Copper-rumped Hummingbird vs Allen's Hummingbird
Saucerottia tobaci เปรียบเทียบกับ Selasphorus sasin
Side-by-Side Comparison
| คุณสมบัติ | Copper-rumped Hummingbird | Allen's Hummingbird |
|---|---|---|
| ชื่อวิทยาศาสตร์ | Saucerottia tobaci | Selasphorus sasin |
| อันดับ | Caprimulgiformes | Caprimulgiformes |
| วงศ์ตระกูล | Trochilidae | Trochilidae |
| สถานะการอนุรักษ์ | Least Concern | Least Concern |
| ความยาว | — | — |
| กว้างปีก | — | 8.1 cm (3.2 in) |
| น้ำหนัก | 4.416666666666667 g (0.16 oz) | 3.1500000000000004 g (0.11 oz) |
| อาหาร | 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 … |
| จำนวนไข่ | 2 | 2 |
| Population Trend | — | — |
Habitat Comparison
ถิ่นที่อยู่อาศัยร่วมกัน
Copper-rumped Hummingbird only
ไม่มี
Allen's Hummingbird only
ไม่มี
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.
สถานะการอนุรักษ์
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.