探検鳥類

Knob-billed Duck

Sarkidiornis melanotos

The Knob-billed Duck is a unique bird with a big, funny knob on its bill! It loves to swim in lakes and rivers, and its beautiful feathers can be black and white.

生息地: Wetlands

外見

The Knob-billed Duck has an iridescent black back and head, contrasting with a clean white belly and grey flanks. Males feature a large, prominent black knob atop their bill, which is noticeably larger during the breeding season. Its large size and unique bill knob make it easily identifiable among other waterfowl.

AnimaliaChordataAvesAnseriformesAnatidaeSarkidiornis
Knob-billed Duck
feathered trait badgewebbed_feet trait badgesocial trait badgefilter_feeder trait badge
Knob-billed Duck

カテゴリ

鳥類

レア度

Common

危険度

1/5 · 非常に低い

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おもしろい事実

Males develop a dramatic, oversized knob on their bill when it's time to find a partner!

Sometimes, multiple female Knob-billed Ducks will share one giant nest for their eggs!

Their feathers shimmer with beautiful green and purple colors in the bright sunlight.

These ducks often lay their eggs in tree hollows, a very unusual nesting spot for ducks.

特殊能力

能力

Water Wizardry

Knob-billed Ducks can dive deep underwater to find food because of their strong, webbed feet that help them propel through the water.

能力

Magnet Mouth

The male Knob-billed Duck has a prominent fleshy knob on its bill that grows larger in breeding season, which helps attract a mate.

能力

High-Flying Power

Knob-billed Ducks possess strong wings and streamlined bodies that enable powerful, swift flight, helping them travel between wetland habitats.

サイズと詳細

長さ
56-76 cm
翼開長
105-145 cm
体重
1.2-2.9 kg
寿命
5-10 年
Top Speed
60 km/h
一度の産卵数
7-15
抱卵期間
28-30 日

食性と食事

They eat mostly plants, seeds, and aquatic insects found in wetland areas.

主な食物

  • aquatic plants
  • seeds
  • grasses
  • insect larvae
  • small fish
  • mollusks

採餌方法

  • Foraging

生態系とのつながり

eaten by

Nile Crocodile

Crocodylus niloticus

Large crocodiles sometimes prey on adult ducks or ducklings.

eaten by

African Fish Eagle

Haliaeetus vocifer

Fish eagles are powerful raptors that hunt ducks.

eats

Egyptian White Waterlily

Nymphaea lotus

Ducks consume seeds and parts of this common water plant.

eats

Rice

Oryza sativa

Found feeding on rice grains and sprouts in paddies.

特徴

別名

African Knob-billed Duck

コレクション

安全性

危険度

1/5 · 非常に低い

Always watch ducks from a distance and do not feed them bread.

よくある質問

Knob-billed Duckの長さは何ですか?

56-76 cm

Knob-billed Duckの翼開長は何ですか?

105-145 cm

Knob-billed Duckの体重は何ですか?

1.2-2.9 kg

Knob-billed Duckの寿命は何ですか?

5-10 年

Knob-billed Duckのtop Speedは何ですか?

60 km/h

Knob-billed Duckは何を食べますか?

They eat mostly plants, seeds, and aquatic insects found in wetland areas.

Knob-billed Duckは通常どこに生息していますか?

Wetlands

Knob-billed Duckはどのように狩りをしますか?

Foraging

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