Behaviour of Australian pteropodidae (Megacheroptera)

Nelson J.E. (1965) Behaviour of Australian pteropodidae (Megacheroptera). Animal Behaviour, 13 4: 544-557.

Author Nelson J.E.
Title Behaviour of Australian pteropodidae (Megacheroptera)
Journal name Animal Behaviour   Check publisher's open access policy
ISSN 0003-3472
Publication date 1965
Sub-type Article (original research)
Volume 13
Issue 4
Start page 544
End page 557
Total pages 14
Subject 1103 Clinical Sciences
1105 Dentistry
Abstract Pteropus poliocephalus and P. gouldi form two types of camps, summer camps occupied from September to April or June, and winter camps occupied from April or June to September. The young are born in October, and during this and the following month the sexes are segregated within the camps. The newborn are essentially heterothermic, and for the first three weeks are dependent on the female to maintain their body temperature within the normal adult range. At 3 weeks, although they cannot fly, they are left in the camps at night while the females fly out to feed. The females recognize their own young by smell, and occasionally by sound. By 3 months the young can fly and leave the camps to feed. They are mature by 18 months. The selection of a mate is made during December and January when the adult population within the camps is maximal. The territories are marked by the males with their scapular glands, which are maximally developed at this time, and are defended by both males and females. The camp becomes organized into recognizable groups: guard groups on the edge, and monogamous groups, polygamous groups, and juvenile packs in the centre of the camp. The members of each group apparently recognize each other by smell. After conception in late March the sexes segregate within the camp, and during April leave the camp in small groups to disperse throughout the range of the species. The juvenile packs move to winter camps in which the young from a number of summer camps mix, and in which the young extend their social bonds and learn the conventions of their society. The importance of grooming and olfaction is discussed. Suggestions are made on the benefits of the social organizations. P. scapulatus forms summer camps which are occupied for shorter periods than those of P. poliocephalus and P. goudi. In these, the selection of a mate, territoriality and conception occur. The young in contrast to the other species are not born in the large camps, but presumably in small groups when the species is dispersed throughout its range.
Q-Index Code C1
Q-Index Status Provisional Code
Institutional Status Unknown

Document type: Journal Article
Sub-type: Article (original research)
Collection: Scopus Import
 
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