Avian population survey in the Floreana highlands: Is Darwin's Medium Tree Finch declining in remnant patches of Scalesia forest?

Bird Conservation International

Volumn 20, Issue 4, 2010, Pages 343-353

  O'Connor, Jody A ^a   Sulloway, Frank J ^b   Kleindorfer, Sonia ^a  

^a FLINDERS UNIVERSITY   (Australia)

^b UNIVERSITY OF CALIFORNIA   (United States)

Author keywords

[No Author keywords available]

Indexed keywords

CONSERVATION STATUS; ENDANGERED SPECIES; EXTINCTION RISK; MINIMUM VIABLE POPULATION; PASSERINE; POPULATION DENSITY; POPULATION ESTIMATION; SPECIES CONSERVATION; VULNERABILITY;

ECUADOR; FLOREANA; GALAPAGOS ISLANDS;

AVES; CAMARHYNCHUS PAUPER; FRINGILLIDAE; PHILORNIS; PSITTACIDAE; SCALESIA;

EID: 79952991510     PISSN: 09592709     EISSN: 14740001     Source Type: Journal    
DOI: 10.1017/S0959270910000195     Document Type: Article

References (42)

1. Baskin, Y. (2002) A plague of rats and rubber vines: The growing threat of species invasions. Washington DC: Island Press.
2. Bennett, P. M. and Owens, I. P. F. (1997) Variation in extinction risk among birds: chance or evolutionary predisposition? Proc. R. Soc. Lond. B. 264: 401-408.
3. Bennett, P. M. and Owens, I. P. F. (2002) Evolutionary ecology of birds: Life history, mating system and extinction. New York: Oxford University Press.
4. Benning, T. L., Lapointe, D., Atkinson, C. T. and Vitousek, P. M. (2002) Interactions of climate change with biological invasions and land use in the Hawaiian Islands: Modeling the fate of endemic birds using geographic information system. Proc. Natl. Acad. Sci. USA 99: 14246-14249. (Pubitemid 35257657)
5. BirdLife International. (2009a). Important Bird Area factsheet: Isla Floreana, Ecuador. Downloaded from the Data Zone at http://www.birdlife.org on 15/5/2009
6. BirdLife International. (2009b). Species factsheet: Camarhynchus pauper. Downloaded from http://www.birdlife.org on 15/5/2009
7. Boada, R. (2005) Insects associated with endangered plants in the Gálapagos Islands, Ecuador. Entomotropica 20: 77-88.
8. Causton, C. E., Peck, S. B., Sinclair, B. J., Roque-Albelo, L., Hodgson, C. J. and Landry, B. (2006) Alien insects: threats and implications for the conservation of the Galápagos Islands. Ann. Entomol. Soc. Am. 99: 121-143. (Pubitemid 43159749)
9. Christensen, R. and Kleindorfer, S. (2008) Jack-of-all- tradesormasterofone? Variation in foraging specialisation across years in Darwin's Tree Finches (Camarhynchus spp.). J. Ornithol. doi:10.1007/s10336-008- 0358-y.
10. Curry, R. L. (1986) Whatever happened to the Floreana Mockingbird? Not. Galáp. 43: 13-15.
11. Dudaniec, R. Y., Fessl, B. and Kleindorfer, S. (2007) Interannual and interspecific variation on intensity of the parasitic fly, Philornis downsi, in Darwin's finches. Biol. Conserv. 139: 325-332. (Pubitemid 47384699)
12. Dudaniec, R. Y., Kleindorfer, S. and Fessl, B. (2006) Effects of the introduced ectoparasite Philornis downsi on haemoglobin level and nestling survival in Darwin's small ground finch (Geospiza fuliginosa). Austral Ecol. 31: 88-94. (Pubitemid 43356428)
13. Eibl-Eibesfeldt, I. (1959) Survey of the Galápagos Islands. Paris: UNESCO (UNESCO Missions Report No. 8).
14. Fessl, B., Kleindorfer, S. and Tebbich, S. (2006a) An experimental study on the effects of an introduced parasite in Darwin's finches. Biol. Conserv. 127: 55-61. (Pubitemid 41560940)
15. Fessl, B., Sinclair, B. J. and Kleindorfer, S. (2006b) The life cycle of Philornis downsi (Diptera: Muscidae) parasitizing Darwin's finches and its impacts on nestling survival. Parasitology 133: 739-747. (Pubitemid 44763970)
16. Fessl, B. and Tebbich, S. (2002) Philornis downsi - a recently discovered parasite on the Galapagos archipelago - a threat for Darwin's finches? Ibis 144: 445-451. (Pubitemid 34780729)
17. Galligan, T. H. and Kleindorfer, S. (2009) Naris and beak malformation caused by the parasitic fly, Philornis downsi (Diptera: Muscidae), in Darwin's small ground finch, Geospiza fuliginosa (Passeriformes: Emberizidae). Biol. J. Linn. Soc. 98: 577-585.
18. Grant, P. R. (1999) Ecology and evolution of Darwin's finches. Princeton: Princeton University Press.
19. Grant, P. R., Grant, B. R., Petren, K. and Keller, L. F. (2005) Extinction behind our backs: the possible fate of one of the Darwin's finch species on Isla Floreana, Galápagos. Biol. Conserv. 122: 499-503. (Pubitemid 39568657)
