- 4.7–5.5 in
- 8.7 in
- 0.3–0.4 oz
- Moucherolle de Hammond (French)
- Mosquerito passajero (Spanish)
- Early in the breeding season male Hammond's Flycatchers fight so vigorously defending their territories that they often become locked together in midair, fluttering to the ground.
- The Hammond's Flycatcher pulls wings off moths before consuming their bodies.
Cool forests, especially coniferous or mixed forests with fir trees.
Flying insects and caterpillars.
- Clutch Size
- 3–4 eggs
- Egg Description
- Creamy white, sometimes marked sparingly with small reddish-brown dots.
- Condition at Hatching
- Helpless, eyes closed.
A compact cup of plant fibers and fine grass placed on large limb of conifer tree.
Takes insects on the wing; perches on dead branches and twigs between forays.
Populations appear stable or increasing. The species' preference for mature forests suggests that logging of old-growth forests may pose an eventual threat.
- Sedgwick, J. A. 1994. Hammond's Flycatcher (Empidonax hammondii). In The Birds of North America, No. 109 (A. Poole and F. Gill, eds.). The Academy of Natural Sciences, Philadelphia, and The American Ornithologists' Union, Washington, D.C.