[image ID: a drab songbird, with a gray head and white eyering surrounding a dark eye. the bill is blue-gray. the throat and belly are white. end ID]
Macaulay Library ML260988411; © Andrew Spencer; Dolores, Colorado, United States
Scientific Name: Vireo vicinior
IUCN Rating: Least Concern
Habitat & Location: found in pinyon-juniper, mesquite and oak scrub, and chaparral of the Southwest; overwinter in Sonora and Baja California Sur and a portion of western Texas
Fun Fact: Overwintering birds sometimes pair up and guard a territory, which is unusual for migrating birds
[image ID: a map of the Southwest United States and northern Mexico. colored red, which denotes breeding range, is a portion of the 4-corners, with most of that area in Arizona and New Mexico. other red portions are literal spots in California, Baja California, and Coahuila. the blue portion, denoting overwintering range, is in southern Arizona, Sonora, and Baja California Sur. there is a portion in Texas near Big Bend which is colored purple to show year-round residence. there is also a portion of blue to the west and a strip of red to the east near this section. end ID]
Image Sources: bird (Phil Chaon); map (birds of the world)