American Pipit

The American pipit is an undistinguished-looking species that usually runs around on the ground. It has lightly streaked grey-brown upperparts and is diffusely streaked below on the buff breast and flanks, with a whitish belly and a dark bill and legs. The related Siberian pipit is darker above with bolder black streaking on whiter underparts and legs with a reddish hue. The call is a squeaky sip. It is about 16 centimetres long, weighing 22 grams, with a wingspan of 24 centimetres. (Wikipedia, general species account)

A small songbird native to North America, formerly known as the buff-bellied pipit, it was first described by Marmaduke Tunstall in his 1771 Ornithologia Britannica. It was formerly classified as a form of the water pipit. The former subspecies, the Siberian pipit, is now considered a distinct species. (Wikipedia, general species account)