Arenillas Ecological Reserve

Arenillas Ecological Reserve is a 17083ha protected area in Ecuador situated in the El Oro Province, in the Arenillas Canton and in the Huaquillas Canton.Known mammals in the reserve, according to a 1993 study include the Sechuran fox, the nine-banded armadillo, Robinson's mouse opossum, the Pacific spiny-rat, the jaguarundi, the tayra, the greater bulldog bat, the common vampire bat, the crab-eating raccoon and the Guayaquil squirrel . There are also 153 species of birds of which 35% are endemic. The reserve is a BirdLife International IBA with the following endangered birds: grey-cheeked parakeet, slaty becard, and blackish-headed spinetail .