Distribution and abundance of Darwin's finches and other land birds on Santa Cruz Island, Galápagos: Evidence for declining populations

ORYX

Volumn 46, Issue 1, 2012, Pages 78-86

  Dvorak, Michael ^a   Fessl, Birgit ^b,c   Nemeth, Erwin ^d,e   Kleindorfer, Sonia ^f   Tebbich, Sabine ^g  

^a BirdLife Austria   (Austria)

^b Charles Darwin Foundation   (Ecuador)

^c DURRELL WILDLIFE CONSERVATION TRUST   (United Kingdom)

^d KONRAD LORENZ INSTITUTE FOR ETHOLOGY   (Austria)

^e MAX PLANCK INSTITUTE FOR ORNITHOLOGY   (Germany)

^f FLINDERS UNIVERSITY   (Australia)

^g UNIVERSITY OF VIENNA   (Austria)

Author keywords

Camarhynchus; Certhidea; Darwin's finches; distance sampling; Gal pagos; Geospiza; population estimate; Santa Cruz Island

Indexed keywords

ABUNDANCE; AGRICULTURAL LAND; ANTHROPOGENIC EFFECT; ARCHIPELAGO; BIOLOGICAL SURVEY; BIRD; CONSERVATION MANAGEMENT; ENVIRONMENTAL CHANGE; HABITAT FRAGMENTATION; HUMAN ACTIVITY; HUMID ENVIRONMENT; HYPOTHESIS TESTING; INSECT; INSECTIVORE; INTRODUCED SPECIES; PARASITE; PATHOGEN; POPULATION DECLINE; POPULATION DISTRIBUTION; POPULATION ESTIMATION; SAMPLING; TEMPORAL ANALYSIS;

CALIFORNIA; CHANNEL ISLANDS [CALIFORNIA]; ECUADOR; GALAPAGOS ISLANDS; SANTA CRUZ ISLAND; UNITED STATES;

AVES; CAMARHYNCHUS; CERTHIDEA; FRINGILLIDAE; GEOSPIZA; HEXAPODA;

EID: 84857723300     PISSN: 00306053     EISSN: 13653008     Source Type: Journal    
DOI: 10.1017/S0030605311000597     Document Type: Article

References (57)

