesticated canaries. J. Neurobiol. 56 (2003) 303-314
105. Hamilton K.S., King A.P., Sengelaub D.R., and West M.J. A brain of her own: A neural correlate of song assessment in a female songbird. Neurobiol. Learn. Mem. 68 (1997) 325-332
106. Hartley R.S., and Suthers R.A. Lateralization of syringeal function during song production in the canary. J. Neurobiol. 21 (1990) 1236-1248
107. Hausberger M., Richard-Yris M.A., Henry L., Lepage L., and Schmidt I. Song sharing reflects the social organization in a captive group of European starlings (Sturnus vulgaris). J. Comp. Psychol. 109 (1995) 222-241
108. Heid P., Güttinger H.R., and Pröve E. The influence of castration and testosterone replacement on the song architecture of canaries (Serinus canaria). Z. Tierpsychol. 69 (1985) 224-236
109. Henry L., and Hausberger M. Differences in the social context of song production in captive male and female European starlings. C. R. Acad. Sci. III. 324 (2001) 1167-1174
110. Herrmann K., and Arnold A.P. Lesions of HVC block the developmental masculinizing effects of estradiol in the female zebra finch song system. J. Neurobiol. 22 (1991) 29-39
111. Herting B.L., and Belthoff J.R. Bounce and double trill songs of male and female western Screech-Owls: Characterization and usefulness for classification of sex. Auk 118 (2001) 1095-1101
112. Hoelzel A.R. Song characteristics and response to playback of male and female Robins Erithacus rubecula. Ibis 128 (1986) 115-127
113. Holloway C.C., and Clayton D.F. Estrogen synthesis in the male brain triggers development of the avian song control pathway in-vitro. Nat. Neurosci. 4 (2001) 170-175
114. Hutchison J.B., and Steimer T. Androgen metabolism in the brain: Behavioural correlates. In: de Vries G.J., de Bruin J.P.C., Uylings H.B.M., and Corner M.A. (Eds). "Sex Differences in the Brain" Vol. 61 (1984), Elsevier Science, Amsterdam 23-51
115. Hutchison J.B., Wingfield J.C., and Hutchison R.E. Sex differences in plasma concentration of steroids during the sensitive period for brain differentiation in the zebra finch. J. Endocrinol. 103 (1984) 363-369
116. Immelmann K. Song development in the zebra finch and other estrildid finches. In: Hind R.A. (Ed). "Bird Vocalizations" (1969), Cambridge University Press, London 61-74
117. Jacobs E.C., Arnold A.P., and Campagnoni A.T. Developmental regulation of the distribution of aromatase- and estrogen-receptor-mRNA-expressing cells in the zebra finch brain. Dev. Neurosci. 21 (1999) 453-472
118. Jansen R., Metzdorf R., Roest M., Ter Maat A., and Gahr M. Melatonin-dependent song pattern of adult male zebra finches. FASEB J. 19 (2005) 848-850
119. Jarvis E.D., and Mello C.V. Molecular mapping of brain areas involved in parrot vocal communication. J. Comp. Neurol. 419 (2000) 1-31
120. Jarvis E.D., Ribeiro S., da Silva M.L., Ventura D., Vielliard J., and Mello C.V. Behaviourally driven gene expression reveals song nuclei in hummingbird brain. Nature 406 (2000) 628-632
121. Kasumovic M.M., Ratcliffe L.M., and Boag P.T. Song structure may differ between male and female least flycatchers. Wilson Bull. 115 (2003) 241-245
122. Kern M.D., and King J.R. Testosterone-induced singing in female white-crowned sparrows. Condor 74 (1972) 204-209
123. Ketterson E.D., Nolan Jr. V., Wolf L., Ziegenfus C., Dufty A.M., Ball G.F., and Johnsen T.S. Testosterone and avian life histories: Effects of experimentally elevated testosterone on behavior and correlates of fitness in the dark-eyed junco (Junco hyemalis). Am. Nat. 140 (1992) 980-999
