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Publication Information

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Title: Evidence of Bald Eagles feeding on freshwater mussels

Author: Grubb, Teryl G.; Coffey, Michael A.

Date: 1982

Source: Wilson Bulletin 94 (1) 84-85

Publication Series: Not categorized

Description: A 1978 study of the winter habitat of the Bald Eagle (Haliaeetus leucocephalus) in the Coconino National Forest, Arizona, indicated repeated and potentially heavy use of a freshwater mussel (Anodonta corpulenta) in the eagles’ diet. As many as 10 eagles (five adults and five immatures) were observed at Upper Lake Mary near Flagstaff when the junior author collected field data between 27 February and 10 March. However, only 2-3 eagles were present in the area through most of the winter. No foraging activity was seen, but a variety of circumstantial evidence was collected, suggesting more than casual use of this mussel.

Keywords: Bald Eagles, Haliaeetus leucocephalus, freshwater mussels, Anodonta corpulenta, Arizona

Publication Notes:

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  • This article was written and prepared by U.S. Government employees on official time, and is therefore in the public domain.

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Grubb, Teryl G.; Coffey, Michael A. 1982. Evidence of Bald Eagles feeding on freshwater mussels. Wilson Bulletin 94 (1) 84-85

 


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