Violet-throated Metaltail vs Allen's Hummingbird
Metallura baroni 비교 대상 Selasphorus sasin
Side-by-Side Comparison
| 속성 | Violet-throated Metaltail | Allen's Hummingbird |
|---|---|---|
| 학명 | Metallura baroni | Selasphorus sasin |
| 목 | Caprimulgiformes | Caprimulgiformes |
| 과 | Trochilidae | Trochilidae |
| 보전 상태 | Vulnerable | Least Concern |
| 체장 | — | — |
| 날개 폭 | 11.4 cm (4.5 in) | 8.1 cm (3.2 in) |
| 체중 | 4.4 g (0.16 oz) | 3.1500000000000004 g (0.11 oz) |
| 식성 | Nectarivore of Ecuadorian treeline vegetation; specialized for Ericaceae blooms above 3000 m. Catches small arthropods. | Feeds on nectar from coastal sage scrub and forest flowers in California. Supplements diet with … |
| 산란 수 | 2 | 2 |
| Population Trend | — | — |
Habitat Comparison
Song & Call Comparison
Violet-throated Metaltail
Melodic, flute-like phrase with clear quality; smooth notes flowing pleasantly in quiet sequence at forest edge.
Allen's Hummingbird
Deep, resonant churring trill; prolonged low buzzing sound carrying well across broad coastal mangroves.
Geographic Range & Migration
Violet-throated Metaltail
Endemic to a tiny area in the Cajas plateau region of southwestern Ecuador. 3,000–4,200 m. Critically endangered.
Allen's Hummingbird
Breeds along the Pacific coast from Oregon to southern California. Partial migrant; some Channel Islands populations resident year-round.
보전 상태
Violet-throated Metaltail
Allen's Hummingbird
How to Tell Them Apart
Violet-throated Metaltail
Green-throated Mountain-gem: males with glittering green gorget; metallic green above; white underparts; females green above; spotted
Allen's Hummingbird
Fiery-throated Hummingbird (alt): males with brilliant multicolored gorget; metallic green above; females duller; pale buff below
About These Birds
Violet-throated Metaltail
소형 벌새로 체장 약 10cm이며, 수컷은 광택 있는 초록에 자주빛 보석색 목과 동색 꽁지를 갖는다. 에콰도르 남부 고지대 관목지에만 서식하는 희귀 고유종이다. 꽃의 꿀을 빨아 먹는다. 위기에 처한 상태이다.
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.