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.

Baja Califormia