San Diego County Bird Atlas

The San Diego County Bird Atlas is a project of the San Diego Natural History Museum.

400 volunteer observers worked from February 1997 to February 2002 using a grid of 479 square across this large county.

San Diego County has a very diverse bird population. They won the 2002’s America’s Birdiest City contest held by the American Birding Association

Yellow Warbler’s Breeding Range

Yellow Warbler’s Winter Range

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