Journal
AMERICAN JOURNAL OF PRIMATOLOGY
Volume 72, Issue 6, Pages 475-480Publisher
WILEY
DOI: 10.1002/ajp.20796
Keywords
disease; yellow fever outbreak; population decline; primate conservation
Categories
Funding
- Cleveland Metroparks Zoo-Scott Neotropical Fund
- Primate Action Fund
- Primate Conservation Inc.
- International Primatological Society
- Idea Wild
- CEDIT, CONICET [PIP 6318]
- Rufford Small Grant
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Two yellow fever outbreaks (YFOs) ocurred in northeastern Argentina between November 2007 and October 2008, seriously affecting populations of two howler monkey species: the brown howler Alouatta guariba clamitans and the black howler Alouatta caraya. Both howlers live syntopically in El Pinalito Provincial Park, Misiones, where four groups (36 individuals) were studied since January 2005. The first dead howlers were found on January 20, 2008, in El Pinalito. Systematic searches found 14 dead howlers within the area (12 from the study groups and two from neighboring groups), with only two young seen on January 25, 2008, and none found since up to December 2008. In October 2008, another YFO hit howler monkey populations from El Soberbio, Misiones. Overall, 59 howlers were found dead in Misiones from November 2007 to December 2008. Thanks to the alert of the howler's death in El Pinalito, a prompt human vaccination campaign started in the area. Wild howler monkey populations from both species are in a delicate situation in Misiones, especially the brown howler, an already endangered species in Argentina and endemic to the Atlantic Forest. If we add the recurrence of YFOs to the reduction of suitable habitat to small fragments, it could be only a matter of time until howler populations disappear from the Upper Parana Atlantic Forest in Misiones. Am. J. Primatol. 72:475-480, 2010. (C) 2010 Wiley-Liss, Inc.
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