|Common Name:||Vireo, Warbling|
|Scientific Name:||Vireo gilvus|
|Area:||Collier Memorial State Park, Oregon|
|Date:||June 23, 2013|
Warbling Vireos are common summer migrants to the US from the tropics, but hard to spot hidden among the leaves of cottonwoods and aspens.
|Reference:||The Sibley Field Guide to Birds of Western North America by Sibley||