American Pipit
Anthus rubescens
Like most other pipits, the American pipit is an undistinguished-looking species which usually can be seen to run around on the ground. It has lightly streaked grey-brown upperparts and is diffusely streaked below on the buff breast and flanks. The belly is whitish, the bill and legs are dark. The related Siberian pipit is darker above and has bolder black streaking on its whiter underparts; its legs have a reddish hue. The call is a squeaky sip. Measurements: Length: 16 cm Weight: 22 g Wingspan: 24 cm
ID text from Wikipedia, CC BY-SA 4.0
Tree Pipit
Anthus trivialis
This is a small pipit that resembles the meadow pipit. It is an undistinguished looking species, with brown stripes above and with black markings on white underparts and buff breast below. It can be differentiated from the slightly smaller meadow pipit by its heavier bill and greater contrast between its buff breast and white belly. Tree pipits are more likely to perch in trees. The call is a strong spek, unlike the weak call of its relative. The song flight is unmistakable.
ID text from Wikipedia, CC BY-SA 4.0
Where you might meet both
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