Cabo Rojo National Wildlife Refuge (Spanish: Refugio Nacional de Vida Silvestre de Cabo Rojo) is an 1,836-acre National Wildlife Refuge located in southwestern Puerto Rico, in the municipality of Cabo Rojo. The refuge is a habitat for number of native bird species including the endangered yellow-shouldered blackbird, locally known as mariquita de Puerto Rico or capitán. Many birds find their way to the refuge while migrating between North and South America, and more than 118 bird species have been recorded near the area.