1. ANTONIAZZI, L.R., MANZOLI, D.E., ROHRMANN, D., SARAVIA, M.J., SILVESTRI, L. & BELDOMENICO, P.M. (2011) Climate variability affects the impact of parasitic flies on Argentinian forest birds. Journal of Zoology, 283, 126-134.
2. BARBOSA, A. & PALACIOS, M.-J. (2009) Health of Antarctic birds: a review of their parasites, pathogens and diseases. Polar Biology, 32, 1305-1315.
3. BATAILLE, A., CUNNINGHAM, A.A., CEDEÑO, V., PATIÑO, L.C., CONSTANTINOU, A., KRAMER, L.D. et al. (2009) Natural colonization and adaptation of a mosquito species in Galápagos and its implications for disease threats to endemic wildlife. Proceedings of the National Academy of Sciences of the United States of America, 106, 10230-10235.
4. BUCKLAND, S.T., ANDERSON, D.R., BURNHAM, K.P., LAAKE, J.L., BORCHERS, D.L. & THOMAS, L. (2001) Introduction to Distance Sampling. Oxford University Press, Oxford, UK.
5. CAMPBELL, K. & DONLAN, C.J. (2005) Feral goat eradications on islands. Conservation Biology, 19, 1362-1374. (Pubitemid 41718141)
6. CARRIÓN, V., DONLAN, C.J., CAMPBELL, K., LAVOIE, C. & CRUZ, F. (2007) Feral donkey (Equus asinus) eradications in the Galápagos. Biodiversity and Conservation, 16, 437-445. (Pubitemid 46226422)
7. CDF (2010) Charles Darwin Foundation Weather Data Base. Http://www.darwinfoundation.org/datazone/darwin-weather [accessed 4 July 2010].
8. CRAMP, R.J., PRATT, T.K., MARSHALL, A.P., AMIDON, F. & WI L L IAMS, L.L. (2009) Recent status and trends of the land bird avifauna on Saipan, Mariana islands, with emphasis on the endangered nightingale reed warbler Acrocephalus luscinia. Bird Conservation International, 19, 323-337.
9. DEEM, S.L., CRUZ, M., JIMÉNEZ-UZCÁTEGUI, G., FESSL, B., MILLER, R.E. & PARKER, P.G. (2008) Pathogens and parasites: an increasing threat to the conservation of Galapagos avifauna. In Galápagos Report 2007-2008 (ed. F.C. Darwin), pp. 125-130. Puerto Ayora, Galápagos, Ecuador.
10. DONLAN, C.J., CAMPBELL, K., CABRERA, W., LAVOIE, C., CARRIÓN, V. & CRUZ, F. (2007) Recovery of the Galápagos rail (Laterallus spilonotus) following the removal of invasive mammals. Biological Conservation, 138, 520-524. (Pubitemid 47193125)
11. DUDANIEC, R., FESSL, B. & KLEINDORFER, S. (2007) Interannual and interspecific variation in intensity of the parasitic fly, Philornis downsi, in Darwin's finches. Biological Conservation, 139, 325-332. (Pubitemid 47384699)
12. DUDANIEC, R., KLEINDORFER, S. & 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 Ecology, 31, 88-94. (Pubitemid 43356428)
13. DVORAK, M., VARGAS, H., FESSL, B. & TEBB ICH, B. (2004) On the verge of extinction: a survey of the mangrove finch Cactospiza heliobates and its habitat on the Galápagos islands. Oryx, 38, 1-9.
14. FESSL, B., COURI, M.S. & TEBBICH, S. (2001) Philornis downsi Dodge and Aitken, new to the Galápagos Islands (Diptera, Muscidae). Studia dipterologica, 8, 317-322.
15. FESSL, B., KLEINDORFER, S. & TEBBICH, S. (2006) An experimental study on the effects of an introduced parasite in Darwin's finches. Biological Conservation, 127, 55-61. (Pubitemid 41560940)
16. FESSL, B. & TEBB ICH, S. (2002) Philornis downsi - a recently discovered parasite on the Galápagos archipelago - a threat for Darwin's finches? Ibis, 144, 445-451. (Pubitemid 34780729)
17. FESSL, B., YOUNG, H.G., YOUNG, R.P., RODRIGUEZ-MATAMOROS, J., DVORAK, M., TEBBICH, S. et al. (2010) How to save the rarest Darwin's finch from extinction: the mangrove finch on Isabela Island. Philosophical Transactions of the Royal Society of London, Series B: Biological Sciences, 365, 1019-1030.
18. GONZÁLEZ, J.A., MONTES, C., RODRÍGUEZ, J. & TAPIA, W. (2008) Rethinking the Galápagos Islands as a complex social-ecological system: implications for conservation and management. Ecology and Society, 13, 13.
