General Description: Calliope Hummingbirds (Stellula calliope) are tiny green and red birds with long bills that hover in front of flowers and feed on nectar. Calliope Hummingbirds are the smallest North American birds, and for hummingbirds, they have a short bill and short tail (the folded wings extend beyond the tip of the tail). Males have an iridescent gorget (throat feathers) formed of red stripes. Females have a white throat with lines of tiny red dots.

Taxonomy: Apodiformes, Trochilidae, Trochilinae.

Favored Habitat: Mountains to the west and north of Las Vegas.

Where to Find: Around Las Vegas, keep an eye out for them during migration, but don't expect to find then anywhere.

Comments: This species is a migrant through the Las Vegas area.