Decline of raptors over a three-year period in Laikipia, Central Kenya

Journal of Raptor Research

Volumn 44, Issue 2, 2010, Pages 129-135

  Ogada, Darcy L ^a,c   Keesing, Felicia ^b  

^a MPALA RESEARCH CENTRE   (Kenya)

^b BARD COLLEGE   (United States)

^c INSTITUTE OF PRIMATE RESEARCH   (Kenya)

Author keywords

Africa; decline; Furadan; livestock; poisoning; raptors; vulture

Indexed keywords

ECOSYSTEM SERVICE; HERBIVORE; LIVESTOCK; POISONING; POPULATION DECLINE; POPULATION DYNAMICS; RAPTOR;

KENYA; LAIKIPIA; RIFT VALLEY;

AVES; CAPRA HIRCUS; OVIS ARIES; RAPTORES;

EID: 77953746751     PISSN: 08921016     EISSN: None     Source Type: Journal    
DOI: 10.3356/JRR-09-49.1     Document Type: Article

References (38)

1. ALLEN, D.G. 1989. Strychnine poison and the conservation of avian scavengers in the Karoo, South Africa. South African Journal of Wildlife Research 19:102-106.
2. ANDERSON, M.D. 1994. Mass African Whitebacked Vulture poisoning in the northern Cape. Vulture News 29:31-32.
3. BENSON, P.C. 2000. Causes of Cape Vulture Gyps coprotheres mortality at the Kransberg colony: a 17-year update. Pages 77-86 in R.D. Chancellor and B.-U. Meyburg [EDS.], Raptors at risk; proceedings of the V World Conference on Birds of Prey and Owls. Hancock House Publishers, Blaine, WA U.S.A. and World Working Group on Birds of Prey and Owls, Berlin, Germany.
4. BORELLO, W.D. 1985. Poisoned vultures in Botswana: known facts. Babbler 9:22-23.
5. BROWN, L. 1971. African birds of prey. Houghton Mifflin Company, Boston, MA U.S.A.
6. DEVAULT, T.L., O.E. RHODES, AND J.A. SHIVIK. 2003. Scavenging by vertebrates: behavioural, ecological, and evolutionary perspectives on an important energy transfer pathway in terrestrial ecoystems. Oikos 102:225-234.
7. FRANK, L.G., R. WOODROFFE, AND M.O. OGADA. 2005. People and predators in Laikipia District, Kenya. Pages 286-304 in R. Woodroffe, S. Thirgood, and A. Rabinowitz [EDS.], People and wildlife: conflict or coexistence? Cambridge University Press, Cambridge, U.K.
8. GEORGIADIS, N. AND G. OJWANG. 2001. Numbers and distributions of large herbivores in Laikipia, Samburu, and Isiolo districts sample count, January 22 to March 7, 2001 for The Laikipia Wildlife Forum. Laikipia Wildlife Forum Newsletter, Nov. 2001. Nanyuki, Kenya.
9. -, N. OLWERO, AND G. OJWANG. 2003. Numbers and distributions of large herbivores in Laikipia District, Leroghi, and Lewa Conservancy. Mpala Research Centre, Nanyuki, Kenya.
10. GREEN, R.E., I. NEWTON, S. SHULTZ, A.A. CUNNINGHAM, M. GILBERT, D.J. PAIN, AND V. PRAKASH. 2004. Diclofenac poisoning as a cause of vulture population declines across the Indian subcontinent. Journal of Applied Ecology 41:793-800. (Pubitemid 39348274)
11. HERHOLDT, J.J., A.C. KEMP, AND D. DU PLESSIS. 1996. Aspects of the breeding status and ecology of the Bateleur and Tawny Eagle in the Kalahari Gemsbok National Park, South Africa. Ostrich 67:126-137.
12. HERREMANS, M. AND D. HERREMANS-TONNOEYR. 2000. Land use and the conservation status of raptors in Botswana. Biological Conservation 94:31-41.
13. HOUSTON, D.C. 1974. Food searching behaviour in Griffon Vultures. East African Wildlife Journal 12:63-77.
14. - AND J.E. COOPER. 1975. The digestive tract of the Whiteback Griffon Vulture and its role in disease transmission among wild ungulates. Journal of Wildlife Diseases 11:306-313.
15. IUCN. 2009. 2009 IUCN Red List of Threatened Species. Version 2009.1. www.iucnredlist.org. (last accessed on 09 February 2009).
16. KEESING, F. 2000. Cryptic consumers and the ecology of an African savanna. BioScience 50:205-215.
17. LIVERSIDGE, R. 1984. The importance of national parks for raptor survival. Pages 589-600 in J.A. Ledger [ED.], Proceedings of the Fifth Pan-African Ornithological Congress. Southern African Ornithological Society, Johannesburg, South Africa.
18. MIJELE, D. 2009. Incidences of poisoning of vultures and lions in the Masai Mara National Reserve. Kenya Wildlife Service Masai Mara Veterinary Report. Nairobi, Kenya.
