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Title: Reproduction and infant pelage colouration of the banded leaf monkey (Mammalia: Primates: Cercopithecidae) in Singapore
Authors: Ang, A.
Ismail, M.R.B.
Meier, R. 
Keywords: Banded leaf monkey
Infant colour
Issue Date: 31-Aug-2010
Citation: Ang, A.,Ismail, M.R.B.,Meier, R. (2010-08-31). Reproduction and infant pelage colouration of the banded leaf monkey (Mammalia: Primates: Cercopithecidae) in Singapore. Raffles Bulletin of Zoology 58 (2) : 411-415. ScholarBank@NUS Repository.
Abstract: The banded leaf monkey (Presbytis femoralis femoralis) is the largest extant non-human primate in Singapore and its population is known to be critically endangered and restricted to the Central Catchment Nature Reserve. Prior to this study it was uncertain whether the species is reproducing in Singapore and there were confl icting reports about infant colouration, casting doubts on whether the subspecies in Singapore is different from that in Johor, Malaysia. Here we present the first report on reproduction, infant pelage colouration and development of the banded leaf monkeys in Singapore based on 22 months of observational data. We report at least six births from 2008 to 2010, and present evidence that there is at least one birth season in June/July for three consecutive years. Moreover several infants have survived beyond seven months, implying low infant mortality. The infants are born white, with a black line from head, along the spine, to tail that is intersected by a black line passing along the shoulders to the outer surfaces of both forearms thus forming a distinctive cruciform (cross-like) black pattern on the dorsum. This natal pelage pattern is consistent with that of the banded leaf monkey infants in Johor, suggesting no differentiation between the two populations based on infant colouration. These data are preliminary and more long-term research is needed to understand the reproductive behaviour of this native and elusive primate in Singapore. © National University of Singapore.
Source Title: Raffles Bulletin of Zoology
ISSN: 02172445
Appears in Collections:Staff Publications

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