Now showing items 1-5 of 5
A comparison of activity patterns for captive Propithecus tattersalli and Propithecus coquereli.
(Zoo Biol, 2016-03)
The activity patterns and social interactions of two species of captive sifaka were observed during a 2-year period. Allogrooming was not observed in golden-crowned sifaka and they spent significantly more time resting than ...
Stable isotope ratios indicate diet and habitat use in New World monkeys.
(Am J Phys Anthropol, 1997-05)
This paper demonstrates the use of stable isotope ratios of carbon and nitrogen in animal tissue for indicating aspects of species behavioral strategy. We analyzed hair from individuals representing four species of New World ...
When top-down becomes bottom up: behaviour of hyperdense howler monkeys (Alouatta seniculus) trapped on a 0.6 ha island.
(PLoS One, 2014)
Predators are a ubiquitous presence in most natural environments. Opportunities to contrast the behaviour of a species in the presence and absence of predators are thus rare. Here we report on the behaviour of howler monkey ...
Field methods for capture and measurement of three monkey species in Costa Rica.
(Folia Primatol (Basel), 1991)
A total of 54 free-ranging monkeys were captured and marked in Santa Rosa National Park, Costa Rica, during May 1985, and an additional 17 were captured during March 1986. The animals were darted using a blowpipe or a CO2 ...
Reproduction and population growth in free-ranging mantled howling monkeys.
(Am J Phys Anthropol, 1980-07)
Free-ranging mantled howling monkey (Alouatta palliata Gray) females experienced a regular estrus cycle averaging 16.3 days, demonstrated sexual skin changes, and participated in multiple matings before becoming pregnant. ...