Zobrazeno 1 - 10
of 38
pro vyhledávání: '"Coquerel's sifaka"'
Autor:
Bertrand Andriatsitohaina, Ute Radespiel, Malcolm S. Ramsay, Romule Rakotondravony, Miarisoa L. Ramilison, Coral Chell
Publikováno v:
African Journal of Ecology. 59:350-358
Habitat loss and fragmentation affect species occurrence and distribution in rapidly changing ecosystems. These issues are especially relevant on the Island of Madagascar where modern deforestation has been widespread and is ongoing. We investigated
Autor:
S. D. Rakotomalala, I. Grant, S. J. Ward, C. Thompson, H. Gough, M. E. Corral, C. J. Laskai, C. Chell
Publikováno v:
International Journal of Primatology. 41:562-565
Autor:
Abigail C. Ross
Publikováno v:
American Journal of Primatology. 82
Cortisol is a glucocorticoid hormone that plays a principal role in metabolic function and stress responses in wild primates. Stressors are ubiquitous in environments and elicit a variety of physiological and behavioral responses. While stress respon
Publikováno v:
Primates; journal of primatology. 61(4)
Infanticide has been observed across many primate taxa, but the extent of its occurrence is not fully understood due to difficulty in observation and uneven reporting. Several hypotheses have been proposed to explain why infanticide occurs in primate
Publikováno v:
Zoo Biology. 35:128-136
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 the Coquerel's sifaka. Fem
Autor:
Abigail C. Ross, Shawn M. Lehman
Publikováno v:
American Journal of Primatology. 78:646-658
Lactating females face energetic constraints absent in conspecifics and must compensate for higher energy requirements. Infant transport is the most energetically costly mammalian activity after lactation. Nonetheless, infant transport and mother-inf
Publikováno v:
Journal of zoo and wildlife medicine : official publication of the American Association of Zoo Veterinarians. 49(2)
Coquerel's sifakas ( Propithecus coquereli) are diurnal, folivorous lemurs native to Madagascar and one of only two members of the genus Propithecus currently housed in human care settings outside of Madagascar. This species has a lifespan of approxi
Autor:
Daniel Schmitt, Megan L. Snyder
Publikováno v:
Experimental gerontology. 111
It is well-known that as humans age they experience significant changes in gait including reduction in velocity and ground reaction forces and changes in leg mechanics. Progressive changes in gait can lead to disability and frailty, defined as an ina
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Publikováno v:
Primates. 56:127-129
The interactions between primates and their snake predators are of interest because snakes have influenced the evolution of primate visual systems and predation has driven the evolution of primate behaviour, including group living. However, there are