SPECIES

Northern Hawk Owl Surnia ulula Scientific name definitions

James R. Duncan and Patricia A. Duncan
Version: 1.0 — Published March 4, 2020

Revision History

Birds of the World

Authors

James R. Duncan and Patricia A. Duncan

Recommended Citation

Duncan, J. R. and P. A. Duncan (2020). Northern Hawk Owl (Surnia ulula), version 1.0. In Birds of the World (S. M. Billerman, Editor). Cornell Lab of Ornithology, Ithaca, NY, USA. https://doi.org/10.2173/bow.nohowl.01


Birds of North America

  • Version  2.0

  • Revision
  • April 25, 2014
  • Northern Hawk Owl Surnia ulula

Authors

James R. Duncan and Patricia A. Duncan

Revisors

James R. Duncan and Patricia A. Duncan

Recommended Citation

Duncan, J. R. and P. A. Duncan (2014). Northern Hawk Owl (Surnia ulula), version 2.0. In The Birds of North America (A. F. Poole, Editor). Cornell Lab of Ornithology, Ithaca, NY, USA. https://doi.org/10.2173/bna.356

Recommended Citation

Duncan, J. R., and P. A. Duncan. 1998. Northern Hawk Owl (Surnia ulula). In The Birds of North America, No. 356 (A. Poole and F. Gill, eds.). The Birds of North America, Inc., Philadelphia, PA. https://doi.org/10.2173/tbna.356.p


Handbook of the Birds of the World

Authors

Denver W. Holt, Regan Berkley, Caroline Deppe, Paula L. Enríquez, Julie L. Petersen, José Luis Rangel Salazar, Kelley P. Segars, Kristin L. Wood, David Christie, and Jeffrey S. Marks

Revisors

David Christie and Jeffrey S. Marks

Recommended Citation

Holt, D. W., R. Berkley, C. Deppe, P. L. Enríquez, J. L. Petersen, J. L. Rangel Salazar, K. P. Segars, K. L. Wood, D. A. Christie, and J. S. Marks (2016). Northern Hawk-owl (Surnia ulula). 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

Duncan, J. R. and P. A. Duncan (2020). Northern Hawk Owl (Surnia ulula), version 1.0. In Birds of the World (S. M. Billerman, Editor). Cornell Lab of Ornithology, Ithaca, NY, USA. https://doi.org/10.2173/bow.nohowl.01