Distribution / Range
The Berylline Hummingbirds occur in the United States (Arizona, New Mexico, Texas), Mexico, Guatemala, El Salvador and Honduras. This hummingbird is essentially non-migratory.
They are endemic to the western and southern highlands and foothills of Mexico and northern Central America, south to Guatemala, El Salvador and Honduras. On the Atlantic Slope, it occurs locally from central Veracruz to Honduras.
They have only been few sightings in New Mexico.
The Berylline Hummingbird is medium-sized hummingbirdI with an length of 8 to 11 cm (3 - 4.25 inches) long and weighs 4-5 g (0.14 - 0.18 oz) . The male is slightly larger than the female.
It has a distinctive bright iridescent turquoise-green head, throat and chest that contrast against the darker cinnamon red wings and tail. The lower abdomen is buff to whitish-gray.
The tail is dark with a purple violet sheet. The undertail feathers can show a rufous tinge.
The bill is straight and slender. The upper bill is black and the lower bill is red-orange.
Adult Female: Similar to the male, but her plumage is duller.