Bumblebee Hummingbird

Atthis heloisa




Hummingbirds (Trochilidae)

Code 4


Code 6



Egg Color:


Number of Eggs:


Incubation Days:

15 - 16

Egg Incubator:


Nest Location:

3-20 feet above the ground in the limb of a conifer.

Nest Material:

Lichen, spider webs, plant down, bark fiber, moss.





Bumblebee Hummingbird: One of the smallest hummingbirds at 2.75 inches with green upperparts, rufous sides, and white underparts. The gorget is violet-red and the rounded tail is green with a rufous base. Female has whitish throat with bold lines of dusky spots, and buff underparts with light rufous-washed sides. Juveniles resemble females, but the juvenile male has some pink on throat. This bird can hover in a horizontal position with it's tail cocked vertical as it feeds on nectar.

Range and Habitat

Bumblebee Hummingbird: Native to montane oak and pine forests of Mexico. Forages along the edges of humid and semi-humid forests. Found in the highlands of southeast Sinaloa and southwest Chihuahua south to Jalisco and in central Tamaulipas south to Guerrero and Oaxaca. Has occurred as a vagrant to Arizona in 1896.

Breeding and Nesting

Bumblebee Hummingbird: Two white eggs are laid in a cup-shaped nest of lichen, spider webs, plant down, bark fiber, and moss. Female builds the nest 3-20 feet above the ground in the limb of a conifer. Eggs are incubated by the female for 15-16 days. Young fledge at 18-22 days.

Foraging and Feeding

Bumblebee Hummingbird: Hovers to feed on nectar from flowers. Catches insects in midair, and plucks insects and spiders out of webs. Feeds and perches at low to mid-levels. This bird can hover in a horizontal position with its tail cocked vertical as it feeds on nectar.


Bumblebee Hummingbird: Has a high-pitched repetitive "chip" and a thin drawn-out "ssssssssiu" usually given by a perched bird.

Similar Species

Bumblebee Hummingbird: Calliope Hummingbird is smaller, male has violet and white streaked gorget, notched tail lacks rufous feathers with white tips, female has less white on tips and no rufous at base of tail feathers. Costa's Hummingbird has no rufous on base of tail, male has violet on crown and forehead, female has white underparts, lacks streaking on throat.


Belly, undertail coverts, chest, flanks, and foreneck.

Back, rump, hindneck, wings, and crown.
A small iridescent patch on the throat of a hummingbird.
Parts of a Standing bird X
Head Feathers and Markings X
Parts of a Flying bird X