Traill's flycatcher
English edit
Etymology edit
Named after Thomas Stewart Traill, a friend of John James Audubon.
Noun edit
Traill's flycatcher (plural Traill's flycatchers)
- A supposed species of tyrant flycatcher, now regarded as two distinct but closely related species: the alder flycatcher (Empidonax alnorum) and the willow flycatcher (Empidonax traillii).