124. Kim Y., Stumpf W.E., Sar M., and Martinez-Vargas M.C. Estrogen and androgen target cells in the brain of fishes, reptiles and birds: Phylogeny and ontogeny. Am. Zool. 18 (1978) 425-433
125. Kim Y.H., Perlman W.R., and Arnold A.P. Expression of androgen receptor mRNA in zebra finch song system: Developmental regulation by estrogen. J. Comp. Neurol. 469 (2004) 535-547
126. Kirn J.R., and DeVoogd T.J. Genesis and death of vocal control neurons during sexual differentiation in the zebra finch. J. Neurosci. 9 (1989) 3176-3187
127. Kirn J.R., Clower R.P., Kroodsma D.E., and DeVoogd T.J. Song related brain regions in the red-winged blackbird are affected by sex and season but not repertoire size. J. Neurobiol. 20 (1989) 139-163
128. Kling J.W., and Stevenson-Hinde J. Development of song and reinforcing effects of song in female chaffinches. Anim. Behav. 25 (1977) 215-220
129. Konishi M. The role of auditory feedback in the control of vocalization in the white-crowned sparrow. Z. Tierpsychol. 22 (1965) 770-783
130. Konishi M., and Akutagawa E. Androgen increases protein-synthesis within the avian brain vocal control-system. Brain Res. 222 (1981) 442-446
131. Konishi M., and Akutagawa E. Neuronal growth, atrophy and death in a sexually dimorphic song nucleus in the zebra finch brain. Nature 315 (1985) 145-147
132. Konishi M., and Akutagawa E. Hormonal control of cell death in a sexually dimorphic song nucleus in the zebra finch. "Selective Neuronal Death Ciba Foundation Symposium 126," (1987), John Wiley and Sons, New York 173-185
133. Konishi M., and Akutagawa E. A critical period for estrogen action on neurons of the song control system in the zebra finch. Proc. Natl. Acad. Sci. USA 85 (1988) 7006-7007
134. Kreutzer M., and Vallet E. Differences in the response of captive female canaries to variation in conspecific and heterospecific songs. Behaviour 117 (1991) 106-116
135. Kroodsma D.E. Development and use of two song forms by the Eastern Phoebe. Wilson Bull. 97 (1985) 21-29
136. Langmore N.E., and Davies N.B. Female dunnocks use vocalizations to compete for males. Anim. Behav. 53 (1997) 881-890
137. Langmore N.E., Davies N.B., Hatchwell B.J., and Hartley I.R. Female song attracts males in the alpine accentor Prunella collaris. Proc. R. Soc. Lond. B 263 (1996) 141-146
138. Langmore N.E., Cockrem J.F., and Candy E.J. Competition for male reproductive investments elevates testosterone levels in female dunnocks, Prunella modularis. Proc. R. Soc. Lond. B 269 (2002) 2473-2478
139. Leitner S., and Catchpole C. Female canaries that respond and discriminate more between male songs of different quality have a larger song control nucleus (HVC) in the brain. J. Neurobiol. 52 (2002) 294-301
140. Leitner S., and Catchpole C. Syllable repertoire and the size of the song control system in captive canaries (Serinus canaria). J. Neurobiol. 60 (2004) 21-27
141. Leitner S., Voigt C., Garcia-Segura L.M., Van't Hof T., and Gahr M. Seasonal activation and inactivation of song motor memories in free living canaries is not reflected in neuroanatomical changes of forebrain song areas. Horm. Behav. 40 (2001) 160-168
142. Leitner S., Nicholson J., Leisler B., DeVoogd T.J., and Catchpole C.K. Song and the song control pathway in the brain can develop independently of exposure to song in the sedge warbler. Proc. R. Soc. Lond. B 269 (2002) 2519-2524
143. Leonard S.L. Induction of singing in female canaries by injections of male hormone. Proc. Soc. Exp. Biol. 21 (1939) 229-230
144. Leonardo A., and Konishi M. Decrystallization of adult birdsong by perturbation of auditory feedback. Nature 399 (1999) 466-470
