French: Hirondelle à face blanche German: Veilchenschwalbe Spanish: Golondrina verdemar
Real del Monte, Hidalgo, Mexico
Subspecies and Distribution
T. t. thalassina
(Swainson, 1827) – C Alaska and W Canada (S from N Yukon, SW Mackenzie, N British Columbia, WC Alberta, SW Saskatchewan) S in W USA (E to W North Dakota and NW Nebraska) to S Arizona and S New Mexico, and Mexico (S to C Baja California, also on plateau S to Oaxaca and Veracruz); winters Baja California S to N Nicaragua; casual in Costa Rica#R.
T. t. brachyptera
Brewster, 1902 – NW Mexico (C & S Baja California, S Sonora).
12–13 cm; 14–16 g. Male has forehead to nape matt green, nape with violet tinge, side of head, including area above and behind eye, white; back matt green, rump... read more
Twitter call is used in territorial and courtship contexts; other calls include a contact call... read more
Open deciduous, coniferous and mixed woodland; also other open areas, such as cliffs, deserts or... read more
Food and feeding
Insects. In samples taken throughout North America, diet consisted of 36% Hemiptera (leafhoppers, leafbugs), 29% flies (Diptera), 23%... read more
Mainly May–Aug, from Feb in Mexico; single-brooded. Solitary, or in groups of typically up to 25 pairs, occasionally more than 50... read more
Nominate race mainly a long-distance migrant, winters from S Sonora and the Mexican Plateau S to... read more
Status and conservation
Not globally threatened. Total population estimated at c. 11,000,000 birds. Generally fairly common to common, especially in mountain ranges around Los Angeles (California).... read more
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