- Empidonax traillii
One of the largest of the Empidonax flycatchers at 15cm in length. Distiguishable from many flycatchers by lack of an eye ring.
Usually indistinguishable from Alder Flycatcher except by voice. Flatish forehead, peak on rear of head.
Likely to overlap with Acadian Flycatcher, Alder Flycatcher, Buff-breasted Flycatcher, Cordilleran Flycatcher, Dusky Flycatcher, Gray Flycatcher, Hammond's Flycatcher, Least Flycatcher, Pacific-slope Flycatcher, Pine Flycatcher, White-throated Flycatcher, Yellow-bellied Flycatcher, Yellowish Flycatcher.
See also Empidonax.
Clements recognises the following subspecies :
- E. t. adastus - Breeds from Great Basin and central Rocky Mts. south to Utah and Colorado
- E. t. brewsteri - Pacific northwest (s British Columbia) to Sierra Nevada
- E. t. extimus - Breeds from s California e to New Mexico
- E. t. traillii - Breeds from Great Plains to ne US and se Canada; winters to nw S America
Low brushy areas often near water.
They make a cup nest in a vertical fork in a shrub.
The diet includes insects and berries.
- Clements, James F. 2007. The Clements Checklist of Birds of the World. 6th ed., with updates to October 2007. Ithaca: Cornell University Press. ISBN 9780801445019
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