French: Hirondelle noire German: Purpurschwalbe Spanish: Golondrina purpúrea
Hudson Bay, Canada
Subspecies and Distribution
P. s. arboricola
Behle, 1968 – mountains of W North America (probably including Pacific North-west) E to Rocky Mts and S to NW & N Mexico (including N Baja California); winters probably in South America.
P. s. subis
(Linnaeus, 1758) – E of Rocky Mts, from S Canada (C Alberta and C Saskatchewan E to SW & S Ontario, S Quebec, E New Brunswick and NW Nova Scotia) S to S USA (E from C Plains States, W Kansas and C & SW Texas) and C Mexican highlands; winters in South America E of Andes.
P. s. hesperia
Brewster, 1889 – SW USA (S Arizona lowlands) and NW Mexico (S Baja California, and lowlands S to SC Sonora, possibly along coast to N Sinaloa and on Gulf of California islands); probably winters in South America.
19 cm; 48–64 g. Male is glossy steel-blue to bluish-black; concealed tufts of white feathers on side; wings and tail sooty-black, tail moderately forked. Distinguished... read more
During courtship, males sing gurgling “croak” song, females “chortle” song... read more
Natural habitat is forest edge and semi-open areas with dead snags, especially near water such as... read more
Food and feeding
In samples taken throughout North America, diet consisted of 23% Hymenoptera (mainly ants and wasps, a few bees), 16% flies (Diptera), 15%... read more
Start of egg-laying varies, from late Mar in Florida to mid-Jun in Canada; single-brooded (rarely, two broods in S USA). Socially... read more
Migratory; forms large post-breeding flocks, some of hundreds of thousands of birds. E population (... read more
Status and conservation
Not globally threatened (Least Concern). Overall population estimated at c. 11,000,000 birds. Range has contracted in N, and population declining in N and also along Gulf... read more
Only subscribers are able to see the bibliography. Login or Subscribe to get access to a lot of extra features!