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Notes on the Behavior of the Melodious Blackbird (Dives dives)

Gordon H. Orians
The Condor
Vol. 85, No. 4 (Nov., 1983), pp. 453-460
DOI: 10.2307/1367986
Stable URL: http://www.jstor.org/stable/1367986
Page Count: 8
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Notes on the Behavior of the Melodious Blackbird (Dives dives)
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Abstract

Both sexes of the Melodious Blackbird (Dives dives) defend territories by vigorous duetting, bill-up displays, and supplanting attacks. These birds forage primarily on the ground in open areas and also forage throughout canopies of tall trees, especially pines. Most food is obtained by gaping; much fruit is taken when available. Displays of this species resemble those of other icterids. Vocalizations are loud and clear and include many whistles. Most of the sounds are made by individuals of both sexes, but some are restricted to one sex. The Scrub Blackbird (D. warszewiczi) resembles the Melodious Blackbird in many respects, but several pairs occupy common foraging grounds and are tolerated near one another's nests.

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