American dusky flycatcher
Empidonax oberholseri
The American dusky flycatcher, or simply dusky flycatcher, is a small, insectivorous passerine of the tyrant flycatcher family.
The dusky flycatcher is one of many species in the genus ''Empidonax''. These species are very similar in appearance and behavior, and they are notoriously difficult to differentiate. The best characteristics for distinguishing these species are voice, breeding habitat, and range.
The dusky flycatcher is one of many species in the genus ''Empidonax''. These species are very similar in appearance and behavior, and they are notoriously difficult to differentiate. The best characteristics for distinguishing these species are voice, breeding habitat, and range.