I can say for sure they are more common in Oklahoma during the fall and spring. Description The chipping ... In non-breeding plumage, the closely related clay-colored sparrow is similar in appearance.

The chipping sparrow rarely overlaps in range (except in certain areas in migration), has a distinct dark eye line in any plumage ... Migration: one of the late-fall and early-spring migrants.

What Does a Song Sparrow Look Like ... "These sparrows molt into a fresh plumage in fall, with brand-new feathers, so their markings are sharper from fall to early spring. By summer, after ...