Hummingbirds (Trochilidae)

Costa's Hummingbird

Calypte costae. Desert nectar and insects.

Hummingbirds (Trochilidae)Costa's HummingbirdCalypte costae
Scientific name
Calypte costae
Length
3–3.5 in
Weight
0.1 oz
Nest
Cup in desert shrubs or cacti
Entrance hole
Does not use nest boxes
Clutch
2 eggs
Incubation
15–18 days
Broods
1–2 per season

Identification

  • Male violet crown and long purple gorget 'mustache'
  • Small with short tail
  • Female grey-green with white underparts

Voice

High, thin whistle.

Diet and feeding

Costa's Hummingbirds by state and province

RegionStatusNesting
ArizonaYear-round residentJanuary–May
CaliforniaYear-round residentJanuary–May
NevadaSummer breederFebruary–May
New MexicoSummer breederFebruary–May
UtahSummer breederFebruary–May

Frequently asked

What do Costa's hummingbirds eat?

Desert nectar and insects. At feeders: sugar water 1:4.

How big is a Costa's Hummingbird?

3–3.5 in long and 0.1 oz.

Do Costa's hummingbirds use birdhouses?

No. Cup in desert shrubs or cacti.

Sources

  1. Costa's Hummingbird — All About Birds, Cornell Lab of Ornithology
  2. Costa's Hummingbird life history — Cornell Lab of Ornithology
  3. Costa's Hummingbird — Audubon Guide to North American Birds

Timing reflects typical patterns for the region as a whole; local dates vary with elevation and year. Check the linked eBird bar charts for your county.