Primates in Peril

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Contents Acknowledgements.........................................................................................iv The World’s 25 Most Endangered Primates: 2014–2016..........................................1 Africa .........................................................................................................................10 Rondo dwarf galago (Galagoides rondoensis) ....................................................................11 Roloway monkey (Cercopithecus diana roloway ................................................................14 Preuss’s red colobus (Piliocolobus preussi) .........................................................................17 Tana River red colobus (Piliocolobus rufomitratus) .......................................................20 Grauer’s gorilla (Gorilla beringei graueri) .........................................................................23 Madagascar ................................................................................................................ 26 Lavasoa Mountains dwarf lemur (Cheirogaleus lavasoensis) .........................................27 Lac Alaotra bamboo lemur (Hapalemur alaotrensis) ........................................................30 Red ruffed lemur (Varecia rubra) ....................................................................................33 Northern sportive lemur (Lepilemur septentrionalis) ....................................................36 Perrier’s sifaka (Propithecus perrieri) ...................................................................................38 Asia....................................................................................................42 Philippine tarsier (Carlito syrichta) ................................................................................43 Javan slow loris (Nycticebus javanicus) ................................................................................45 Pig-tailed snub-nose langur (Simias concolor) ...............................................................50 Delacour’s langur (Trachypithecus delacouri) .....................................................................53 Golden-headed langur or Cat Ba langur (Trachypithecus poliocephalus poliocephalus)....56 Tonkin snub-nosed monkey (Rhinopithecus avunculus) ..................................................58 Chamba sacred langur (Semnopithecus ajax).....................................................................60 Western purple-faced langur (Semnopithecus vetulus nestor) .......................................63 Hainan gibbon (Nomascus hainanus) ..................................................................................67 Sumatran orangutan (Pongo abelii) ......................................................................................70 Neotropics ................................................................................................................73 Brown spider monkey (Ateles hybridus)..............................................................................74 Ecuadorian brown-headed spider monkey (Ateles fusciceps fusciceps) .........................76 Ka’apor capuchin (Cebus kaapori) .......................................................................................78 San Martín titi monkey (Callicebus oenanthe) ....................................................................81 Northern brown howler (Alouatta guariba guariba) .........................................................83 Editors’ addresses .....................................................................................................87 Contributors’ addresses .............................................................................................87 iii
Acknowledgements Here, we present the 2014–2016 iteration of the World’s 25 Most Endangered Primates list, drawn up during an open meeting held during the XXV Congress of the International Primatological Society (IPS), Hanoi, 13 August 2014. We have updated the species profiles from the 2012–2014 edition (Schwitzer et al. 2014) for those species remaining on the list, and added additional profiles for newly listed species. This publication is a joint effort of the IUCN SSC Primate Specialist Group, the International Primatological Society, Conservation International, and the Bristol Zoological Society. We are most grateful to the Margot Marsh Biodiversity Foundation for providing significant support for