An Analysis of the Social Behavior of Three Groups of Propithecus verreauxi
An 18-month study of the social organization and ecology of Propithecus verreauxi was carried out in Madagascar between May 1970 and September 1971. Two groups were studied in the mixed deciduous and evergreen forests of the Ankarafantsika in the northwest of Madagascar and two in the Didierea forest which covers large tracts in the south. The two study areas and the ecology of groups of P. verreauxi occupying them have been described by Richard (1973, 1974a, and in press).
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