v3i2.57

ISSN: 1800-427X (print)
eISSN: 1800-427X (online)
DOI:10.47605/tapro.v3i2.57

Submitted date: 29 July 2011
Accepted date: 29 October 2011
Published date: 20 December 2011
Pp. 110–111.

Unusual affiliative behaviour in orang-utans (Pongo pygmaeus) - Sabah, Malaysia

Lee E. Harding*
*E-mail: harding@sciwrite.ca

Adult male and female orang-utans are usually described as solitary (Delgado Jr & Van Schaik, 2000; Galdikas, 1985; Poole, 1987; Rodman & Mitani, 1987; Weiss et al., 2006), the female providing the only infant care, as far as is known. Adult males, which are twice the size of adult females, do not associate with females except for sex; adult males may associate with subadult males, but not for companionship: it usually involves competition for a receptive female

Section Editor: Colin Groves