Swallows and Martins (Hirundinidae)

Violet-green Swallow (Tachycineta thalassina) - HBW 9, p. 650

French: Hirondelle à face blanche German: Veilchenschwalbe Spanish: Golondrina Verdemar

Taxonomy: Hirundo thalassinus Swainson, 1827, Real del Monte, Hidalgo, Mexico.
Closely related to T. euchrysea and T. cyaneoviridis. Population from Alaska and Canada S to Arizona, New Mexico and Baja California sometimes treated as separate race lepida. Two subspecies recognized.

Subspecies and Distribution:

  • 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 Costa Rica.
  • brachyptera Brewster, 1902 - NW Mexico (C & S Baja California, S Sonora).