Puerto Rican vireo
The Puerto Rican vireo is a small bird endemic to the archipelago of Puerto Rico and one of the 31 species belonging to the genus Vireo of the family Vireonidae. Its local name is bien-te-veo, not to be confused with the unrelated great kiskadee - also known as bien-te-veo - which is found elsewhere.
The Puerto Rican vireo has a gray head, a white breast and a yellowish belly. The species measures, on average, 12 cm and weighs from 11 to 12 grams.
An insectivore, the species's diet consists of grasshoppers, caterpillars, cicadas, beetles and aphids and is complemented with spiders, anoles, and berries.
From 1973 until at least 1996, the species suffered a population decline in the Guánica State Forest. The primary reason for this decline was brood parasitism by the shiny cowbird.
