willow flycatcher









willow flycatcher


willow flycatcher noun

  1. See under alder flycatcher.

alder flycatcher noun

  1. a North American flycatcher, Empidonax alnorum, of alder thickets and other moist areas, that has greenish-brown upper parts and whitish underparts and is almost indistinguishable except by voice from E. traillii (willow flycatcher).
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