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Wednesday, June 16, 2010

Memorial Day weekend at Malheur: Part 13

Warbling Vireo Warbling Vireo at Malheur NWR, Oregon on 30 May, 2010 by Greg Gillson.

 

[Click to read all Memorial Day weekend at Malheur posts.]

One of the abundant birds in the Pacific NW is the Warbling Vireo. They migrate in large numbers through the Great Basin desert. They are one of the typical migrants at Malheur Headquarters and other oases. It is not unusual to have 15-20 birds at Headquarters each day in May.