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Co-operative Breeding and Plumage Variation in the Orange-winged (Varied) Sittella


Author(s): R. A. NOSKE

Observations were made at a nest attended by six Orange-winged (Varied) Sittellas. three of which were colour-banded, near Armidale. New South Wales. The nest was watched for 15 hours. which included late incubation and nestling periods. Only one bird, a female, incubated and brooded. Five group members, including two juveniles from a previous brood in […]

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