SPECIES

Retz's Helmetshrike Prionops retzii

David Allan
Version: 1.0 — Published March 4, 2020
Text last updated October 15, 2014
Originally Appeared in

Revision History

Birds of the World

Authors

David Allan

Recommended Citation

Allan, D. (2020). Retz's Helmetshrike (Prionops retzii), 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.rethel1.01


Handbook of the Birds of the World

Authors

David Allan

Recommended Citation

Allan, D. (2014). Retz's Helmetshrike (Prionops retzii). 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

Allan, D. (2020). Retz's Helmetshrike (Prionops retzii), 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.rethel1.01