ニシオオノスリ vs オウギワシ
Buteo rufinus 比較対象 Harpia harpyja
Side-by-Side Comparison
| 属性 | ニシオオノスリ | オウギワシ |
|---|---|---|
| 学名 | Buteo rufinus | Harpia harpyja |
| 目 | Accipitriformes | Accipitriformes |
| 科 | Accipitridae | Accipitridae |
| 保全状況 | Least Concern | Vulnerable |
| 体長 | — | 100.0 cm (39.4 in) |
| 翼開長 | 89.5 cm (35.2 in) | 200.0 cm (78.7 in) |
| 体重 | 1144.0 g (40.35 oz) | 7500.0 g (264.55 oz) |
| 食性 | -- | Arboreal mammals including sloths, monkeys, and opossums, which make up over 70% of the diet. … |
| 一腹卵数 | 2-4 | 2-3 |
| Population Trend | — | — |
Size Comparison
Body Length
ニシオオノスリ
—
オウギワシ
100.0 cm
翼開長
ニシオオノスリ
89.5 cm
オウギワシ
200.0 cm
体重
ニシオオノスリ
1144.0 g
オウギワシ
7500.0 g
Habitat Comparison
オウギワシ
Tropical lowland rainforests, requiring large tracts of continuous forest with tall emergent trees for nesting.
Song & Call Comparison
ニシオオノスリ
オウギワシ
さえずり
Rarely heard; emits mournful whistled screams 'wheee-oo' and low croaking grunts near the nest. Vocalizations poorly documented given its remote Amazonian habitat.
Geographic Range & Migration
ニシオオノスリ
オウギワシ
Central and South America from southern Mexico through Brazil and northern Argentina. Range is shrinking due to deforestation.
保全状況
Least Concern
ニシオオノスリ
Vulnerable
オウギワシ
How to Tell Them Apart
ニシオオノスリ
オウギワシ
羽毛
Slate-black upperparts and head with a pale grey breast and white underparts with black barring. A distinctive split grey crest rises when the bird is alarmed.
くちばし
Massive dark hooked bill, one of the largest of any eagle