Green-bellied Hummingbird vs Allen's Hummingbird
Saucerottia viridigaster 比較対象 Selasphorus sasin
Side-by-Side Comparison
| 属性 | Green-bellied Hummingbird | Allen's Hummingbird |
|---|---|---|
| 学名 | Saucerottia viridigaster | Selasphorus sasin |
| 目 | Caprimulgiformes | Caprimulgiformes |
| 科 | Trochilidae | Trochilidae |
| 保全状況 | Least Concern | Least Concern |
| 体長 | — | — |
| 翼開長 | — | 8.1 cm (3.2 in) |
| 体重 | 4.366666666666666 g (0.15 oz) | 3.1500000000000004 g (0.11 oz) |
| 食性 | Nectarivore of Andean foothills in Colombia and Venezuela; feeds at bromeliads and supplements with arthropods. | Feeds on nectar from coastal sage scrub and forest flowers in California. Supplements diet with … |
| 一腹卵数 | 2 | 2 |
| Population Trend | — | — |
Habitat Comparison
Song & Call Comparison
Green-bellied Hummingbird
Rough, grating chatter with coarse texture; harsh series of notes delivered emphatically during territorial encounter.
Allen's Hummingbird
Deep, resonant churring trill; prolonged low buzzing sound carrying well across broad coastal mangroves.
Geographic Range & Migration
Green-bellied Hummingbird
Found in Andean cloud forests from Colombia to Venezuela at 500-2,000 m. Resident in montane forest edges.
Allen's Hummingbird
Breeds along the Pacific coast from Oregon to southern California. Partial migrant; some Channel Islands populations resident year-round.
保全状況
Green-bellied Hummingbird
Allen's Hummingbird
How to Tell Them Apart
Green-bellied Hummingbird
Shining Bronze Coucal: glossy purple-blue sheen; chestnut wings; dark graduated tail; red eye; brilliant iridescence distinguishes it
Allen's Hummingbird
Fiery-throated Hummingbird (alt): males with brilliant multicolored gorget; metallic green above; females duller; pale buff below
About These Birds
Green-bellied Hummingbird
A medium-sized hummingbird (9-10 cm) found in Andean cloud forests from Colombia to Venezuela at 500-2,000 m. Green plumage with green belly. Nectarivore of montane forest edges and gardens. Taxonomy complex with several subspecies.
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.