Snow Goose. Central Valley, California. January 8, 2016. © Copyright 2016 G Dan Mitchell – all rights reserved.

A solitary snow goose in flight against winter blue sky

There are two common types of white geese in California, the Ross’s goose and the snow goose. Although one or the other may be more predominant in a give location, they often are found together and it can be a bit tricky to tell them apart at first. Size is one hint — the snow goose is a bit larger, and after a while this seemingly subtle difference becomes more obvious. The two birds also have differently shaped bills that are different sizes. Also on the bill is another hint — the snow goose bill has a characteristic “grin” pattern on its sides. A friend tells me that he can identify the difference by sound, too, though I can’t do that consistently at this point.

When first visiting the Central Valley bird locations, the sight of sometimes-huge flocks of white geese makes a strong impression. I can report that it continues to make an impression many visits later, especially when combined with the cacophony of thousands of the birds or the wild group take-offs that occur when they are spooked by predators or other triggers.

G Dan Mitchell is a California photographer and visual opportunist. His book, “California’s Fall Color: A Photographer’s Guide to Autumn in the Sierra” is available from Heyday Books and Amazon.
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