Predation by Cats on the Unique Endemic Lizard of Socorro Island (Urosaurus auriculatus), Revillagigedo, Mexico
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Citation:The Ohio Journal of Science. v93, n4 (September, 1993), 101-104
During 1990 the distributions of the endemic lizard (Urosaurus auriculatus^ and the feral cat (Felts catus) of Socorro Island were observed and scats of the last species were collected. A total of 46 cat scats were analyzed, showing that lizards were an important prey item, varying in frequency from 33.33% in February to 66.66% in November. Because of the impact of sheep (Ovis aries) on the natural vegetation and because of the impact of cat predation, we recommend that a plan be developed for the removal of exotic species and the restoration of natural vegetation to Socorro Island.
Author Institution: Centro de Investigaciones Biológicas de Baja California Sur, A.C.
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