French: Hirondelle à ailes hérissées German: Graukehlschwalbe Spanish: Golondrina aserrada norteña
Charleston, South Carolina, USA
Subspecies and Distribution
S. s. serripennis
(Audubon, 1838) – SE Alaska, and from S Canada (C British Columbia, C Alberta, C Saskatchewan, S Manitoba, W & S Ontario E to SW New Brunswick and SW Nova Scotia) S in USA to C California, N Nevada, New Mexico, C Texas and SW Florida; winters mostly SW Mexico and Florida S to C Panama.
S. s. psammochroa
Griscom, 1929 – S California, S Nevada, SW Utah, SW Arizona, S New Mexico and S Texas S to S & NE Mexico (S through N coastal plains and possibly interior highlands to SW Oaxaca and Tamaulipas), possibly also S along coast to El Salvador; winters C Mexico S to Panama.
S. s. fulvipennis
(P. L. Sclater, 1860) – C & S Mexico (lowlands and middle elevations from C Veracruz, E Oaxaca and E Chiapas) S to Costa Rica.
S. s. burleighi
A. R. Phillips, 1986 – locally in interior Belize#R and Guatemala (S Yucatán Peninsula).
12·5–14·5 cm; 10·3–18·3 g. Male nominate race is grey-brown above, rump with paler feather edges; wings and tail dark grey-brown,... read more
Territorial call is a series of fast “brrrt” notes; other calls include an alarm call,... read more
Rocky gorges or open areas with exposed banks of gravel, clay or sand, such as road cuttings,... read more
Food and feeding
In samples taken throughout North America, diet 33% flies (Diptera), 31% Hymenoptera (mainly ants), 15% bugs (Hemiptera), 15% beetles (... read more
Egg-laying mid May to mid Jun in NE, early Jun to early Jul in NW; from Mar/Apr in Middle America, but until at least late Jun in SW Mexico... read more
N populations are medium-distance migrants; resident in S. Forms flocks after breeding, often of... read more
Status and conservation
Not globally threatened (Least Concern). Population size estimated at 15,000,000 birds, with more than one million counted on passage through Veracruz (E Mexico) in Oct 1999... read more
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