Sooty Shearwater vs Balearic Shearwater

Ardenna grisea 比較対象 Puffinus mauretanicus

Side-by-Side Comparison

属性 Sooty Shearwater Balearic Shearwater
学名 Ardenna grisea Puffinus mauretanicus
Procellariiformes Procellariiformes
Procellariidae Procellariidae
保全状況 Near Threatened Critically Endangered
体長
翼開長 59.1 cm (23.3 in) 48.4 cm (19.1 in)
体重 814.0 g (28.71 oz) 514.8 g (18.16 oz)
食性 -- --
一腹卵数 1 1
Population Trend

Habitat Comparison

共通生息地

Sooty Shearwater only

Balearic Shearwater only

None

保全状況

Near Threatened

Sooty Shearwater

Critically Endangered

Balearic Shearwater

About These Birds

Sooty Shearwater

全長40〜51cm、翼開長94〜110cm。全身煤けた暗褐色で、翼下面に銀白色の閃光模様を持つ。ニュージーランドと南米南部で繁殖し、北太平洋・北大西洋へ動物界最長クラスの渡りを行う。魚・烏賊・オキアミを食べる。準絶滅危惧;数百万羽と推定される。

Balearic Shearwater

30–38 cm. Brown above; variably dirty-white to brown below; often shows brown smudging on flanks. Breeds only Balearic Islands, Spain. Critically Endangered with fewer than 3,000 pairs; faces extinction. Migrates to NE Atlantic; threatened by predators, fishing bycatch, and tourist development.

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