Diet differences in redheads from nearshore and offshore zones in Louisiana

T. C. Michot, A. J. Nault

Research output: Contribution to journalArticlepeer-review

17 Scopus citations

Abstract

Compared diets of Aythya americana collected from nearshore and offshore zones during winters at the Chandeleur Islands. A greater proportion of redheads from nearshore had food in their esophagus and proventriculus than redheads from offshore. Feeding redheads in the offshore zone consumed more animal matter (42% in esophagus) and less plant material (58%) than conspecifics feeding nearshore (13% animal, 87% plant). Contents of proventriculi showed the same trend. -from Authors

Original languageEnglish (US)
Pages (from-to)238-244
Number of pages7
JournalJournal of Wildlife Management
Volume57
Issue number2
DOIs
StatePublished - Jan 1 1993
Externally publishedYes

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