19. GRANT, B.R. & GRANT, P.R. (2008a) Fission and fusion of Darwin's finches. Philosophical Transactions of the Royal Society of London, Series B: Biological Sciences, 363, 2821-2829.
20. GRANT, P.R. & GRANT, B.R. (2008b) How and Why Species Multiply. The Radiation of Darwin's Finches. Princeton University Press, Princeton, USA.
21. GRANT, P.R., GRANT, R.B., PETREN, K. & KELLER, L.F. (2005) Extinction behind our backs: the possible fate of one of the Darwin's finch species on Isla Floreana, Galápagos. Biological Conservation, 122, 499-503. (Pubitemid 39568657)
22. GUERRERO, A.M. & TYE, A. (2009) Darwin's finches as seed predators and dispersers. The Wilson Journal of Ornithology, 121, 752-764.
23. HENDERSON, S. & DAWSON, T.P. (2009) Alien invasions from space observations: detecting feral goat impacts on Isla Isabela, Gala 'pagos Islands with the AVHRR. International Journal of Remote Sensing, 30, 423-433.
24. HUBER, S.K. (2008) Effects of the introduced parasite Philornis downsi on nestling growth and mortality in the medium ground finch (Geospiza fortis). Biological Conservation, 141, 601-609.
25. HUTTEL, C. (1990) Cartografía de la vegetación en las islas Galápagos. In Botanical Research and Management in the Galápagos Islands (eds J.E. Lawesson, O. Hamann, G. Rogers, G. Reck & H. Ochoa), pp. 67-78. Missouri Botanical Garden, Saint Louis, USA.
26. IUCN (2010) Red List of Threatened Species v. 2010.1. Http://www.iucnredlist.org [accessed 20 June 2010].
27. JÄGER, H., KOWARIK, I. & TYE, A. (2009) Destruction without extinction: long-term impacts of an invasive tree species on Galápagos highland vegetation. Journal of Ecology, 97, 1252-1263.
28. JÄGER, H., TYE, A. & KOWARIK, I. (2007) Tree invasion in naturally treeless environments: impacts of quinine (Cinchona pubescens) trees on native vegetation in Galápagos. Biological Conservation, 140, 297-307. (Pubitemid 350001178)
29. KLEINDORFER, S. (2007) The ecology of clutch size variation in Darwin's small ground finch Geospiza fuliginosa: comparison between lowland and highland habitats. Ibis, 149, 730-741. (Pubitemid 47556451)
30. KLEINDORFER, S., CHAPMAN, T., WINKLER, H. & SULLOWAY, F.J. (2006) Adaptive divergence in contiguous populations of Darwin's small ground finch (Geospiza fuliginosa). Evolutionary Ecology Research, 8, 357-372.
31. KLEINDORFER, S. & DUDANIEC, R. (2006) Increasing prevalence of avian poxvirus in Darwin's finches and its effect on male pairing success. Journal of Avian Biology, 37, 69-76.
32. KLEINDORFER, S. & DUDANIEC, R. (2009) Love thy neighbour? Social nesting pattern, host mass and nest size affect ectoparasite intensity in Darwin's tree finches. Behavioral Ecology and Sociobiology, 63, 731-739.
33. LEVIN, I.I., OUTLAW, D.C., VARGAS, F.H. & PARKER, P.G. (2009) Plasmodium blood parasite found in endangered Galápagos penguins (Spheniscus mendiculus). Biological Conservation, 142, 3191-3195.
34. MARSDEN, S.J. (1999) Estimation of parrot and hornbill densities using a point count distance sampling method. Ibis, 141, 377-390. (Pubitemid 29324142)
35. MARSDEN, S.J., JONES, M.J., LINSLEY, M.D., MEAD, C. & HOUNSOME, M.V. (1997) The conservation status of the restricted-range lowland birds of Buru, Indonesia. Bird Conservation International, 7, 213-233.
36. MAUCHAMP, A. & ATKINSON, R. (2011) Pérdida de hábitat rábida, reciente e irreversible: los bosques de Scalesia en las islas Gálapagos. In Informe Gálapagos 2009-10 (eds A.M. Luna, L.J. Cayot & M.V. Toral Granda), pp. 111-114. Puerto Ayora, Gálapagos, Ecuador.
37. O'CONNOR, J., DUDANIEC, R.Y. & KLEINDORFER, S. (2010a) Parasite infestation and predation in Darwin's small ground finch: contrasting two elevational habitats between islands. Journal of Tropical Ecology, 26, 285-292.
