Definition of Swainson's hawk
: a buteo (Buteo swainsonii) chiefly of western North America and South America having pointed wings and usually a dark breast
Origin of swainson's hawk
William Swainson †1855 English naturalist
First Known Use: 1895
Learn More about swainson's hawk
Britannica.com: Encyclopedia article about "Swainson's hawk"
Seen and Heard
What made you want to look up Swainson's hawk? Please tell us where you read or heard it (including the quote, if possible).