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Pied Tamarin
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Galagoides granti. The IUCN Red List of Threatened Species - 2008
Otolemur garnettii. The IUCN Red List of Threatened Species - 2008
Red List assessment of the Grauer's subspecies of eastern gorilla. Uplisted from Endangered to Critically Endangered in 2016
IUCN Red List for Plecturocebus donacophilus
(Current Biology 27, 3487–3498; November 20, 2017) It has been brought to the authors’ attention that two small typographical errors occurred in Figures 2 and 3. In Figure 2, the correct sample size for the number of sequenced individuals from Central Kalimantan is n = 8. In Figure 3C, the correct assumed mutation rate in the RCCR analysis is 1.50 × 10⁻⁸. Figures 2 and 3 http://zoobank.org have been corrected online and in print, and the original erroneous figures are included here for reference. Furthermore, two short sections indicating the lodgment of P. tapanuliensis as a new species with the International Commission on Zoological Nomenclature have now been added to the text. The LSID (Life Science Identifier) for this publication is urn:lsid:zoobank.org:pub:68FBFE28-103C-4E95-89BD-974A70D026F7. The authors apologize for these errors and omissions.
Primates are among the most threatened taxa of mammals in the world. Tracking the status of primates requires continually assessing population distribution, abundance, and threats, which in turn requires the extent of a species’ occurrence to be known. Defining this important parameter in practice can be difficult. In this article we demonstrate how camera traps can be used to address this with a case study involving two macaque species on the northernmost peninsula of Sulawesi, Indonesia. We deployed 83 camera traps across the suspected interface between the Critically Endangered Macaca nigra and the Vulnerable Macaca nigrescens. Using spatially explicit photographic records of both species, we found the boundary between the two species is 14.85 km farther west than previously defined. We estimate that the additional area encompassed by this new boundary location equates to 224 km² of suitable habitat for M. nigra, an increase of 7.5%. This has important implications for more accurately assessing the threatened status of both species in the future. As camera traps become cheaper, their deployment at broader spatial scales is becoming more feasible, which in turn provides opportunities to enhance our ecological understanding of species. Here, we demonstrate an additional insight that can be gained from such technology, by showing how the range extent of a Critically Endangered primate can be accurately demarcated. Accordingly, we encourage primatologists to think more broadly about the possible applications of camera traps and to include them as tools in their conservation inventories.