May is the prime month across much of North America to celebrate the return of migratory birds from the tropics. Of all those coming back, it is the warblers that many birders eagerly await. And of the more than 50 species that brighten our spring, many gleam like precious stones. From the
For 20 years, Charlotte Goedsche studied the Cerulean Warblers that breed in the mountains near Asheville, North Carolina. And she learned some fascinating things! For example, Charlotte could identify individual Cerulean Warbler males like this one, by listening to their songs. She hopes
In winter, the Cerulean Warbler forages in tree-tops of the Andes Mountains. In May, at the other end of a 2,500-mile migration, the very same bird sings from the tree-tops in the Appalachian Mountains. The Cerulean Warbler is one of the most threatened birds in the US. American Bird
