Calliope Hummingbird

Selasphorus calliope

Tiny, compact hummingbird with short tail. Males are distinctive with streaked magenta throat. Females very similar to several other hummingbird species, especially Broad-tailed. Note small size, short tail with almost no rusty color, finely spotted throat, and thin white line above base of bill. Generally uncommon. Breeds near clearings and edges in mountainous regions. Migrates south to Mexico and descends to lower elevations in winter. Visits sugar water feeders.

Identification

The calliope is the smallest breeding bird found in Canada and the United States. An adult calliope hummingbird can measure 7–10 cm (2.8–3.9 in) in length, span 11 cm (4.3 in) across the wings and weigh 2 to 3 g (0.071 to 0.106 oz).<p>Calliope hummingbirds have glossy green on the back and crown with white underparts. The adult male has wine-red streaks on the gorget, green flanks, and a dark tail. When an adult male is competing for territory or females, the dark red feathers of its gorget distend outwards to create a more distinct appearance. Females and immatures have a pinkish wash on the flanks, dark streaks on the throat and a dark tail with white tips. The only similar birds are the rufous hummingbird and the Allen's hummingbird, but these birds are larger with more distinct and contrasting rufous markings on the tail and flanks, and longer central tail feathers.

Taxonomy

Genus: Selasphorus; Family: Trochilidae; Order: Apodiformes.

Scientific name
Selasphorus calliope
Authority
(Gould, 1847)
Order
Apodiformes
Family
Trochilidae
Genus
Selasphorus

Range and habitat

The breeding habitat of calliope hummingbird is varied among open shrub habitats and altitudes. Nesting usually occurs at higher altitudes in the Rocky Mountains. Nests have been observed from as low as 600 ft (180 m) in Oregon and Washington elevation to the tree line at over 11,000 ft (3,400 m). In Montana, the minimum elevation observed for breeding is 1,200 m (3,900 ft). Open montane forest, mountain meadows, and willow and alder thickets may variously serve as breeding grounds. During migration and winter, they also occur in chaparral, lowland brushy areas, deserts and semi-desert regions. They nest in western North America from southern British Columbia and Alberta south to Colorado and southern California. During winter, they move mainly through Arizona and New Mexico and northern Mexico, to winter in southwestern Mexico.

Breeding range
NA : sw Canada and w USA
Non-breeding range
w Mexico
Migration
Complete migrants

Behavior

Migration pattern: Complete migrants.

Conservation

Population trend: rising.

Population trend
rising

Photos

Distribution

Bird Calls

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