Isla Rasa

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Isla Rasa

  • Country: 
  • Site number: 
  • Area: 
    66 ha
  • Designation date: 
  • Coordinates: 
    28°49'N 112°58'W
Materials presented on this website, particularly maps and territorial information, are as-is and as-available based on available data and do not imply the expression of any opinion whatsoever on the part of the Secretariat of the Ramsar Convention concerning the legal status of any country, territory, city or area, or of its authorities, or concerning the delimitation of its frontiers or boundaries.


Isla Rasa. 02/02/06; Baja California; 66 ha; 28°49'N 112°59'W. An island of volcanic origin with 3 coastal lagoons, located in a zone of high marine productivity. Over 80 species of terrestrial, land and marine bird species have been registered on the island and its surroundings, and according to some authors this site hosts almost the whole population of the Heermann's gull (Larus heermanni) and elegant tern (Sterna elegans), with tens of thousands of individuals in each case. The island also hosts two endemic reptile species: a gecko and a lizard (Uta stansburiana), but no native mammals. The exotic rodents Rattus rattus and Mus musculus, introduced in the late 19th and early 20th centuries, were successfully eradicated from the island in 1995. Ramsar site no. 1603. Most recent RIS information: 2006.

Administrative region: 
Baja Califormia

  • National legal designation: 
    • Área de Protección de Flora y Fauna - Islas del Golfo de California
  • Last publication date: 


Ramsar Information Sheet (RIS)