SPECIES

Variable Hawk Geranoaetus polyosoma Scientific name definitions

Richard O. Bierregaard, Jeffrey S. Marks, and Guy M. Kirwan
Version: 1.0 — Published March 4, 2020
Text last updated January 5, 2019

Originally Appeared in

Revision History

Birds of the World

Authors

Richard O. Bierregaard, Jeffrey S. Marks, and Guy M. Kirwan

Revisors

Guy M. Kirwan and Jeffrey S. Marks

Recommended Citation

Bierregaard, R. O., J. S. Marks, and G. M. Kirwan (2020). Variable Hawk (Geranoaetus polyosoma), version 1.0. In Birds of the World (J. del Hoyo, A. Elliott, J. Sargatal, D. A. Christie, and E. de Juana, Editors). Cornell Lab of Ornithology, Ithaca, NY, USA. https://doi.org/10.2173/bow.rebhaw2.01


Neotropical Birds

  • Version  0.0

  • Revision
  • Not Published
  • Variable Hawk Geranoaetus polyosoma

Recommended Citation

(2022). Variable Hawk (Geranoaetus polyosoma), version 0.0. In Neotropical Birds Online (T. S. Schulenberg, Editor). Cornell Lab of Ornithology, Ithaca, NY, USA.


Handbook of the Birds of the World

Authors

Richard O. Bierregaard, Jeffrey S. Marks, and Guy M. Kirwan

Revisors

Jeffrey S. Marks and Guy M. Kirwan

Recommended Citation

Bierregaard, R. O., J. S. Marks, and G. M. Kirwan (2019). Variable Hawk (Geranoaetus polyosoma). In Handbook of the Birds of the World Alive (J. del Hoyo, A. Elliott, J. Sargatal, D. A. Christie, and E. de Juana, Editors). Lynx Edicions, Barcelona.

Authors

Richard O. Bierregaard

Recommended Citation

Bierregaard, R. O. (2013). Puna Hawk (Buteo poecilochrous). In Handbook of the Birds of the World Alive (J. del Hoyo, A. Elliott, J. Sargatal, D. A. Christie, and E. de Juana, Editors). Lynx Edicions, Barcelona.

Recommended Citation

Bierregaard, R. O., J. S. Marks, and G. M. Kirwan (2020). Variable Hawk (Geranoaetus polyosoma), version 1.0. In Birds of the World (J. del Hoyo, A. Elliott, J. Sargatal, D. A. Christie, and E. de Juana, Editors). Cornell Lab of Ornithology, Ithaca, NY, USA. https://doi.org/10.2173/bow.rebhaw2.01