20. Hale, K. A. and Briskie, J. V. (2009) Rapid recovery of an island population of the threatened South Island Saddleback Philesturnus c. carunculatus after a pathogen outbreak. Bird Conserv. Internatn. 19: 239-253.
21. Holmes, R. T. and Sherry, T. W. (2001) Thirty-year bird population trends in an unfragmented temperate deciduous forest: Importance of habitat change. Auk. 118: 589-609. (Pubitemid 32908236)
22. Johnson, T. H. and Stattersfield, A. J. (1990) A global review of island endemic birds. Ibis 132: 167-180. (Pubitemid 20427361)
23. Kleindorfer, S. (2007) Nesting success in Darwin's small tree finch (Camarhynchus parvulus): Evidence of female preference for older males and more concealed nests. Anim. Behav. 74: 795-804. (Pubitemid 47538524)
24. Kleindorfer, S. & Dudaniec, R. Y. (2006) Increasing prevalence of avian poxvirus in Darwin's finches and its effect on male pairing success. Journal of Avian Biology 37: 69-76.
25. Kleindorfer, S., Chapman, T. W., Winkler, H. and Sulloway, F. J. (2006) Adaptive divergence in contiguous populations of Darwin's small ground finch (Geospiza fuliginosa). Evol. Ecol. Res. 8: 357-372.
26. Kleindorfer, S. and Mitchell, J. G. (2009) Biological networks: Rainforests, coral reefs and the Galapagos Islands. Pp. 85-104 in P. R. Kleindorfer and J. Wind, eds. Network challenge: the strategy, profit, and risk in an interlinked world. Pennsylvania, US: Wharton School Publishing.
27. Kleindorfer, S., Sulloway, F. J. and O'Connor, J. (2009) Mixed species nesting associations in Darwin's tree finches: Nesting pattern predicts breeding performance. Biol. J. Linn. Soc. 98: 313-324.
28. Lack, D. (1947) Darwin's finches. Cambridge, UK: Cambridge University Press.
29. Martin, T. E., Paine, C. R., Conway, C. J., Hochachka, W. M., Allen, P. and Jenkins, W. (1997) BBIRD field protocol. Missoula, Montana, USA: University of Montana Cooperative Wildlife Research Unit, US Geological Survey.
30. Mauchamp, A. (1997) Threats from alien species in the Galápagos Islands. Conserv. Biol. 11: 260-263. (Pubitemid 27167596)
31. O'Connor, J. A., Robertson, J. and Kleindorfer, S. (in press) Video analysis of hostparasite interactions in Darwin's finch nests. Oryx
32. O'Connor, J. A., Sulloway, F. J., Robertson, J. and Kleindorfer, S. (2010) Philornis downsi parasitism is the primary cause of nestling mortality in the critically endangered Darwin's medium tree finch (Camarhynchus pauper). Biodivers. Conserv. 19: 853-866.
33. Reynolds, R. T., Scott, J. M. and Nussbaum, R. A. (1980) A variable circular plot method for estimating bird numbers. Condor 82: 309-313.
34. Roth, R. R. and Johnson, R. K. (1993) Long-term dynamics of a wood thrush population breeding in a forest fragment. Auk 110: 37-48.
35. Savidge, J. A. (1987) Extinction of an island forest avifauna by an introduced snake. Ecology 68: 660-668.
36. Simberloff, D. (1995) Habitat fragmentation and population extinction of birds. Ibis 137: 105-111.
37. Somershoe, S. G., Twedt, D. J. and Reid, B. (2006) Combining breeding bird survey and distance sampling to estimate density of migrant and breeding birds. Condor 108: 691-699 (Pubitemid 44300009)
38. Steadman, D. (1986) Holocene vertebrate fossils from Isla Floreana, Galápagos. Washinton DC: Smithsonian Institution Press (Smithsonian Contributions to Zoology no. 413).
39. Steadman, D. W. (1995) Prehistoric extinctions of Pacific Island birds: biodiversity meets zooarchaeology. Science 267: 1123-1131.
40. Sulloway, F. J. (1982) The Beagle collections of Darwin's finches (Geospizinae). Bull. Br. Mus. (Nat. Hist.) Zool. Ser. 43: 49-94.
41. Thomas, L., Laake, J. L., Strindberg, S., Marques, F. F. C., Buckland, S. T., Borchers, D. L., Anderson, D. R., Burnham, K. P., Hedley, S. L., Pollard, J. H., Bishop, J. R. B. and Marques, T. A. (2006) Distance 5.0 Release 2. St. Andrews, UK: Research Unit for Wildlife Population Assessment, University of St. Andrews.
42. Wiedenfeld, D. A., Jimènez, G., Fessl, B., Kleindorfer, S. and Valerezo, J. C. (2007) Distribution of the introduced parasitic fly Philornis downsi (Diptera, Muscidae) in the Galápagos Islands. Pac. Conserv. Biol. 13: 14-19. (Pubitemid 46696185)