Habitat Fragmentation’s Effect on an Endangered Indian Primate, the Lion-tailed Macaque

By: Kristin Abt The Lion-tailed Macaque (Macaca silenus) is an endangered cercopithecine primate native to the Western Ghats region of India, described as one of the primary hotspots of biodiversity in the world (Kumara & Singh, 2004).  IUCN (2010) estimates a mere 2,500 mature individuals with a total population size of 4,000 individuals.  Furthermore, these... Continue Reading →

Spotlight on the Urban Ecology of Long-tailed Macaques

The study of conservation biology, and its oft-times competitor - urbanization, is increasingly relevant to the study of primatology. As a species, long-tailed macaques demonstrate a number of conflicts and potential implications of the urbanization occurring in primate-habitat countries. The long-tailed macaque (Macaca fascicularis) is the third-most common primate in the world with an extensive range... Continue Reading →

Grandmothers Taking Care Of Their Granddaughters: Japanese Macaques

Japanese researchers observed two separate cases of grandmothers taking care of their granddaughters. The catch is, these grandmothers are free-ranging Japanese macaques (Macaca fuscata) and the researchers think that this is the first observed behavior in nonhuman primates that would support the "Grandmother Hypothesis". The Grandmother Hypothesis posits that female's post reproductive lifespan is reflected... Continue Reading →

Self-Suckling in Barbary Macaques Before and After Infant’s Death

Self-suckling is a rare behavior that occurs among Barbary macaques (Macaca sylvanus) and might have been a learned behavior. Dr. Bonaventura Majolo and his PhD. student Richard McFarland noticed this behavior while studying Barbary macaques in the middle-Atlas mountains of Morocco (2009). They published their findings, "Brief communication: Self-suckling in Barbary macaque (Macaca sylvanus) mothers... Continue Reading →

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