Mating behavior and endocrine profiles of wild black and white colobus monkeys (Colobus guereza): Toward an understanding of their life history and mating system

Article Abstract:

A study in which combined behavioral and endocrine studies of wild primates is used to characterize life history variables and mating systems is illustrated. Mating behavior revealed that females often solicit copulations from males, which may or may not represent an opportunity for female choice and females sometimes ovulate within a few days of one another, and their receptive periods may therefore overlap even in one-male groups of guerezas and despite the lack of a breeding season.

Courtship of animals, Mating behavior, Mating behaviour

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Killing of pearl-spotted owlet (Glaudidium perlatum) by male red colobus monkeys (Procolobus tephrosceles) in a forest fragment near Kibale National Park, Uganda

Article Abstract:

Adult male red colobus (Procolobus tephrosceles) were found capturing and killing an owl (Glaucidium perlatum) in the Rurama forest fragment near Kibale National Park, Uganda. The event is interpreted as a misdirected antipredator behavior and although antipredator behaviors are not unknown in red colobus, this is the first such incident directed against a raptor to be documented.

Predation (Biology)

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Behavioral and endocrine dynamics associated with infanticide in a black and white Colobus monkey (Colobus guereza)

Article Abstract:

An infanticide observed in , Uganda, in the summer of 2001, is reported. Infanticide associated with intergroup aggression in accessing high-quality resources for the infanticidal male's group is analyzed.

Reports, Infanticide in animals, Animal infanticide, Death of

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