38. O'CONNOR, J., ROBERTSON, J. & KLEINDORFER, S. (2010b) Video analysis of host-parasite interactions in nests of Darwin's finches. Oryx, 44, 588-594.
39. O'CONNOR, J., SULLOWAY, F.J. & KLEINDORFER, S. (2010c) Avian population survey in the Floreana highlands: is Darwin's medium tree finch declining in remnant patches of Scalesia forest? Bird Conservation International, 20, 1-11.
40. PARENT, C.E., CACCONE, A. & PETREN, K. (2008) Colonization and diversification of Galápagos terrestrial fauna: a phylogenetic and biogeographical synthesis. Philosophical Transactions of the Royal Society of London, Series B: Biological Sciences, 363, 3347-3361.
41. PETREN, K., GRANT, B.R. & GRANT, P.R. (1999) A phylogeny of Darwin's finches based on microsatellite DNA length variation. Proceedings of the Royal Society of London, Series B: Biological Sciences, 266, 321-329. (Pubitemid 29092568)
42. PETREN, K., GRANT, P.R., GRANT, B.R. & KELLER, L.F. (2005) Comparative landscape genetics and the adaptive radiation of Darwin's finches: the role of peripheral isolation. Molecular Ecology, 14, 2943-2957.
43. RENTERÍA, J.L. & BUDDENHAGEN, C.E. (2006) Invasive plants in the Scalesia pedunculata forest at Los Gemelos, Santa Cruz, Galápagos. Noticias de Galápagos - Galápagos Research, 64, 31-35.
44. SERVICIO PARQUE NACIONAL GALÁPAGOS (2006) Plan de manejo. Parque Nacional Galapagos, Santa Cruz, Galapagos.
45. SMITH, K.F., SAX, D.F. & LAFFERTY, K.D. (2006) Evidence for the role of infectious disease in species extinction and endangerment. Conservation Biology, 20, 1349-1357. (Pubitemid 44436011)
46. STEADMAN, D.W. (1986) Holocene vertebrate fossils from Isla Floreana, Galápagos, Ecuador. Smithsonian Contributions to Zoology, I-IV, 1-104.
47. STEWART, A. (1915) Some observations concerning the botanical conditions on the Galápagos Islands. Transaction of the Wisconsin Academy of Science and Arts and Letters, 18, 272-340.
48. THIEL, T., WHITEMAN, N.K., TIRAPÉ, A., INES BAQUERO, M., CEDEÑO, V., WALSH, T. et al. (2005) Characterization of canarypox-like viruses infecting endemic birds in the Galápagos Islands. Journal of Wildlife Diseases, 41, 432-453.
49. THOMAS, L., LAAKE, J.L., STRINDBERG, S., MARQUES, F.F.C., BUCKLAND, S.T., BORCHERS, D.L. et al. (2006) User's Guide Distance 5.0 Release 2. Research Unit for Wildlife Population Assessment. University of St Andrews, St Andrews, UK.
50. VARGAS, H. (1996) What is happening with the avifauna of San Cristobal? Noticias de Galápagos, 57, 23-24.
51. WATKINS, G. & CRUZ, F. (2007) Galápagos at Risk: A Socioeconomic Analysis of the Situation in the Archipelago. Charles Darwin Foundation, Puerto Ayora, Galápagos.
52. WATSON, J., TRUEMAN, M., TUFET, M., HENDERSON, S. & ATKINSON, R. (2010) Mapping terrestrial anthropogenic degradation on the inhabited islands of the Galapagos Archipelago. Oryx, 44, 79-82.
53. WHITEMAN, N.K., GOODMAN, S.J., SINCLAIR, B.J., WALSH, T., CUNNINGHAM, A.A., KRAMER, L.D. et al. (2005) Establishment of the avian disease vector Culex quinquefasciatus Say, 1823 (Diptera: Culicidae) on the Galápagos Islands, Ecuador. Oryx, Ibis, 147, 844-847. (Pubitemid 43906503)
54. WIEDENFELD, D.A. (2006) Aves, the Galápagos Islands, Ecuador. Checklist, 2, 1-27.
55. WIEDENFELD, D.A., JIMENEZ, U., GUSTAVO, A., FESSL, B., KLEINDORFER, S. & VALAREZO, J.C. (2007) Distribution of the introduced parasitic fly Philornis downsi (Diptera, Muscidae) in the Galápagos Islands. Pacific Conservation Biology, 13, 14-19. (Pubitemid 46696185)
56. WIGGINS, I.L. & PORTER, D.M. (1971) Flora of the Galápagos Islands. Stanford University Press, Stanford, USA.
57. WIKELSKI, M., FOUFOPOULOS, J., VARGAS, H. & SNELL, H. (2004) Galápagos birds and disease: invasive pathogens as threats for island species. Ecology and Society, 9, 5.