Endemic bird areas. Of the 10,000 species of birds in the world, more than 2500 species have restricted ranges of less than 50,000 km2; an area roughly the size of the state of Campeche or Costa Rica. 218 regions (Known as Endemic Bird Areas, EBAs), containing two or more of these restricted species, have been identified worldwide. Due to their limited distribution, over half of these species are considered at risk.
In Mexico, 22 EBAs have been identified: California, Baja California, Guadalupe Island, Socorro Island, the Pacific Northwest slope, coastal scrublands of southern Veracruz, Sierra Madre Occidental and the Neovolcanic axis, Southern Mexican karst forests, Wetlands of Central Mexico, Eastern Yucatan, Balsas region and the interior of Oaxaca, Clarion Island, Sierra Madre del Sur, Northern Sierra Madre Oriental, Northeast slope of the Gulf of Mexico, Southern Sierra Madre Oriental, Los Tuxtlas and Uxpanapa, Isthmus of Tehuantepec, coastal |
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