Oasis Hummingbird
NameOasis Hummingbird
Common NameCosta's Hummingbird
Scientific NameCalypte costae
FamilyTrochilidae
Wingspan (cm)10.5
Length (cm)8.25
Weight (g)2.5
Plumage DetailsMales display an iridescent amethyst-purple gorget that flares out at the sides, extending to a purple crown. Their upperparts are dull metallic green, and underparts are whitish with green flanks. Females have metallic green upperparts and whitish underparts, sometimes with a faint hint of iridescent purple on the throat.
Vocalization / CallMales produce a distinctive high-pitched, thin whistle during their display dive, often described as a 'squeaky-toy' sound. Other vocalizations include soft chips and buzzes.
Primary Dietnectarivore
Primary Habitatsdesert
Conservation Statusleast-concern
Geographic RangePrimarily found in the southwestern United States, including southern California, Arizona, and Nevada, extending into Baja California, Mexico. Some populations undertake seasonal migrations.
Identifying FeaturesMale's iridescent amethyst-purple gorget and crown, Small size with a relatively short tail, High-pitched, thin whistle call of the male, Preference for arid and desert habitats
Description
This small hummingbird is characterized by the male's striking iridescent amethyst-purple gorget and crown. It is an agile flyer, frequently seen hovering to feed on nectar from desert flowers. Females are duller, with metallic green upperparts and whitish underparts.