research and conservation efforts on these endangered primates through the direct provision of grants and through the Primate Action Fund, administered by Ms. Ella Outlaw, of the Executive Vice Chair’s Office at Conservation International. Over the years, the foundation has provided support for the training workshops held before the biennial congresses of the International Primatological Society and helped primatologists to attend the meetings to discuss the composition of the list of the world’s 25 most endangered primates. We would like to thank all of the authors who contributed to the final 2014–2016 version: Vishal Ahuja, Martina Anandam, Nary R. J. Andrianjaka, Matthew A. Banks, Thomas M. Butynski, Bosco P. L. Chan, Lounès Chikhi, Fay Clark, Ana Gabriela de Luna, Marcos de Souza Fialho, Dong Thanh Hai, Andrew Dunn, Leonardo Gomes Neves, Sharon Gurksy, Olivier Hamerlynck, Andreas Hapke, Leandro Jerusalinsky, Daphne Kerhoas, Le Khac Quyet, Neahga Leonard, Joshua M. Linder, Andrés Link, Edward E. Louis Jr., W. Scott McGraw, Fabiano R. Melo, Stefan Merker, Russell A. Mittermeier, Sanjay Molur, Alba Lucia Morales-Jiménez, Bethan J. Morgan, Paola Moscoso-R., Tilo Nadler, K. Anna I. Nekaris, Vincent Nijman, Stuart Nixon, Matthew G. Nowak, John F. Oates, Lisa M. Paciulli, Richard J. Passaro, Erik R. Patel, Andrew Perkin, Phan Duy Thuc, Martina Raffel, Christian Roos, Rasanayagam Rudran, Anthony Rylands, Jordi Salmona, Daniela Schrudde, Christoph Schwitzer, Myron Shekelle, Ian Singleton, Roswitha Stenke, Pablo Stevenson, Jatna Supriatna, Maurício Talebi, Dana Thiele, Diego G. Tirira, Graham Usher, Jan Vermeer, Serge A. Wich, Elizabeth A. Williamson, Lance Woolaver, John R. Zaonarivelo. Reference Schwitzer, C., Mittermeier, R.A., Rylands, A.B., Taylor, L.A., Chiozza, F., Williamson, E.A., Wallis, J. and Clark, F.E. (eds.). 2014. Primates in Peril: The World’s 25 Most Endangered Primates 2012-2014. IUCN SSC Primate Specialist Group (PSG), International Primatological Society (IPS), Conservation International (CI), and Bristol Zoological Society, Arlington, VA. 87pp. iv
Page 2 and 3: Primates in Peril: The World’s 25
Page 6 and 7: The World’s 25 Most Endangered Pr
Page 8 and 9: Table 2. Primate species included o
Page 10 and 11: Photos of some of the Top 25 Most E
Page 12 and 13: 7
Page 14 and 15: 9
Page 16 and 17: Rondo Dwarf Galago Galagoides rondo
Page 18 and 19: A new project to address these cons
Page 20 and 21: potential and roloways have been re
Page 22 and 23: Preuss’s Red Colobus Piliocolobus
Page 24 and 25: Groves, C. P. 2007. The taxonomic d
Page 26 and 27: There are six (perhaps seven) other
Page 28 and 29: Grauer’s Gorilla Gorilla beringei
Page 30 and 31: (WCS unpublished data), is encourag
Page 32 and 33: Lavasoa Mountains Dwarf Lemur Cheir
Page 34 and 35: Hapke, A., J. Fietz, S. D. Nash, D.
Page 36 and 37: of hunting and trapping are employe
Page 38 and 39: Red Ruffed Lemur Varecia rubra É.
Page 40 and 41: Rigamonti, M. M. 1993. Home range a
Page 42 and 43: In 2008, the Service d’Appui à l
Page 44 and 45: km 2 ) in Banks et al. (2007), for
Page 46 and 47: Salmona, J., R. Heller, E. Quémér
Page 48 and 49: Philippine Tarsier Carlito syrichta
Page 50 and 51: Javan Slow Loris Nycticebus javanic
Page 52 and 53: Moore et al. (2014) assessed the su
Page 54 and 55:
Thorn, J. S., V. Nijman, D. Smith,
Page 56 and 57:
peat-swamp forests, S. c. siberu ha
Page 58 and 59:
Delacour’s Langur Trachypithecus
Page 60 and 61:
Nadler, T. 2012. Reintroduction of
Page 62 and 63:
one group consisting of two females
Page 64 and 65:
and gunshots were recorded commonly
Page 66 and 67:
ut do occur. Aggression is quite ra
Page 68 and 69:
Western Purple-faced Langur Semnopi
Page 70 and 71:
in the community and in nearby town
Page 72 and 73:
Hainan Gibbon Nomascus hainanus (Th
Page 74 and 75:
hainanus and the Eastern black gibb
Page 76 and 77:
equire vast areas of contiguous rai
Page 78 and 79:
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Page 80 and 81:
is relatively well preserved and pr
Page 82 and 83:
Province, and adjacent regions of I
Page 84 and 85:
Due to the threats of habitat loss
Page 86 and 87:
San Martín Titi Monkey Callicebus
Page 88 and 89:
Northern Brown Howler Alouatta guar
Page 90 and 91:
References Brazil, MMA, ICMBio-CPB.
Page 92 and 93:
Editors’ addresses Mittermeier, R
Page 94 and 95:
Louis, Jr., Edward E. Omaha’s Hen
Page 96 and 97:
Vermeer, Jan Proyecto Mono Tocón,
Page 98:
The Species Survival Commission (SS
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