From Opus

Photo by Fritz73
Perito Moreno National Park, Santa Cruz, Argentina, 2001

Chroicocephalus maculipennis

Larus maculipennis

[edit] Identification

37cm

• Grey upperparts
• White underparts
• Brown hood
• White eye crescents
• White nape, neck and breast
• Grey-white wings
• Deep red bill and legs
  

Non-breeding
Photo by Rodrigo Reyes
Viña del Mar, Chile, June 2005

Non-breeding adult

• White head
• Dark spots behind the eye

[edit] Distribution

Southern South America : found in Ecuador, Bolivia, Brazil, Paraguay, Uruguay, Chile, Argentina and the Falkland Islands.

[edit] Taxonomy

This is a monotypic species^[1], which is sometimes placed in genus Larus.

[edit] Habitat

Humid forest, coast, rivers, lakes and marshes.

Photo by BirdsPeru
Buenos Aires, Argentina, October 2005

[edit] Behaviour

[edit] Breeding

They nest in a hollow lined with vegetation. The clutch consists of 2 to 4 eggs.

[edit] Diet

The diet includes marine invertebrates and small fish.

[edit] References

1. Clements, J. F., T. S. Schulenberg, M. J. Iliff, B.L. Sullivan, C. L. Wood, and D. Roberson. 2012. The eBird/Clements Checklist of Birds of the World. 6th ed., with updates to October 2012. Ithaca: Cornell Univ. Press. ISBN 978-0801445019. Spreadsheet available at http://www.birds.cornell.edu/clementschecklist/downloadable-clements-checklist
2. Avibase
3. Arthur Grosset
4. Birds of the Falkland Islands

• List of references

[edit] External Links