Black-breasted Puffleg vs Allen's Hummingbird
Eriocnemis nigrivestis 비교 대상 Selasphorus sasin
Side-by-Side Comparison
| 속성 | Black-breasted Puffleg | Allen's Hummingbird |
|---|---|---|
| 학명 | Eriocnemis nigrivestis | Selasphorus sasin |
| 목 | Caprimulgiformes | Caprimulgiformes |
| 과 | Trochilidae | Trochilidae |
| 보전 상태 | Endangered | Least Concern |
| 체장 | — | — |
| 날개 폭 | 11.4 cm (4.5 in) | 8.1 cm (3.2 in) |
| 체중 | 4.449999999999999 g (0.16 oz) | 3.1500000000000004 g (0.11 oz) |
| 식성 | Nectarivore of Andean montane Ericaceae and epiphyte flowers; fluffy leg puffs visible during hover. Gleans … | 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
Black-breasted Puffleg
Soft, sustained hum barely audible; extremely faint low-frequency sound audible only at very close range.
Allen's Hummingbird
Deep, resonant churring trill; prolonged low buzzing sound carrying well across broad coastal mangroves.
Geographic Range & Migration
Black-breasted Puffleg
Endemic to the western Andes of Ecuador, primarily the Pichincha and Imbabura regions. 2,800–3,600 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
Black-breasted Puffleg
Allen's Hummingbird
How to Tell Them Apart
Black-breasted Puffleg
Violet-fronted Brilliant: males with glittering violet forehead; metallic green above; white belly; females green above; spotted below
Allen's Hummingbird
Fiery-throated Hummingbird (alt): males with brilliant multicolored gorget; metallic green above; females duller; pale buff below
About These Birds
Black-breasted Puffleg
에콰도르 북서부 안데스 해발 2,800~3,400m에 고유한 10~11cm 소형 벌새. 위기종; 심각한 서식지 파괴.
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.