French: Moucherolle des ravins German: Hochland-Schnäppertyrann Spanish: Mosquero cordillerano
Empidonax bairdi occidentalis
Pluma, Oaxaca, Mexico
Subspecies and Distribution
E. o. hellmayri
Brodkorb, 1935 – interior W North America from S Canada (WC Alberta, N Rocky Mts region) and USA (S to NE California, S Nevada, C & SE Arizona, SW Texas) S to N Mexico (Sierra Madre Occidental of Sonora and Chihuahua, and N Coahuila); winters Mexico S to C Oaxaca.
E. o. occidentalis
Nelson, 1897 – highlands of Mexico, from Durango, SE Sinaloa, SE Coahuila and Nuevo León S to Guerrero, SC Oaxaca and W Veracruz.
13–17 cm; 9–12 g. Large-headed flycatcher. Has indistinct pale supraloral line, distinct white to dull yellowish teardrop-shaped eyering extending to a point... read more
Song “ps-séét ptsick seet” or “tséé-wee pttuck tseep... read more
Breeds in humid to semi-arid pine-oak (Pinus-Quercus) and coniferous forest,... read more
Food and feeding
Insects; occasionally fruit. Searches for prey while perched 0–9 m up; sallies usually 1–2 m to hawk insects from the air or to... read more
Late Apr to Jul in Canada and USA, and Mar–Sept in Mexico; double-brooded. Nest a cup made of green moss, bark strips and rootlets,... read more
N populations medium-distance migrants, wintering in Mexico. Generally departs breeding grounds in... read more
Status and conservation
Not globally threatened. Common to fairly common; total population estimated at 2,600,000 birds. Survey data show no significant decline or increase in population size... read more
Only subscribers are able to see the bibliography. Login or Subscribe to get access to a lot of extra features!