Black-thighed Puffleg vs Allen's Hummingbird
Eriocnemis derbyi 比較対象 Selasphorus sasin
Side-by-Side Comparison
| 属性 | Black-thighed Puffleg | Allen's Hummingbird |
|---|---|---|
| 学名 | Eriocnemis derbyi | Selasphorus sasin |
| 目 | Caprimulgiformes | Caprimulgiformes |
| 科 | Trochilidae | Trochilidae |
| 保全状況 | Least Concern | Least Concern |
| 体長 | — | — |
| 翼開長 | 11.2 cm (4.4 in) | 8.1 cm (3.2 in) |
| 体重 | 5.25 g (0.19 oz) | 3.1500000000000004 g (0.11 oz) |
| 食性 | Nectarivore of Colombian Andes; visits dense Ericaceae patches at high elevations. Catches small insects in … | 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
Black-thighed Puffleg
Rapid, buzzy trill with slightly harsh quality; quick series of rough notes given persistently near territorial boundaries.
Allen's Hummingbird
Deep, resonant churring trill; prolonged low buzzing sound carrying well across broad coastal mangroves.
Geographic Range & Migration
Black-thighed Puffleg
Found in high Andean cloud forests and páramo from Colombia south through Ecuador to northern Peru. 2,400–3,600 m.
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
Black-thighed Puffleg
Allen's Hummingbird
About These Birds
Black-thighed Puffleg
コロンビアとエクアドルに生息するハチドリで、黒い太腿の羽毛が特徴。準絶滅危惧種に指定されている。
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.