145. Lisciotto C.A., and Morell J.I. Circulating gonadal steroid hormones regulate estrogen receptor mRNA in the male rat forebrain. Brain Res. 20 (1993) 79-90
146. Livingston F., and Mooney R. Androgens and isolation from adult tutors differentially affect the development of songbird neurons critical to vocal plasticity. J. Neurophysiol. 85 (2001) 34-42
147. Lohmann R., and Gahr R. Muscle-dependent and hormone-dependent differentiation of the vocal control premotor nucleus robustus archistriatalis and the motor nucleus hypoglossus pars tracheosyringealis of the zebra finch. J. Neurobiol. 42 (2001) 220-231
148. London S.E., Monks D.A., Wade J., and Schlinger B.A. Widespread capacity for steroid synthesis in the avian brain and song system. Endocrinology 147 (2006) 5975-5987
149. MacDougall-Shackleton S.A., and Ball G.F. Comparative studies of sex differences in the song control system of songbirds. Trends Neurosci. 22 (1999) 432-436
150. MacDougall-Shackleton S.A., Ball G.F., Edmonds E., Sul R., and Hahn T.P. Age- and sex-related variation in song-control regions in Cassin's finches, Carpodacus cassinii. Brain Behav. Evol. 65 (2005) 262-267
151. Madge S., and McGowan P. "Pheassants, Partrigdes and Grouse." (2002), Princeton University Press, New Jersey
152. Maney D.L., Bernard D.J., and Ball G.F. Gonadal steroid receptor mRNA in catecholaminergic nuclei of the canary brainstem. Neurosci. Lett. 311 (2001) 189-192
153. Maney D.L., Cho E., and Goode C.T. Estrogen-dependent selectivity of genomic responses to birdsong. Eur. J. Neurosci. 23 (2006) 1523-1529
154. Marler P. Song-learning behavior: The interface with neuroethology. Trends Neurosci. 14 (1991) 199-206
155. Marler P. Three models of song learning: Evidence from behavior. J. Neurobiol. 33 (1997) 501-516
156. Marler P., Kreith M., and Willis E. An analysis of testosterone-induced crowing in young domestic cockerels. Anim. Behav. 10 (1962) 48-54
157. McEwen B.S. How do sex and stress hormones affect nerve cells?. Ann. N. Y. Acad. Sci. 743 (1994) 1-18
158. Mennill D.J., and Vehrencamp S.L. Sex differences in singing and duetting behavior of neotropical rufous-and-white wrens (Thryothorus rufalbus). Auk 122 (2005) 175-186
159. Metzdorf R., Gahr M., and Fusani L. Distribution of aromatase, estrogen receptor, and androgen receptor mRNA in the forebrain of songbirds and nonsongbirds. J. Comp. Neurol. 407 (1999) 115-129
160. Mooney R. Synaptic basis for developmental plasticity in a birdsong nucleus. J. Neurosci. 12 (1992) 2464-2477
161. Mooney R., and Rao M. Waiting periods versus early innervation: The development of axonal connections on the zebra finch song system. J. Neurosci. 14 (1994) 6532-6543
162. Morton E.S. The effects of distance and isolation on song-type sharing in the Carolina wren. Wilson Bull. 99 (1987) 601-610
163. Nastiuk K.L., and Clayton D.F. The canary androgen receptor mRNA is localized in the song control nuclei of the brain and is rapidly regulated by testosterone. J. Neurobiol. 26 (1995) 213-224
164. Nealen P.M. An interspecific comparison using immunofluorescence reveals that synapse density in the avian song system is related to sex but not to male song repertoire size. Brain Res. 1032 1-2 (2005) 50-62
165. Nealen P.M., and Perkel D.J. Sexual Dimorphism in the Song System of the Carolina Wren Thryothorus ludovicianus. J. Comp. Neurol. 418 (2000) 346-360
166. Nespor A.A., Lukazewicz M.J., Dooling R.J., and Ball G.F. Testosterone induction of male-like vocalizations in female budgerigars (Melopsittacus undulatus). Horm. Behav. 30 (1996) 162-169
