SOCIAL-ORGANIZATION AND BEHAVIOR OF THE GREY-CROWNED BABBLER POMATOSTOMUS-TEMPORALIS
SOCIAL-ORGANIZATION AND BEHAVIOR OF THE GREY-CROWNED BABBLER POMATOSTOMUS-TEMPORALIS
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DOI:
10.1071/mu9800059
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发表时间:
1980-01-01
影响因子:
1.3
通讯作者:
KING, BR
中科院分区:
文献类型:
--
作者:
KING, BR
The social system of wild and captive gray-crowned Babblers P. temporalis was studied in southeastern Queensland [Australia]. Three classes of age were distinguished on iris color and a 4th by difference in plumage. Adult birds could be sexed by bill length. The ratio of males to females in a population did not differ significantly from unity. The species occurred in sedentary territorial groups, each of which usually contained a single breeding pair and a number of nonbreeding birds. Nonbreeding members were of all ages and mostly the offspring of previous broods of the breeding pair. Groups moved as closely knit units and much behavior was directed towards cohesion of the group. Patterns of behavior and calls are described. Groups were strongly territorial and spent much time in disputes with neighboring groups. Size of home range did not directly correlate with size of group. All members of a group cooperate in building and care of the young, but only the breeding female incubates and broods. The degree of participation of an individual in visiting nests and feeding young usually corresponds with its age and status within the group.