- Empidonax hammondii
12.5-14.4 cm, 7.7-12.1 g
- Olive-gray upperparts
- Light throat
- Gray breast
- Pale yellow wash on belly
- White eye ring
- Very long primary projection
- White wing bars
- Juvenile slightly more obvious yellow wash on belly than adult
Throat not as white as Alder Flycatcher; wing longer, breast darker and bill narrower and shorter than Dusky Flycatcher.
Likely to overlap with Acadian Flycatcher, Alder Flycatcher, Buff-breasted Flycatcher, Cordilleran Flycatcher, Dusky Flycatcher, Gray Flycatcher, Least Flycatcher, Pacific-slope Flycatcher, Pine Flycatcher, White-throated Flycatcher, Willow Flycatcher, Yellow-bellied Flycatcher, Yellowish Flycatcher.
See also Empidonax.
Breeds from eastern Alaska south to northern California and northern New Mexico.
Winters from Mexico south to Nicaragua, rarely in southern Arizona.
Accidental vagrant to northeast (New York, Pennsylvania, and Rhode Island), midwest (Michigan) and the Gulf Coast (Alabama, Louisiana, and Texas).
This is a monotypic species.
Coniferous and mixed forests. Riparian areas of tall trees, where usually perches high in conifers. Also brush in arid country on migration.
Inclined to flick wings and tail rather more than other similar species.
The clutch consists of 3 or 4 white eggs, occasionally spotted, in a well-built cup nest placed on a branch high in a tree.
Song: seweep-tsurp-seep, the last part rising
Calls: a high peep (similar to a Pygmy Nuthatch) and a soft wit.
- Clements, J. F., T. S. Schulenberg, M. J. Iliff, D. Roberson, T. A. Fredericks, B. L. Sullivan, and C. L. Wood. 2016. The eBird/Clements checklist of birds of the world: v2016, with updates to August 2016. Downloaded from http://www.birds.cornell.edu/clementschecklist/download/
- Sibley Bird Guide
- BF Member observations
- BirdForum Opus contributors. (2023) Hammond's Flycatcher. In: BirdForum, the forum for wild birds and birding. Retrieved 6 June 2023 from https://www.birdforum.net/opus/Hammond%27s_Flycatcher