Although it is federally protected and there has been an important surge in the least Bell's vireo population in Southern California, the bird remains susceptible to habitat destruction from the likes ...
An unmarked vireo, the warbling is most often ... Eastern and western birds might represent 2 separate species. Two additional subspecies in Mexico. Fall birds greenish above, often with extensive ...
This is a large, colorful vireo and a strong, though slow-paced, singer. It moves sluggishly, which combined with its camouflaged coloration, can make it difficult to locate high in the leaves of ...