• Welcome to BirdForum, the internet's largest birding community with thousands of members from all over the world. The forums are dedicated to wild birds, birding, binoculars and equipment and all that goes with it.

    Please register for an account to take part in the discussions in the forum, post your pictures in the gallery and more.
ZEISS DTI thermal imaging cameras. For more discoveries at night, and during the day.

Guanay Cormorant - BirdForum Opus

Photo by Peter Bono
Islas Ballesteras, off Paracas, central Peru, March 2002
Leucocarbo bougainvillii

Phalacrocorax bougainvillii


71–76 cm (28-30 in)

  • Erectile crest
  • Black head, neck, back and uppertail-coverts
  • Red eye


Photo by Rodrigo Reyes
Quintero, Chile, November 2006

South America: found on seacoasts and islands off Peru and Chile


This is a monotypic species[1].

Sometimes placed in genus Phalacrocorax.


Islands and sea shores. They feed in colder waters of the Humboldt current.


Juvenile (lacks red eye)
Photo by Peter de Haas
Isla ballestas, Peru, January 2007


Their main diet consists of fish, which they hunt by diving.

In Culture

This common Humboldt Current species deposits by far the most guano which was harvested in the 19th and 20th centuries.


  1. Clements, JF. 2008. The Clements Checklist of Birds of the World. 6th ed., with updates to December 2008. Ithaca: Cornell Univ. Press. ISBN 978-0801445019.
  2. Avibase

Recommended Citation

External Links