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) .
ALDER FLYCATCHER
Meaning of ALDER FLYCATCHER in English
Random House Webster's Unabridged English dictionary. Полный английский словарь Вебстер - Random House . 2012