Copper-rumped Hummingbird vs Allen's Hummingbird
Saucerottia tobaci 比較対象 Selasphorus sasin
Side-by-Side Comparison
| 属性 | Copper-rumped Hummingbird | Allen's Hummingbird |
|---|---|---|
| 学名 | Saucerottia tobaci | 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 | 4.416666666666667 g (0.16 oz) | 3.1500000000000004 g (0.11 oz) |
| 食性 | Feeds on floral nectar in Trinidad and Tobago forest and gardens. Supplements diet with insects … | 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
Copper-rumped Hummingbird
Soft, liquid cascade of mellow notes; gentle flowing tones with subtle melodic variation in humid thicket.
Allen's Hummingbird
Deep, resonant churring trill; prolonged low buzzing sound carrying well across broad coastal mangroves.
Geographic Range & Migration
Copper-rumped Hummingbird
Found in Trinidad and Tobago and coastal northeastern Venezuela. Resident in gardens and 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
Copper-rumped Hummingbird
Allen's Hummingbird
How to Tell Them Apart
Copper-rumped Hummingbird
Green-billed Coucal: green bill; glossy black head; rufous wings; pale below; long dark tail; red eye; green bill distinctive
Allen's Hummingbird
Fiery-throated Hummingbird (alt): males with brilliant multicolored gorget; metallic green above; females duller; pale buff below
About These Birds
Copper-rumped Hummingbird
A medium-sized hummingbird (9-10 cm) found in Trinidad and Tobago and coastal northeastern Venezuela. Green plumage with a coppery rump. Nectarivore of gardens, forest edges, and plantations. One of the most common hummingbirds in Trinidad.
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.