Activity budgets of non breeding green-winged teal on playa lakes in Texas

Quinlan, E.E.; Baldassarre, G.A.

Journal of Wildlife Management 48.3: 838-845

1984


ISSN/ISBN: 0022-541X
Accession: 037214640

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Abstract
Diurnal activity budgets of nonbreeding green-winged teal (Anas crecca carolinensis ) using playa lakes on the Southern High Plains of Texas were investigated from September 1981 through March 1982. Activity patterns were similar between sexes but the time allocated to activity categories differed throughout the study period. Percentage of time spent feeding in playa wetlands was highest in September-October, a period of heavy molt and fat deposition. Courtship and locomotion were highest during early morning, resting was highest during late morning and afternoon, and feeding was highest during late afternoon. Management suggestions include encouraging the production of natural foods that may be providing nonbreeding green-winged teal with essential resources not available form waste grain.