Peruvian Red Uakari Monkeys (Cacajao Calvus Ucayalii) in the Pacaya-Samiria National Reserve — A Range Extension Across a Major River Barrier

Content Provider	Semantic Scholar
Author	Bowler, Mark Murrieta, Javier Noriega Recharte, Maribel Puertas, Pablo Reguera Bodmer, Richard E.
Copyright Year	2009
Abstract	2005. Foraging ecology of jaguar (Panthera onca) and puma (Puma concolor) in hunted and non-hunted sites within the Maya Biosphere Reserve, Guatemala.covery of a new sub-population of the black lion tama-rins (Leontopithecus chrysopygus) at Serra de Paranapia-caba, São Paulo, Brazil, Neotrop. Primates, 11(2): 75–76. Röhe, F. 2007. Mamíferos de médio e grande porte do médio Rio Madeira. (Puma yagouaroundi) food habits in mosaic of Atlantic Rainforest and eucalypt plantations of southeastern Brazil. Braz. Notas sobre félidos neotropicales VIII: Observaciones sobre el contenido estomacal y el compor-tamiento alimentar de diversas especies de felinos. Rev. According to Hershkovitz (1987) Cacajao calvus ucayalii, listed as Vulnerable by the IUCN, (Veiga & Bowler, 2008) is distributed from the east bank of the Rio Ucayali in an easterly direction to the Rio Yavarí and from the Rio Amazonas in the north to the Rio Urubamba in the south. Hershkovitz (1987) also includes the east bank of the lower Yavarí in Brazil, but its presence there has not been confirmed and it is possible that museum specimens marked as collected on the Brazilian bank of the Yavarí actually came from the Peruvian side where this primate is locally abundant. Surveys conducted between 1979 and 1986 (Aquino 1988) showed that the range was much reduced, hunting having exterminated the species in several areas. Aquino (1988) suggested that the southern limit is now probably the Rio Sheshea and that populations close to the Rios Ucayali and Amazonas have also been reduced and in some areas populations have been exterminated (Fig. 1). Populations of Cacajao calvus observed by Peres (1997) on the upper Rio Juruá and unconfirmed reports by Fernandes (1990) in the Brazilian state of Acre on the upper Juruá and Purus are either of Cacajao calvus novaesi or Cacajao calvus ucayalii, which would extend the known ranges of either of these subspecies. The Rio Ucayali is the largest tributary of the Rio Amazo-nas and at 400–1,200m wide presents a significant barrier to primate populations. However, the constantly-changing course of the river means that very large islands of forest
Starting Page	34
Ending Page	37
Page Count	4
File Format	PDF HTM / HTML
DOI	10.1896/044.016.0108
Volume Number	16
Alternate Webpage(s)	http://www.primate-sg.org/storage/PDF/NP161_C.c.%20ucayalii_Bowler%20et%20al.pdf
Alternate Webpage(s)	https://bioone.org/journalArticle/Download?fullDOI=10.1896/044.016.0108
Alternate Webpage(s)	http://www.uakari.org/wp-content/uploads/2012/10/Bowler-et-al-2009-NeotrpPrim-1.pdf
Alternate Webpage(s)	https://doi.org/10.1896/044.016.0108
Language	English
Access Restriction	Open
Content Type	Text
Resource Type	Article