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 ...

People often describe the house wren as plain because the bird has simple brown colors. But don't disregard these backyard guests. House wrens measure 4 3/4 inches long with a wingspan of 6 inches.