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Observations on distribution, diet, and breeding of the Hawaiian thrush

Condor

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Abstract

Distribution, breeding habits, and diet of the Hawaiian Thrush were recorded over seven years on the island of Hawaii. The range has been much reduced, with the result that today the species occupies approximately 30% of its former range, no longer being found in the Kohala Mountains or in the Kona area....Data on food preferences indicate the species subsists chiefly on fruits of native trees, when in season, and various insects. Comparison of present feeding habits with observations of earlier workers indicates that the diet has changed. This probably has been a consequence of the loss of suitable habitat at lower elevations....One of the earliest and latest daily singers in Hawaii, the Omao has a repertoire of at least three songs and a number of calls. The species exhibits courtship feeding. Five nests averaged 6.4 m from the ground; nesting materials include small twigs, leaves, grasses mosses, and fern pieces. For the first time the species was found to nest either in cavities or on protected platforms. One or two eggs, each marked with large lavender splotches, compose the clutch. Nestlings have flesh-colored skin, black down, and a bright yellow gape pattern. Time from building of the nest to fledging of the young is about 30 days, and the overall breeding season of the species extends at least from February to October.

Additional Publication Details

Publication type:
Article
Publication Subtype:
Journal Article
Title:
Observations on distribution, diet, and breeding of the Hawaiian thrush
Series title:
Condor
Volume
81
Issue:
1
Year Published:
1979
Language:
English
Contributing office(s):
Patuxent Wildlife Research Center
Description:
65-71
Larger Work Type:
Article
Larger Work Subtype:
Journal Article
Larger Work Title:
Condor
First page:
65
Last page:
71