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Social organization andbehavioral patterns of the captive giraffe at the Bronx Zoo

The social organization of giraffe has only recently been discovered to have a multi-level structure, and the scientific community lacks the proper understanding of how problems facing giraffe, both in the wild and in captivity, will affect this social organization. In an effort to develop understanding regarding both social and behavioral patterns of captive giraffe, we collected nearest neighbor data and behavioral observations, totaled all affiliative interactions, calculated association strengths, and compiled records of abnormal behaviors of the zoo herd

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Social organization and behaviour of giraffe in Tsavo East National Park

Social organization and behaviour of giraffes were studied in Tsavo East National Park, Kenya, by means of road strip counts and observations of individually known animals. Most groups comprised of one to ten animals, with a maximum of thirty‐five and a mean of 3.8. Group size and composition varied locally to some extent. Single adult males constituted the commonest group type; in groups of two or more animals the sexes were usually mixed. Groups were loose and open; close inter‐individual

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Androgen changes and flexible rutting behaviour in male giraffes

The social organization of giraffes (Giraffa camelopardalis) imposes a high-cost reproductive strategy on bulls, which adopt a ‘roving male’ tactic. Our observations on wild giraffes confirm that bulls indeed have unsynchronized rut-like periods, not unlike another tropical megaherbivore, the elephant, but on a much shorter timescale. We found profound changes in male sexual and social activities at the scale of about two weeks. This so far undescribed rutting behaviour is closely correlated with changes in androgen concentrations and appears to

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