シロエリハゲワシ vs Mallard
Gyps fulvus 比較対象 Anas platyrhynchos
Side-by-Side Comparison
| 属性 | シロエリハゲワシ | Mallard |
|---|---|---|
| 学名 | Gyps fulvus | Anas platyrhynchos |
| 目 | Accipitriformes | Anseriformes |
| 科 | Accipitridae | Anatidae |
| 保全状況 | Least Concern | Least Concern |
| 体長 | 100.0 cm (39.4 in) | 58.0 cm (22.8 in) |
| 翼開長 | 260.0 cm (102.4 in) | 90.0 cm (35.4 in) |
| 体重 | 8500.0 g (299.83 oz) | 1100.0 g (38.80 oz) |
| 食性 | Exclusively carrion, primarily large mammal carcasses. Feeds communally, with groups of vultures able to strip … | Omnivorous — aquatic plants, seeds, insects, crustaceans, and mollusks. Feeds by dabbling, upending, and grazing … |
| 一腹卵数 | 1 | 4-18 |
| Population Trend | — | — |
Size Comparison
Habitat Comparison
シロエリハゲワシ
Mountains, cliffs, and open grasslands. Nests on cliff ledges in colonies. Requires thermals for soaring flight.
Mallard
Nearly any wetland habitat including lakes, rivers, ponds, marshes, estuaries, and urban park ponds.
Song & Call Comparison
シロエリハゲワシ
Generally silent; hisses and grunts at carrion with other vultures. Gives low croaking 'arrr' near nest. At colonies produces cackling and grunting — not melodic vocalizations.
Mallard
Female gives the classic 'quack-quack-quack', descending in pitch. Male utters soft nasal 'raeb-raeb'. Both give a high 'gag-gag-gag' when alarmed or taking flight.
Geographic Range & Migration
シロエリハゲワシ
Southern Europe, North Africa, the Middle East, and Central Asia. Resident in most of its range.
Mallard
Native across the Northern Hemisphere in North America, Europe, and Asia. Introduced to Australia and New Zealand.
保全状況
シロエリハゲワシ
Mallard
How to Tell Them Apart
シロエリハゲワシ
Tawny-brown body with darker flight feathers. White neck ruff and bare greyish head. Long broad wings held flat when soaring.
Hooked yellowish bill adapted for tearing carrion
Mallard
Breeding males have an iridescent green head, white neck ring, chestnut breast, and grey body. Females are mottled brown. Both sexes show a blue speculum bordered by white.
Broad, flat bill — yellow-green in males, orange-brown in females
About These Birds
シロエリハゲワシ
The griffon vulture is one of Europe's largest flying birds and a crucial scavenger in Mediterranean ecosystems. These social birds nest in large cliff colonies and can soar for hours using thermals without flapping. Vulture populations faced a crisis from the veterinary drug diclofenac, which proved fatal when consumed through contaminated carcasses.
Mallard
世界で最も一般的なカモ。雄は光沢のある緑色の頭、白い首輪、栗色の胸が特徴。体長50〜65cm。ほぼ世界中の湖、川、池、湿地に生息。雑食性で植物や無脊椎動物を食べる。多くの家禽カモの祖先。低危険種。