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Swainson's Hawk

From Opus

Photo by coloshrikePawnee National Grassland, Colorado, USA, April 2006
Photo by coloshrike
Pawnee National Grassland, Colorado, USA, April 2006
Buteo swainsoni

Contents

[edit] Identification

48–56 cm (19-22 in)

  • Dark brown upperparts
  • Brown chest with dark "bib"
  • White throat patch
  • Pale belly.

A rufous morph is discussed in this thread.

[edit] Distribution

Western North America, wintering in Argentina, southern Brazil and Paraguay.

Juvenile Photo by gophishNew Baltimore, New York, October 2009
Juvenile
Photo by gophish
New Baltimore, New York, October 2009

[edit] Taxonomy

This is a monotypic species[1].

[edit] Habitat

A wide variety of habitats including prairie and dry grasslands.

[edit] Behaviour

[edit] Breeding

They build a stick nest in a tree, shrub or on a cliff edge. The 1-4 white eggs are incubated by the female for 34-35 days.

[edit] Diet

Photo by Stanley JonesTritex Grass Farm, Bryan, Brazos County, Texas, USA, 4 October 2020
Photo by Stanley Jones
Tritex Grass Farm, Bryan, Brazos County, Texas, USA, 4 October 2020

They have a very varied diet, which mostly consists of small mammals; rabbits, voles, bats etc in the breeding season, as well as some birds.

[edit] References

  1. Clements, J. F., T. S. Schulenberg, M. J. Iliff, S. M. Billerman, T. A. Fredericks, B. L. Sullivan, and C. L. Wood. 2019. The eBird/Clements Checklist of Birds of the World: v2019. Downloaded from http://www.birds.cornell.edu/clementschecklist/download/
  2. Bechard, M. J., C. S. Houston, J. H. Saransola, and A. S. England (2020). Swainson's Hawk (Buteo swainsoni), version 1.0. In Birds of the World (A. F. Poole, Editor). Cornell Lab of Ornithology, Ithaca, NY, USA. https://doi.org/10.2173/bow.swahaw.01

[edit] Recommended Citation

[edit] External Links

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