Buff-bellied Pipit
Anthus rubescens
The buff-bellied pipit or American pipit (Anthus rubescens) is a small songbird found on both sides of the northern Pacific. It was first described by Marmaduke Tunstall in his 1771 Ornithologia Britannica. It was formerly classified as a form of the water pipit. It is known as "American pipit" in North America and "buff-bellied pipit" in Eurasia.