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Foraging dives by post-breeding northern pintails

Wilson Bulletin

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Abstract

Dabbling ducks (Anatini), including Northern Pintails (Anas acuta), typically feed by “tipping-up” (Bellrose, Ducks, Geese, and Swans of North America, Stackpole Books, Harrisburg, Pennsylvania, 1976) in shallow water. Pintails are not as adapted for diving as members of Aythyini or Oxyurini (Catlett and Johnston, Comp. Biochem. Physiol. 47A:925-931, 1974); however, incidents of foraging dives by small numbers of pintails have been reported (Chapman et al., Br. Birds 52:60, 1959; Bourget and Chapdelaine, Wildfowl 26:55-57, 1975). This paper reports on forage diving by a flock of several hundred pintails. Ecological explanations are suggested to account for the behavior and comparisons with tip-up feeding are presented.

Additional publication details

Publication type:
Article
Publication Subtype:
Journal Article
Title:
Foraging dives by post-breeding northern pintails
Series title:
Wilson Bulletin
Volume:
95
Issue:
2
Year Published:
1983
Language:
English
Publisher:
Wilson Ornithological Society
Contributing office(s):
Northern Prairie Wildlife Research Center, Western Ecological Research Center
Description:
2 p.
First page:
294
Last page:
296
Country:
United States
State:
California
County:
Glenn County
Other Geospatial:
Sacremento National Wildlife Refuge