19. MINEAU, P. 2005. Direct losses of birds to pesticides-beginnings of a quantification. Pages 1066-1070 in C.J. Ralph and T.D. Rich [EDS.], Bird conservation implementation and integration in the Americas: proceedings of the Third International Partners in Flight Conference 2002. USDA Forest Service, General Technical Report PSW-GTR-191, Albany, CA U.S.A.
20. -, M.R. FLETCHER, L.C. GLASER, N.J. THOMAS, C. BRASSARD, L.K. WILSON, J.E. ELLIOTT, L.A. LYON, C.J. HENNY, T. BOLLINGER, AND S.L. PORTER. 1999. Poisoning of raptors with organophosphorus and carbamate pesticides with emphasis on Canada, the United States and the United Kingdom. Journal of Raptor Research 33:1-37.
21. NEWTON, I. 1979. Population ecology of raptors. T. and A.D. Poyser, London, U.K.
22. OAKS, J.L., M. GILBERT, M.Z. VIRANI, R.T. WATSON, C.U. METEYER, B.A. RIDEOUT, H.L. SHIVAPRASAD, S. AHMED, M.J.I. CHAUDHRY, M. ARSHAD, S. MAHMOOD, A. ALI, AND A.A. KHAN. 2004. Diclofenac residues as the cause of vulture population decline in Pakistan. Nature 427:630-633.
23. OGADA, D.L. AND P.M. KIBUTHU. 2008. Conserving Mackinder's Eagle Owls in farmlands of Kenya: assessing the influence of pesticide use, tourism and local knowledge of owl habits in protecting a culturally loathed species. Environmental Conservation 35:252-260.
24. -, M.E. GADD, R.S. OSTFELD, T.P. YOUNG, AND F. KEESING. 2008. Impacts of large herbivorous mammals on bird diversity and abundance in an African savanna. Oecologia 156:387-397.
25. OTIENO, P.O. 2009. Monitoring carbofuran residues in Laikipia and Isiolo districts in Kenya for ecological risk assessment. M.S. thesis, Department of Chemistry, Maseno University, Maseno, Kenya.
26. -, J.O. LALAH, M. VIRANI, I.O. JONDIKO, AND K.W. SCHRAMM. 2010. Soil and water contamination with carbofuran residues in agricultural farmlands in Kenya following Furadan application. Journal of Environmental Science and Health Part B 45:137-144.
27. -, -, -, -, AND -. In press a. Carbofuran and its toxic metabolites provide forensic evidence for Furadan exposure in vultures (Gyps africanus) in Kenya. Bulletin of Environmental Contamination and Toxicology.
28. -, -, -, -, AND -. In press b. Assessment of carbofuran residues for evidence of Furadan poisoning of the African White-backed Vulture (Gyps africanus) in Kenya. Bulletin of Environmental Contamination and Toxicology.
29. PAIN, D.J., A.A. CUNNINGHAM, P.F. DONALD, J.W. DUCKWORTH, D.C. HOUSTON, T. KATZNER, J. PARRY-JONES, C. POOLE, V. PRAKASH, P. ROUND, AND R. TIMMINS. 2003. Causes and effects of temporospatial declines of Gyps vultures in Asia. Conservation Biology 17:661-671.
30. PRAKASH, V., D.J. PAIN, A.A. CUNNINGHAM, P.F. DONALD, N. PRAKASH, A. VERMA, R. GARGI, S. SIVAKUMAR, AND A.R. RAHMANI. 2003. Catastrophic collapse of Indian Whitebacked Gyps bengalensis and Long-billed Gyps indicus vulture populations. Biological Conservation 109:381-390.
31. PENNYCUICK, C.J. 1976. Breeding of the Lappet-faced and White-headed vultures (Torgos tracheliotus Forster and Trigonoceps occipitalis Burchell) on the Serengeti Plains, Tanzania. East African Wildlife Journal 14:67-84.
32. RUXTON, G.D. AND D.C. HOUSTON. 2004. Obligate vertebrate scavengers must be large soaring fliers. Journal of Theoretical Biology 228:431-436.
33. SEKERCIOGLU, C.H. 2006. Increasing awareness of avian ecological function. Trends in Ecology and Evolution 21:464-471.
34. -, G.C. DAILY, AND P.R. EHRLICH. 2004. Ecosystem consequences of bird declines. Proceedings of the National Academy of Sciences of the United States of America 101: 18042-18047.
35. SIMMONS, R.E. 1995. Mass poisoning of Lappet-faced Vultures in the Namib Desert. Journal of African Raptor Biology 10:3.
36. SORLEY, C.S. AND D.E. ANDERSEN. 1994. Raptor abundance in south-central Kenya in relation to land-use patterns. African Journal of Ecology 32:30-38.
37. THIOLLAY, J.M. 2006. The decline of raptors in West Africa: long-term assessment and the role of protected areas. Ibis 148:240-254.
38. YOUNG, T.P., B.D. OKELLO, D. KINYUA, AND T.M. PALMER. 1998. KLEE: a long-term multi-species herbivore exclusion experiment in Laikipia, Kenya. African Journal of Range Forage Science 14:94-102.