Migration: most birds in North America migratory. Major spring movement follows that of the winter wren; major fall movement precedes that of the Winter. Winter: generally as breeding, but with ...

Vocal and plumage variation in the Bewick’s wren is extensive ... buzzier. Songs of birds in the interior subspecies-group (ero­moph­ilus group) are simpler than those from the far West ...

Wrens are a tiny, rusty-brown bird, smaller than a blue tit ... A Field Guide, (Gill Books) by Jim Wilson, with photographs by Mark Carmody. Jim Wilson is a wildlife writer, broadcaster, tour ...