Produção Nacional
Comportamento e composição de um grupo de Callithrix jacchus Erxleben (Primates, Callitrichidae) na mata de Dois Irmãos, Recife, Pernambuco, Brasil
1993; Sociedade Brasileira de Zoologia; Volume: 10; Issue: 3 Linguagem: Inglês
10.1590/s0101-81751993000300018
ISSN1806-969X
AutoresGoretti Sônia da Silva, M. A. O. Monteiro da Cruz,
Tópico(s)Animal Behavior and Reproduction
ResumoThe objective of this study was to determine lhe size and composilion of a group of wild CalJithrix jacchus Erxleben, 1777, a small neotropical primate from lhe North East Brazil.The Sludy was carried out in Dois Irmãos Forest, Recife, Pernambuco, Brazil, in an area of 6ha where this social group of marmosels had its home range.A graded transects system was cut to provi de the access and moving during the observation period.To provide an individual identification for lhe members of the marmosets group and to achieve the objective of this stU?, two captures were made, with a six month interval between them in a 50x50m area at lhe nuclear range of the group's area.The animais were realeased after a maximum period of 24h after traping.We made, during the whole study period, direct observations of lhe social group which wasn 't limited only to count and identificalion of the marmosels, but expanded in consideration on the ecology and behavior of the CalJithrixjacchus group.The resulls show us lhal the size and composition of the study group was similar to olhers descriptions for the Callilrichidae.The group composition suffered a 30% "turnover" in a six month interval, and the adults parliculary, had a big frequency of change.One pair of infants was seen in December 1986 -in the middle of the dry season -and another infanl appeared in the study group in 1987, just after lhe end ofthe wet season.Some dietary items were fruits, leaf buds and also exudate fmm the trunks and branchs of some tree's species.Intergroup agonistic interactions were recorded during February 1987.
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