167. Noble G.K., and Wurm M. The effect of testosterone propionate on the black-crowned night heron. Endocrinology 26 (1940) 837-850
168. Nottebohm F. Testosterone triggers growth of brain vocal control nuclei in adult female canaries. Brain Res. 189 (1980) 429-436
169. Nottebohm F. A brain for all seasons: Cyclical anatomical changes in song control nuclei of the canary brain. Science 214 (1981) 1368-1370
170. Nottebohm F., and Arnold A.P. Sexual dimorphism in vocal control areas of the songbird brain. Science 194 (1976) 211-213
171. Nottebohm F., Stokes T.M., and Leonard C.M. Central control of song in the canary, Serinus canaria. J. Comp. Neurol. 165 (1976) 457-486
172. Nottebohm F., Kasparian S., and Pandazis C. Brain space for a learned task. Brain Res. 213 (1981) 99-109
173. Nottebohm F., Nottebohm M.E., and Crane L.A. Development and seasonal changes in canary song and their relation to changes in the anatomy of song control nuclei. Behav. Neural. Biol. 46 (1986) 445-471
174. Panzica G., Viglietti-Panzica C., and Balthazart J. Sexual dimorphism in the neuronal circuits of the quail preoptic and limbic regions. Microsc. Res. Tech. 54 (2001) 364-374
175. Perlman W.R., Ramachandran B., and Arnold A.P. Expression of androgen receptor mRNA in the late embryonic and early posthatch zebra finch brain. J. Comp. Neurol. 455 (2003) 513-530
176. Pesch A., and Güttinger H.R. Der Gesang des weiblichen Kanarienvogels. J. Ornithol. 126 (1985) 108-110
177. Peterson R.S., Yarram L., Schlinger B.A., and Saldanha C.J. Aromatase is pre-synaptic and sexually dimorphic in the adult zebra finch brain. Proc. Biol. Sci. 272 (2005) 2089-2096
178. Pfaff D.W. "Estrogens and Brain Function." (1980), Springer Verlag, New York
179. Pinaud R., Fortes A.F., Lovell P., and Mello C.V. Calbindin-positive neurons reveal a sexual dimorphism within the songbird analogue of the mammalian auditory cortex. J. Neurobiol. 66 (2006) 182-195
180. Podos J., Huber S.K., and Taft B. Bird song: The interface of evolution and mechanism. Ann. Rev. Ecol. Syst. 35 (2004) 55-87
181. Pohl-Apel G. The correlation between the degree of brain masculinization and song quality in estradiol treated female zebra finches. Brain Res. 336 (1985) 381-383
182. Rasika S., Alvarez-Buylla A., and Nottebohm F. BDNF mediates the effects of testosterone on the survival of new neurons in an adult brain. Neuron 22 (1999) 53-62
183. Reeves B.J., Beecher M.D., and Brenowitz E.A. Seasonal changes in avian song control circuits do not cause seasonal changes in song discrimination in song sparrows. J. Neurobiol. 57 (2003) 119-129
184. Ritchison G. Variation in the songs of female black-headed grosbeaks. Wilson Bull. 97 (1983) 47-56
185. Riters L.V., and Ball G.F. Lesions to the medial preoptic area affect singing in the male European starling (Sturnus vulgaris). Horm. Behav. 36 (1999) 276-286
186. Robisson P. Vocalizations in Aptenodytes penguins: Application of the two-voice theory. Auk 109 (1992) 654-658
187. Rowe L., and Houle D. The lek paradox and the capture of genetic variance by condition dependent traits. Proc. R. Soc. Lond. B Biol. Sci. 263 (1996) 1215-1421
188. Rybak F., and Gahr M. Modulation by steroid hormones of a "sexy" acoustic signal in an Oscine species, the Common Canary Serinus canaria. An. Acad. Bras. Cienc. 76 (2004) 365-367
189. Sakaguchi H. Sex differences in the developmental changes of GABergic neurons in zebra finch song control nuclei. Exp. Brain Res. 108 (1996) 62-68
190. Sakaguchi H., Li R., and Taniguchi I. Sex differences in the ventral paleostriatum of the zebra finch: Origin of the cholinergic innervation of the song control nuclei. Neuroreport 11 (2000) 2727-2731
