探検鳥類

Lesser Scaup

Aythya affinis

The Lesser Scaup is a small duck with a round head and a beautiful blue bill. They love to swim in lakes and ponds, diving underwater to find tasty plants and small fish.

生息地: Wetlands

外見

The Lesser Scaup is a medium-sized diving duck. Males have a dark, purplish-glossed head, a grey back, and bright white sides. Females are duller brown with a distinct white patch at the base of their bill and a dark crown, making them visually different from similar ducks.

AnimaliaChordataAvesAnseriformesAnatidaeAythya
Lesser Scaup
feathered trait badgewebbed_feet trait badgesocial trait badgefilter_feeder trait badge
Lesser Scaup

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

Male Lesser Scaups perform a special head-toss display to attract a mate!

Some Lesser Scaups travel over 5,000 kilometers each year during their amazing migrations.

They are nicknamed "bluebills" because their unique bill often has a bluish-grey color!

They use their strong, flat bills like shovels to pry mussels and snails from the lakebed.

特殊能力

能力

Deep Dive Dynamo

Lesser Scaup can dive up to 20 feet because of their dense bones and powerful webbed feet that help them reach underwater food.

能力

Sonar Vision

Lesser Scaup has excellent underwater eyesight that helps them spot tiny mussels and aquatic insects in murky waters.

能力

Mega-Flock Formation

Lesser Scaup can gather in huge groups, called rafts, that helps them stay safe from predators and find food together.

サイズと詳細

長さ
38-48 cm
翼開長
68-76 cm
体重
0.7-1.2 kg
寿命
5-18 年
Top Speed
70 km/h
一度の産卵数
6-15
抱卵期間
21-27 日
渡りの距離
5000 km

食性と食事

They dive deep to feast on tasty shellfish and aquatic bugs from the bottom of lakes and ponds.

年齢による違い: Ducklings primarily eat aquatic insects, while adults consume more mollusks and some plant matter.

主な食物

  • Freshwater Mussels
  • Snails
  • Aquatic Insect Larvae
  • Small Crustaceans
  • Aquatic Plant Seeds

採餌方法

  • Pursuit

生態系とのつながり

eats

Zebra Mussel

Dreissena polymorpha

A major invasive food source

eats

Freshwater Mussel

Lampsilis siliquoidea

Key part of their natural diet

eaten by

Bald Eagle

Haliaeetus leucocephalus

Often preys on adult ducks

eaten by

American Mink

Mustela vison

Raids nests and eats ducklings

eats

Giant Water Beetle

Hydrophilus triangularis

Eats larvae of this species

特徴

別名

まだ別名はありません。

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 don't feed them bread.

よくある質問

Lesser Scaupの長さは何ですか?

38-48 cm

Lesser Scaupの翼開長は何ですか?

68-76 cm

Lesser Scaupの体重は何ですか?

0.7-1.2 kg

Lesser Scaupの寿命は何ですか?

5-18 年

Lesser Scaupのtop Speedは何ですか?

70 km/h

Lesser Scaupは何を食べますか?

They dive deep to feast on tasty shellfish and aquatic bugs from the bottom of lakes and ponds.

Lesser Scaupは通常どこに生息していますか?

Wetlands

Lesser Scaupはどのように狩りをしますか?

Pursuit

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