オカメインコ vs Mallard
Nymphicus hollandicus 比較対象 Anas platyrhynchos
Side-by-Side Comparison
| 属性 | オカメインコ | Mallard |
|---|---|---|
| 学名 | Nymphicus hollandicus | Anas platyrhynchos |
| 目 | Psittaciformes | Anseriformes |
| 科 | Cacatuidae | Anatidae |
| 保全状況 | Least Concern | Least Concern |
| 体長 | 32.0 cm (12.6 in) | 58.0 cm (22.8 in) |
| 翼開長 | 40.0 cm (15.7 in) | 90.0 cm (35.4 in) |
| 体重 | 90.0 g (3.17 oz) | 1100.0 g (38.80 oz) |
| 食性 | Seeds, grain, berries, and plant material. Forages on the ground in open areas. In captivity, … | Omnivorous — aquatic plants, seeds, insects, crustaceans, and mollusks. Feeds by dabbling, upending, and grazing … |
| 一腹卵数 | 1-7 | 4-18 |
| Population Trend | — | — |
Size Comparison
Habitat Comparison
オカメインコ
Open arid and semi-arid habitats including scrubland, farmland, and woodland near water in Australia.
Mallard
Nearly any wetland habitat including lakes, rivers, ponds, marshes, estuaries, and urban park ponds.
Song & Call Comparison
オカメインコ
A loud, whistled 'weet' or 'weeeet'. Males whistle a melodic series; contact call is a high nasal 'ny'. Capable of mimicry in captivity. Song is relatively simple but pleasant.
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
オカメインコ
Interior of Australia, generally avoiding coastal areas. The second most popular pet bird worldwide.
Mallard
Native across the Northern Hemisphere in North America, Europe, and Asia. Introduced to Australia and New Zealand.
保全状況
オカメインコ
Mallard
How to Tell Them Apart
オカメインコ
Wild-type males are grey with white wing patches, a yellow face, and bright orange cheek patches. Females are duller with barred tail undersides. Many captive color mutations exist.
Short, curved, grey bill
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
オカメインコ
The cockatiel is the smallest member of the cockatoo family and one of the most popular pet birds globally. These gentle, intelligent parrots can learn to whistle tunes and mimic sounds. Wild cockatiels are nomadic, traveling in flocks following food and water availability across the Australian outback.
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。