191. Saldanha C.J., Schultz J.D., London S.E., and Schlinger B.A. Telencephalic aromatase but not a song circuit in a suboscine passerine, the golden collared manakin (Manacus vitellinus). Brain Behav. Evol. 56 (2000) 29-37
192. Saldanha C.J., Tuerek M.J., Kim Y.-H., Fernandes A.O., Arnold A.P., and Schlinger B.A. Distribution and regulation of telencephalic aromatase expression in the zebra finch revealed with a specific antibody. J. Comp. Neurol. 423 (2000) 619-630
193. Saino N., and Moller A.P. Testosterone correlates of mate guarding, singing and aggressive behavior in male barn swallows, Hirundo rustica. Anim. Behav. 49 (1995) 465-472
194. Scharff C., and Nottebohm F. A comparative study of the behavioral deficits following lesions of various parts of the zebra finch song system: Implications for vocal learning. J. Neurosci. 11 (1991) 2896-2913
195. Scharff C., Kirn J.R., Grossman M., Macklis J.D., and Nottebohm F. Targeted neuronal death affects neuronal replacement and vocal behavior in adult songbirds. Neuron 25 (2000) 481-492
196. Schlinger B.A., and Arnold A.P. Brain is the major site of estrogen synthesis in a male songbird. Proc. Natl. Acad. Sci. USA 88 (1991) 2191-2194
197. Schlinger B.A., and Arnold A.P. Plasma sex steroids and tissue aromatization in hatchling zebra finches: Implications for the sexual differentiation of singing behavior. Endocrinology 130 (1992) 289-299
198. Scholz B., Kultima K., Mattsson A., Axelson J., Brunström B., Halldin K., Stigson M., and Dencker L. Sex-dependent gene expression in early brain development of chicken embryos. BMC Neuroscience 7 (2006) 12 doi:10. 1186/1471-2202-7-12
199. Searcy W.A., and Yasukawa K. Song and female choice. In: Kroodsma D.E., and Miller E.H. (Eds). "Ecology and Evolution of Acoustic Communication in Birds" (1996), Cornell University Press, New York 454-473
200. Seibt U., Wickler W., Kleindienst H.-R., and Sonnenschein E. Structure, geography and origin of dialects in the traditive song of the forest weaver Ploceus bicolor sclateri in Natal, S. Africa. Behaviour 139 (2002) 1237-1265
201. Shoemaker H.H. Effect of testosterone prorionate on behavior of the female canary. Proc. Soc. Exp. Biol. Med. 41 (1939) 299-302
202. Simpson H.B., and Vicario D.S. Brain pathways for learned and unlearned vocalizations differ in zebra finches. J. Neurosci. 10 (1990) 1541-1556
203. Simpson H.B., and Vicario D.S. Early estrogen treatment of female zebra finches masculinizes the brain pathway for learned vocalizations. J. Neurobiol. 22 (1991) 777-793
204. Soma M., Takahashi H., Hasegawa T., and Okanoya K. Trade-offs and correlations among multiple song features in the Bengalese finch. Ornithol. Sci. 5 (1994) 77-84
205. Striedter G.F. The vocal control pathways in budgerigars differ from those in songbirds. J. Comp. Neurol. 343 (1994) 35-36
206. Takahashi M.M., and Noumura T. Sexually dimorphic and laterally asymmetric development of the embryonic duck syrinx: Effect of estrogen on in vitro cell proliferation and chrondrogenesis. Dev. Biol. 12 (1987) 417-422
207. Taoka M., Sata T., Kamada T., and Okumara H. Sexual dimorphism of chatter-calls and vocal recognition in Leach's Storm Petrels (Oeanodroma leucorhoa). Auk 106 (1989) 498-501
208. Terkel A.S., Moore C.L., and Beer C.G. The Effects of Testosterone and Estrogen on the rate of long-calling vocalization in juvenile laughing gulls, Larus atricilla. Horm. Behav. 7 (1976) 49-57
209. Tobari Y., Nakamura K.Z., and Okanoya K. Sex differences in the telencephalic song control circuitry in Bengalese Finches (Lonchura striata var. domestica). Zool. Sci. 22 (2005) 1089-1094
