Definition of Swainson's hawk in English:

Swainson's hawk

noun

  • A dark-coloured narrow-winged buzzard of western North America.

    Buteo swainsoni, family Accipitridae

Origin

Mid 19th century named after William Swainson (1789–1855), English naturalist.

Pronunciation

Swainson's hawk

/ˈsweɪns(ə)nz/