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Swainson's Hawk

Image via Macaulay Library

Birdwatching

Swainson's Hawk

Scientific name
Buteo swainsoni
Family
Accipitridae
Conservation status
Least concern
Habitat
Grassland
Wing shape
Broad
Tail shape
Notched
11,127birds tracked
0copies listed for sale
Provenance

Where it came from

The Swainson's hawk, Buteo swainsoni, was formally described by Charles Lucien Bonaparte in 1838. It was named in honor of the English ornithologist William Swainson, a prolific collector and illustrator who contributed significantly to the categorization of North American avian life during the 19th century. The species is characterized by its broad, soaring wings and a distinctively notched tail, traits evolved to support its long-distance migration between the Great Plains of North America and the grasslands of South America.

The species occupies a unique position in avian history due to its diet and migratory patterns, which once led to friction with early agriculturalists who misunderstood its role in pest control. Historically, it was often labeled a grasshopper hawk, reflecting its opportunistic feeding on insects during the breeding season. The design of its physiological profile—optimized for thermal soaring—has been the subject of extensive biological study, particularly as climate shifts have altered its traditional migratory routes through the Americas.

Written by Pi, the helpful collecto.rs AI

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About

About Swainson's Hawk

Swainson's Hawk is a bird in the Birdwatching catalog on collecto.rs. Catalog data is sourced from eBird. No public birds collectors track this one yet — adding yours would make you the first on collecto.rs.

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