Azure-crowned Hummingbird vs Allen's Hummingbird
Saucerottia cyanocephala so với Selasphorus sasin
Side-by-Side Comparison
| Thuộc Tính | Azure-crowned Hummingbird | Allen's Hummingbird |
|---|---|---|
| Tên Khoa Học | Saucerottia cyanocephala | Selasphorus sasin |
| Bộ | Caprimulgiformes | Caprimulgiformes |
| Họ | Trochilidae | Trochilidae |
| Tình Trạng Bảo Tồn | Least Concern | Least Concern |
| Chiều Dài | — | — |
| Chiều Dài Sải Cánh | — | 8,1 cm (3.2 in) |
| Khối Lượng | 5,599999999999999 g (0.20 oz) | 3,1500000000000004 g (0.11 oz) |
| Chế Độ Ăn | Feeds on nectar from dry Mexican highlands; supplements with small insects and spiders gleaned from … | Feeds on nectar from coastal sage scrub and forest flowers in California. Supplements diet with … |
| Số Trứng | 2 | 2 |
| Population Trend | — | — |
Habitat Comparison
Song & Call Comparison
Azure-crowned Hummingbird
Rapid, light twittering with bright crystalline quality; airy notes cascading freely in animated aerial display.
Allen's Hummingbird
Deep, resonant churring trill; prolonged low buzzing sound carrying well across broad coastal mangroves.
Geographic Range & Migration
Azure-crowned Hummingbird
Found in humid montane forests from Mexico to Honduras at 800-2,500 m. Resident in Central American highlands.
Allen's Hummingbird
Breeds along the Pacific coast from Oregon to southern California. Partial migrant; some Channel Islands populations resident year-round.
Tình Trạng Bảo Tồn
Azure-crowned Hummingbird
Allen's Hummingbird
How to Tell Them Apart
Azure-crowned Hummingbird
Short-toed Coucal: shorter-tailed; dark brown above; rufous wings; buff below with dark streaking; red eye; secretive habits
Allen's Hummingbird
Fiery-throated Hummingbird (alt): males with brilliant multicolored gorget; metallic green above; females duller; pale buff below
About These Birds
Azure-crowned Hummingbird
A medium-sized hummingbird (10-11 cm) found in humid montane forests from Mexico to Honduras at 800-2,500 m. Green plumage with an azure-blue crown (males). Nectarivore of cloud forest edges and gardens. One of the most common highland hummingbirds in Mesoamerica.
Allen's Hummingbird
A small hummingbird (8-9 cm) breeding along the Pacific coast from Oregon to southern California. Males have an orange-red throat and rufous flanks. Closely related to Rufous Hummingbird. Partial migrant; some populations resident on Channel Islands. Named after Thomas Allen.