[Swain.son's hawk] n [William Swainson d. 1855 Eng. naturalist] (1895): a buteo (Buteo swainsonii) chiefly of western No. America and So. America having pointed wings and usu. a dark breast
SWAINSON'S HAWK
Meaning of SWAINSON'S HAWK in English
Merriam-Webster English vocab. Английский словарь Merriam Webster. 2012