Did you know: Song sparrows can be paler, darker, redder, grayer, larger or smaller, depending on your location. Ornithologists recognize dozens of subspecies of these adaptable birds. Learn how ...

Dull in appearance but notable for its effervescent song, the house wren is a common summer ... certain non-troglodytids (e.g., rufous-crowned sparrow). Status and Distribution Common.

The cheery and sociable house sparrow is more closely associated with ... On freshly molted (nonbreeding) bird, the blackish and reddish regions obscured by gray feather tips.