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

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Abstract
Both sexes of the melodius blackbird (D. 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 1 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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