The White-eared Hummingbird is rarely known to breed in the United States and they are usually found in the high tropical mountains.With this particular species the male weighs more then the female, with the male weighing 3.6 grams to the females weight of 3.2 grams.
The White-eared Hummingbird is known to winter in the mountains of Mexico.Although quite rare, this species of hummingbird has been observed in the following states:Arizona,Michigan,Mississippi,New Mexico,and Texas.
If you think you have seen a White-eared Hummingbird here is a brief description of what both the adult male and female looks like.Hopefully, this should help you with the identification process of the particular hummingbird you have just seen.
The adult male has an emerald green back and breast, purple crown, iridescent blue-green chin, prominent white ear stripe, red bill with black tip.
The adult female can be described as having the following: a green back and crown, white breast and sides with green streaks, prominent white ear stripe, and a red bill with black tip.