Elevational variation in body size of Crested Ducks (Lophonetta Specularioides) from the central high Andes, Mendoza, and Patagonia

Ornitologia Neotropical

Volumn 18, Issue 4, 2007, Pages 587-602

  Bulgarella, Mariana ^a   Wilson, Robert E ^a   Kopuchian, Cecilia ^b   Valqui, Thomas H ^c,d   McCracken, Kevin G ^a  

^a UNIVERSITY OF ALASKA FAIRBANKS   (United States)

^b MUSEO ARGENTINO DE CIENCIAS NATURALES BERNARDINO RIVADAVIA   (Argentina)

^c CENTRO DE ORNITOLOGÍA Y BIODIVERSIDAD CORBIDI   (Peru)

^d LOUISIANA STATE UNIVERSITY   (United States)

Author keywords

Andes; Crested Duck; Elevation; Geographic variation; Lophonetta specularioides; Morphology; Patagonia

Indexed keywords

EID: 37649012135     PISSN: 10754377     EISSN: None     Source Type: Journal    
DOI: None     Document Type: Article

References (37)

1. Aldrich, J. W., & F. C. James. 1991. Ecogeographic variation in the American Robin (Turdus migratorius). Auk 108: 230-249.
2. Allen, J. A. 1877. The influence of physical conditions in the genesis of species. Rad. Rev. 1: 108-140.
3. Ashton, K. G. 2002. Patterns of within-species body size variation of birds: strong evidence for Bergmann's rule. Glob. Ecol. Biogeogr. 11: 505-523.
4. Bergmann, C. 1847. Über die verhältnisse der Wärmeökonomie der thiere zu ihrer grosse. Gött. Studien 1: 595-708.
5. Delacour, J. 1954. The waterfowl of the world. Arco Publishing Company, Inc. New York, New York.
6. Encyclopedia Britannica 2006. Patagonia. Encyclopedia Britannica online. 1 Sept. 2006. http://www.britannica.com/eb/article-41675.
7. Gould, S. J., & R. F. Johnston. 1972. Geographic variation. Ann. Rev. Ecol. Syst. 3: 457-498.
8. Hopkins, S. R., & F. L. Powell. 2001. Common themes of adaptation to hypoxia. Insights from comparative physiology. Adv. Exp. Med. Biol. 502: 153-167.
9. James, F. C. 1970. Geographic size variation in birds and its relationship to climate. Ecology 51: 365-390.
10. James, F. C. 1991. Complementary descriptive and experimental studies of clinal variation on birds. Am. Zool. 31: 694-706.
11. Johnsgard, P. A. 1978. Ducks, geese, and swans of the world. Univ. of Nebraska Press, Lincoln, Nebraska.
12. Kaiser, H. F. 1960. The application of electronic computers to factor analysis. Educ. Psych. Measurement 20: 141-151.
13. Lindsey, C. D. 1966. Body sizes of poikilotherm vertebrates at different latitudes. Evolution 20: 456-465.
14. Mayr, E. 1942. Systematics and the origin of species. Columbia, New York, New York.
15. Mayr, E. 1963. Animal species and evolution. Belknap Press, Cambridge, Massachusetts.
16. Meiri, S., & T. Dayan. 2003. On the validity of Bergmann's rule. J. Biogeogr. 30: 331-351.
17. Milken, V., S. K. Lyons, L. Olson, F. A. Smith, A. B. Wilson, & Y. Yom-Tov. 2006. Ecotypic variation in the context of global climate change: revisiting the rules. Ecol. Lett. 9: 853-869.
18. McNab, B. K. 1971. On the ecological significance of Bergmann's rule. Ecology 52: 845-854.
19. Navas, J. R., & N. A. Bo. 1998. The geographical distribution of the subspecies of Lophonetta specularoides and Merganetta armatta (Anatidae) in the provinces of Mendoza and San Juan, Argentina. Hornero 15: 57-59.
20. Niles, D. M. 1973. Adaptive variation in body size and skeletal proportions of Horned Larks of the southwestern United States. Evolution 27: 405-426.
21. Phillips, J. C. 1922-1926. A natural history of the ducks. Houghton Mifflin, Boston, Massachusetts.
22. Power, D. M. 1970. Geographic variation in the surface/volume ratio of the bill of Red-winged Blackbirds in relation to certain geographic and climatic factors. Condor 72: 299-304.
23. Rand, A. L. 1936. Results of the Archbold expeditions No. 12. Altitudinal variation in New Guinea birds. Am. Mus. Nov. 890: 1-14.
24. Randall, D., W. Burggren, & K. French. 2002. Eckert animal physiology. Mechanisms and adaptations. Freeman & Co., New York, New York.
25. Ray, C. 1960. The application of Bergmann and Allen's rules to the poikilotherms. J. Morphol. 106: 85-108.
26. Remsen, J. V., Jr. 1984. High incidence of "leap-frog" pattern of geographic variation in Andean birds: Implications for the speciation process. Science 24: 171-173.
27. Scholander, P. F. 1955. Evolution of climatic adaptation in homeotherms. Evolution 9: 15-26.
28. nd ed. Freeman and Co., San Francisco, California.
29. Snow, D. W. 1954a. Trends in geographical variation in paleartic members of the genus Parus. Evolution 8: 19-28.
30. Snow, D. W. 1954b. Climate and geographical variation in birds. New Biol. 25: 56-84.
31. Sokal, R. R. 1965. Statistical methods in systematics. Biol. Rev. 40: 337-391.
32. Sokal, R. R., & J. F. J. Rohlf. 1969. Biometry. Freeman and Co., San Francisco, California.
33. StatSoft. 1995. Statistica 6.0 for Windows. StatSoft, Tulsa, Oklahoma.
34. Traylor, M. A. 1950. Altitudinal variation in Bolivian birds. Condor 52: 123-126.
35. Weatherbase. 2007. Weatherbase online: www.weatherbase.com. Accessed 28 January 2007.
36. Wigginton, J. D., & F. S. Dobson 1999. Environmental influences on geographic variation in body size of western bobcats. Can. J. Zool. 77: 802-813.
37. Young, G. 2005. Crested Duck Lophonetta specularioides. Pp. 484-486 in Kear J. (ed.). Ducks, geese and swans. Volume 2. Oxford Univ. Press, New York, New York.