Abstract
Three primary territories owned by old dominant male satin bowerbirds were known in the neighborhood of Leura. Male 85, which was observed most, disappeared (? died) in 1970, probably after 15 yr occupation of his bower. Several changes in ownership of bowers occurred at about the time of his disappearance and another male from 6 km away eventually replaced him and was dominant at his bower. Males take no part in nesting activities. The nestling period was about 19 days in 1 nest. The female at that nest fed nestlings .apprx. 6 .times. per hour when the young were .apprx. 1 wk old, but only 3 times per hour 6 days later. On fledging, the young were conducted to a nursery area where they were attended by the female for at least 59 days after fledging. The characteristics of this species may agree with those postulated by Gilliard (1963) for arena species.

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