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George A. Clark, Jr.
The Wilson Bulletin
Vol. 82, No. 3 (Sep., 1970), pp. 279-288
Published by: Wilson Ornithological Society
Stable URL: http://www.jstor.org/stable/4159979
Page Count: 10
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Bill-wiping is reviewed for Tinamidae, Ardeidae, Tetraonidae, Phasianidae, Psittacidae, Picidae, and 20 families of Passeriformes. Bill-wiping occurs in at least one, but not all, species of Laridae and has not been reported for Anatidae. Functional interpretation of this behavior as a displacement activity remains uncertain. Bill-wiping appears to have moderate potential utility as a taxonomic character.
The Wilson Bulletin © 1970 Wilson Ornithological Society