210. Todt D., Hultsch H., and Duvall II E.P. Behavioural significance and social function of vocal and non-vocal displays in the monogamous duet-singer Cossypha heuglini H. Zool. Beitr. 27 (1981) 426-428
211. Tramontin A.D., and Brenowitz E.A. Seasonal plasticity in the adult brain. Trends Neurosci. 23 (2000) 251-258
212. Tramontin A.D., Wingfield J.C., and Brenowitz E.A. Contributions of social cues and photoperiod to seasonal plasticity in the adult avian song control system. J. Neurosci. 19 (1999) 476-483
213. Tramontin A.D., Wingfield J.C., and Brenowitz E.A. Androgens and estrogens induce seasonal-like growth of song nuclei in the adult songbird brain. J. Neurobiol. 57 (2003) 130-140
214. Vates G.E., Vicario D.S., and Nottebohm F. Reafferent thalamo-cortical loops in the song system of ocince songbirds. J. Comp. Neurol. 380 (1997) 275-290
215. Vicario D.S., Naqvi N.H., and Raksin J.N. Behavioral discrimination of sexually dimorphic calls by male zebra finches requires an intact vocal motor pathway. J. Neurobiol. 47 (2001) 109-120
216. Voigt C., Leitner S., and Gahr M. Repertoire and structure of duet and solo songs in cooperatively breeding white-browed sparrow weavers. Behaviour 143 (2006) 159-182
217. Vu E., Mazurek E., and Kuo K. Identification of a forebrain motor programming network for the learned song of zebra finches. J. Neurosci. 14 (1994) 6924-6934
218. Wade J., Tang Y.P., Peabody C., and Templeman R.J. Enhanced gene expression in the forebrain of hatchling and juvenile male zebra finches. J. Neurobiol. 64 (2005) 224-238
219. Ward B.C., Nordeen E.J., and Nordeen K.W. Individual variation in neuron number predicts differences in the propensity for avian vocal imitation. Proc. Natl. Acad. Sci. USA 95 (1998) 1277-1282
220. Weatherhead P.J., Metz K.J., Bennett G.F., and Irwin R.E. Parasite faunas, testosterone and secondary sexual traits in male red-winged blackbirds. Behav. Ecol. Sociobiol. 33 (1993) 13-23
221. Weichel K., Heid P., and Güttinger H.-R. 17β-Estradiolbenzoate-dependent song induction in juvenile female canaries (Serinus canaria). Ethology 80 (1989) 55-70
222. Wennstrom K.L., Reeves B.J., and Brenowitz E.A. Testosterone treatment increases the metabolic capacity of adult avian song control nuclei. J. Neurobiol. 48 (2001) 256-264
223. Wickler W., and Seibt U. Vocal dueting and the pair bond. II. Unisono dueting of the African forest weaver, Symplectes bicolor. Z. Tierpsychol. 52 (1980) 217-226
224. Wickler W., and Seibt U. Gender dialects: A new phenomenon from birdsong epigenesis. Naturwissenschaften 75 (1988) 51-52
225. Wickler W., and Sonnenschein E. Ontogeny of song in captive duet-singing slate-coloured boubous (Lanarius funebris). Behaviour 111 (1989) 220-233
226. Wild J.M. Neural pathways for the control of birdsong production. J. Neurobiol. 33 (1997) 653-670
227. Wild J.M., Li D., and Eagleton C. Projections of the dorsomedial nucleus of the intercollicular complex (DM) in relation to respiratory-vocal nuclei in the brainstem of the pigeon (Columba livia) and zebra finch (Taeniopygia guttata). J. Comp. Neurol. 377 (1997) 392-423
228. Williams L., and Mac Roberts M.K. Song variation in dark-eyed juncos in Nova Scotia. Condor 80 (1970) 237-240
229. Wilson J.A., and Glick B. Ontogeny of mating behavior in the chicken. Am. J. Physiol. 218 (1970) 951-955
230. Yamaguchi A. Sex differences in vocal learning birds. Nature 411 (2001) 257-258
231. Yu A.C., Dave A.S., and Margoliash D. Temporal hierarchical control of singing in birds. Science 273 (1996) 1871-1875