беркут vs Mallard
Aquila chrysaetos в сравнении с Anas platyrhynchos
Side-by-Side Comparison
| Характеристика | беркут | Mallard |
|---|---|---|
| Научное название | Aquila chrysaetos | Anas platyrhynchos |
| Отряд | Accipitriformes | Anseriformes |
| Семейство | Accipitridae | Anatidae |
| Охранный статус | Least Concern | Least Concern |
| Длина | 81,0 cm (31.9 in) | 58,0 cm (22.8 in) |
| Размах крыльев | 212,0 cm (83.5 in) | 90,0 cm (35.4 in) |
| Масса | 4050,0 g (142.86 oz) | 1100,0 g (38.80 oz) |
| Питание | Mammals including rabbits, hares, ground squirrels, and marmots. Also takes birds, reptiles, and carrion. Hunts … | Omnivorous — aquatic plants, seeds, insects, crustaceans, and mollusks. Feeds by dabbling, upending, and grazing … |
| Размер кладки | 1-3 | 4-18 |
| Population Trend | — | — |
Size Comparison
Habitat Comparison
беркут
Open and semi-open country including mountains, hills, and tundra. Prefers areas with cliffs or large trees for nesting and open terrain for hunting.
Mallard
Nearly any wetland habitat including lakes, rivers, ponds, marshes, estuaries, and urban park ponds.
Song & Call Comparison
беркут
Mostly silent; emits a thin, high-pitched whistle 'kee-kee-kee' near the eyrie. Also gives low barking 'yak-yak' and mewing calls. Far less vocal than its size suggests.
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
беркут
Holarctic distribution across North America, Europe, North Africa, and Asia. The most widely distributed eagle species.
Mallard
Native across the Northern Hemisphere in North America, Europe, and Asia. Introduced to Australia and New Zealand.
Охранный статус
беркут
Mallard
How to Tell Them Apart
беркут
Dark brown overall with a golden-bronze sheen on the nape and crown. Juveniles show distinct white patches at the base of the tail and in the wings.
Dark horn-colored hooked bill with a yellow cere
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
беркут
The golden eagle is one of the most powerful and agile raptors in the Northern Hemisphere. Revered by many cultures, it has been used in falconry for centuries, particularly by Kazakh eagle hunters of Central Asia. Golden eagles can dive at speeds exceeding 240 km/h when pursuing prey.
Mallard
The mallard is the ancestor of most domestic duck breeds and the most abundant and widespread dabbling duck in the world. Males perform elaborate courtship displays including head-bobbing and whistle-grunt calls. Mallards are highly adaptable, thriving in both wilderness and urban environments.