Common Teal vs African Black Duck
Anas crecca 비교 대상 Anas sparsa
Side-by-Side Comparison
| 속성 | Common Teal | African Black Duck |
|---|---|---|
| 학명 | Anas crecca | Anas sparsa |
| 목 | Anseriformes | Anseriformes |
| 과 | Anatidae | Anatidae |
| 보전 상태 | Least Concern | Least Concern |
| 체장 | — | — |
| 날개 폭 | 36.1 cm (14.2 in) | 49.5 cm (19.5 in) |
| 체중 | 325.0 g (11.46 oz) | 996.8333333333334 g (35.16 oz) |
| 식성 | Dives for molluscs, crustaceans, and aquatic invertebrates; diet dominated by hard-shelled prey in coastal and … | Eats molluscs, crustaceans, and aquatic invertebrates; dives in coastal and freshwater habitats; diet heavier in … |
| 산란 수 | 8-11 | 4-9 |
| Population Trend | — | — |
Habitat Comparison
Common Teal
Breeds on boreal and subarctic freshwater marshes, lakes, and bogs across Eurasia. Winters on freshwater lakes, estuaries, rice paddies, and coastal marshes from northwest Europe and Africa east to Southeast Asia.
African Black Duck
Fast-flowing rocky rivers and streams, mountain gorges, and waterfalls from sea level to 4,000 m across sub-Saharan Africa from Ethiopia and Kenya south to the Cape. Requires clear turbulent water with boulders.
Song & Call Comparison
Common Teal
Male gives a ringing, bell-like krick call; female produces a soft, descending quack. The male's crystalline high note is a hallmark sound of Eurasian wetlands; flocks produce a musical tinkling …
African Black Duck
Produces a harsh, resonant quacking call; alarm is a loud, emphatic quack repeated rapidly. Both sexes call with strong quacking; pairs duet with synchronized calls along African rivers.
Geographic Range & Migration
Common Teal
Breeds in sub-Arctic and boreal Canada and Alaska; winters along the Pacific coast from Alaska to southern California.
African Black Duck
Resident across South and Southeast Asia, from India to southern China and the Philippines. Non-migratory in most of its range.
보전 상태
Common Teal
African Black Duck
How to Tell Them Apart
Common Teal
Males have chestnut head with iridescent green eye patch bordered cream. Gray body with horizontal white shoulder stripe. Cream and black undertail. Females mottled brown. Small and fast-flying. Iridescent green …
African Black Duck
Dark blackish-brown plumage with bold white spots on back and scapulars. Iridescent blue-green speculum with white borders. Head dark with pale spots. Bill and legs dark gray. Sexes similar. Fast-flowing …
About These Birds
Common Teal
작고 단단한 표면 먹이 오리. 수컷은 밤색 머리에 넓은 메탈릭 초록 눈 줄무늬, 섬세한 회색 몸통, 초록-검은 날개, 노란 꼬리 반점이 있다. 유라시아와 북미 전역에서 번식하고 남쪽으로 이동한다.
African Black Duck
아프리카 검정 오리는 사하라 이남 아프리카의 산간 하천과 개울에 서식하는 중간 크기의 오리입니다. 어두운 갈색 깃털과 흰색 반점이 특징이며, 빠르게 흐르는 물에 적응되어 있습니다.