探検鳥類

Red Knot

Calidris canutus

The Red Knot is a small shorebird known for its beautiful reddish-brown feathers during the breeding season. These birds are great at finding food on sandy beaches and love to travel long distances.

生息地: Coastal areas

外見

The Red Knot is a medium-sized shorebird, distinctive in breeding season with a brick-red face and belly contrasting with its grey-brown, mottled back. In winter, they appear plainer grey above and whitish below, maintaining a relatively short, dark bill and short legs.

AnimaliaChordataAvesCharadriiformesScolopacidaeCalidris
Red Knot
feathered trait badgesocial trait badgecoastal trait badgespeedster trait badge
Red Knot

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

Red Knots change their feather color dramatically between summer and winter!

Some Red Knots migrate from the Arctic all the way to the tip of South America!

Their epic journey makes them one of the animal kingdom's greatest travelers.

These amazing birds can fly for days and nights without stopping to rest.

特殊能力

能力

Marathon Migrator

Red Knots can fly astounding distances, over 15,000 km, because they cleverly store vast fat reserves for energy.

能力

Sensitive Snout

Red Knots have highly sensitive bills that help them feel for hidden clams and worms buried deep in the sand.

能力

Energy Economizer

Red Knots can temporarily shrink their digestive organs and flight muscles during migration, saving vital energy.

サイズと詳細

長さ
23-26 cm
翼開長
47-53 cm
体重
0.1-0.2 kg
寿命
10-20 年
Top Speed
65 km/h
一度の産卵数
3-4
抱卵期間
21-23 日
渡りの距離
15000 km

食性と食事

Red Knots slurp up tiny shellfish and worms from sandy shores, and eat insects in the Arctic.

主な食物

  • bivalves
  • marine worms
  • insect larvae
  • crustaceans

採餌方法

  • Foraging

生態系とのつながり

eaten by

Baltic Clam

Macoma balthica

Red Knots feast on these tiny clams along coastlines.

eaten by

Lugworm

Arenicola marina

Knots probe sandy shores to find these marine worms.

hunts

Peregrine Falcon

Falco peregrinus

A swift predator, the Peregrine Falcon hunts adult Knots.

eats

Great Black-backed Gull

Larus marinus

Gulls can prey on eggs and young Red Knots.

特徴

別名

Knot

コレクション

安全性

危険度

1/5 · 非常に低い

Always watch birds from a distance and do not disturb their nests.

よくある質問

Red Knotの長さは何ですか?

23-26 cm

Red Knotの翼開長は何ですか?

47-53 cm

Red Knotの体重は何ですか?

0.1-0.2 kg

Red Knotの寿命は何ですか?

10-20 年

Red Knotのtop Speedは何ですか?

65 km/h

Red Knotは何を食べますか?

Red Knots slurp up tiny shellfish and worms from sandy shores, and eat insects in the Arctic.

Red Knotは通常どこに生息していますか?

Coastal areas

Red Knotはどのように狩りをしますか?

Foraging

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