Least Auklet vs Long-billed Murrelet

Aethia pusilla 比較対象 Brachyramphus perdix

Side-by-Side Comparison

属性 Least Auklet Long-billed Murrelet
学名 Aethia pusilla Brachyramphus perdix
Charadriiformes Charadriiformes
Alcidae Alcidae
保全状況 Least Concern Near Threatened
体長
翼開長 18.9 cm (7.4 in) 26.9 cm (10.6 in)
体重 84.33333333333333 g (2.97 oz) 308.0 g (10.86 oz)
食性 -- --
一腹卵数 1 1
Population Trend

Habitat Comparison

共通生息地

Least Auklet only

None

Long-billed Murrelet only

None

保全状況

Least Concern

Least Auklet

Near Threatened

Long-billed Murrelet

About These Birds

Least Auklet

Least Auklet, 15–16 cm, is the smallest auk, breeding in immense colonies (millions) on rocky Aleutian and Bering Sea islands. Dark above, streaked white below; a tiny white plume above the eye. Planktivore; sieves copepods and euphausiids at sea. Makes loud buzzing display choruses at colony.

Long-billed Murrelet

ナガハシウミスズメは体長26〜28cmで、シベリアの原生林の内奥深くに生息し、苔むした木の枝の上に直接巣を作る—穴なし。それ以外は外洋で過ごし、東アジア沖で越冬する。魚食者;小魚を求めて潜水する。準絶滅危惧;アルシダエ科では珍しい営巣生態。

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