1. Taverner's Canada Goose Branta canadensis taverneri, Arrowhead Marsh, Alameda County, California, USA, January 25, 2004.  This bird was intermediate in size between the accompanying larger Common Canada Geese B. c. moffitti(?) and smaller Aleutian Geese B. c. leucopareia, and preferred the company of a pale, similarly sized bird identified as a Lesser Canada Goose B. c. parvipes (for photos of this bird, click here).  This bird is very dark, with a greatly reduced chin strap bisected by a substantial black stripe down the middle of the chin.  Note the small bill and long, thin neck.

2. Taverner's Canada Goose B. c. taverneri, Arrowhead Marsh, Alameda County, California, USA, January 25, 2004.  Same individual as above.

3. Taverner's Canada Goose B. c. taverneri, Arrowhead Marsh, Alameda County, California, USA, January 25, 2004.  Same individual as above.  Note the black stripe on the chin, bisecting the white chin strap.  For photos of a similar bird also thought to be a Taverner's, click here.

4. Taverner's Canada Goose B. c. taverneri (behind, right), with Lesser Canada Goose B. c. parvipes (behind, left) and Common Canada Goose B. c. moffitti(?) (foreground, facing camera), Arrowhead Marsh, Alameda County, California, USA, January 25, 2004.  Note the slightly larger bill of the Lesser.

© Stephen J. Davies

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