Anna's Hummingbird

Calypte anna

LC Least ConcernFamily: Trochilidae

Overview

Anna's Hummingbird is a year-round resident of the Pacific Coast, making it the only hummingbird that doesn't migrate. Males display a brilliant rose-pink gorget that extends over the crown. They are known for their complex, buzzy songs — unusual among hummingbirds.

Length

9.9–10.9 cm (3.9–4.3 in)

Weight

3.4–6 g (0.12–0.21 oz)

Wingspan

12 cm (4.7 in)

Lifespan

Up to 8 years

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Fun Fact

“During courtship dives, Anna's Hummingbirds experience forces of up to 10 g — more than fighter jet pilots typically experience!”

Fascinating Facts

1
One of the only hummingbirds that sings a complex song
2
Year-round resident — doesn't migrate
3
Nests as early as December in California
4
Males dive at 385 body-lengths per second during display — one of the fastest animals relative to body size
5
Can enter torpor during cold nights to conserve energy
6
Population has greatly expanded northward since the 1930s