Great Blue Heron Birds Likely to be Observed in Oregon

Location in Oregon
Blue is Winter range - Red is Summer range
Purple is Year-round range - Yellow is Migration range

Great Blue Heron range

Great Blue Heron

Ardea herodias - This largest North American heron is common on fresh as well as salt water. Head is largely white, underparts are dark. When hunting, Great Blue Heron walks slowly through shallows or stands with head hunched on shoulders. Alarm call is a series of about 4 hoarse squawks.

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