Steely-vented Hummingbird vs Allen's Hummingbird
Saucerottia saucerottei 对比 Selasphorus sasin
Side-by-Side Comparison
| 属性 | Steely-vented Hummingbird | Allen's Hummingbird |
|---|---|---|
| 学名 | Saucerottia saucerottei | Selasphorus sasin |
| 目 | Caprimulgiformes | Caprimulgiformes |
| 科 | Trochilidae | Trochilidae |
| 保护状况 | Least Concern | Least Concern |
| 体长 | — | — |
| 翼展 | — | 8.1 cm (3.2 in) |
| 体重 | 4.45 g (0.16 oz) | 3.1500000000000004 g (0.11 oz) |
| 食性 | Nectarivore of Colombian Caribbean lowlands, visiting diverse flowering trees. Supplements with insects and spiders. | Feeds on nectar from coastal sage scrub and forest flowers in California. Supplements diet with … |
| 产卵数 | 2 | 2 |
| Population Trend | — | — |
Habitat Comparison
Song & Call Comparison
Steely-vented Hummingbird
Thin, high-pitched twittering barely perceptible; delicate notes cascading gently near high-elevation flowers.
Allen's Hummingbird
Deep, resonant churring trill; prolonged low buzzing sound carrying well across broad coastal mangroves.
Geographic Range & Migration
Steely-vented Hummingbird
Found in varied habitats from Colombia to Venezuela. Resident in forest edges, gardens, and open country.
Allen's Hummingbird
Breeds along the Pacific coast from Oregon to southern California. Partial migrant; some Channel Islands populations resident year-round.
保护状况
Steely-vented Hummingbird
Allen's Hummingbird
How to Tell Them Apart
Steely-vented Hummingbird
Greater Coucal: glossy blue-black head and underparts; rich chestnut wings; red eye; long graduated black tail; sexually similar
Allen's Hummingbird
Fiery-throated Hummingbird (alt): males with brilliant multicolored gorget; metallic green above; females duller; pale buff below
About These Birds
Steely-vented Hummingbird
A medium-sized hummingbird (9-10 cm) found in varied habitats from Colombia to Venezuela. Green plumage with a steely-blue vent. Nectarivore of forest edges, gardens, and open country. One of the most common garden hummingbirds in northern South America.
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.