Neotropical migrants, such as the cerulean warbler, breed in North America and winter south of U.S. borders. Their conservation requires international cooperation to protect habitats throughout their ranges in North America, as well as Central and South America and the Caribbean. (Photo by Gerrit Vyn)
Neotropical migrants, such as the cerulean warbler, breed in North America and winter south of U.S. borders. Their conservation requires international cooperation to protect habitats throughout their ranges in North America, as well as Central and South America and the Caribbean. (Photo by Gerrit Vyn)
