Jouanin's Petrel vs Northern Fulmar
Bulweria fallax 比較対象 Fulmarus glacialis
Side-by-Side Comparison
| 属性 | Jouanin's Petrel | Northern Fulmar |
|---|---|---|
| 学名 | Bulweria fallax | Fulmarus glacialis |
| 目 | Procellariiformes | Procellariiformes |
| 科 | Procellariidae | Procellariidae |
| 保全状況 | Near Threatened | Least Concern |
| 体長 | — | 47.0 cm (18.5 in) |
| 翼開長 | 48.2 cm (19.0 in) | 107.0 cm (42.1 in) |
| 体重 | 167.5 g (5.91 oz) | 750.0 g (26.46 oz) |
| 食性 | -- | Fish, squid, crustaceans, offal from fishing vessels, and zooplankton. Feeds by surface-seizing and shallow plunge-diving. |
| 一腹卵数 | -- | 1 |
| Population Trend | — | — |
Size Comparison
Song & Call Comparison
Jouanin's Petrel
Northern Fulmar
A nasal, cackling 'kak-kak-kak-kak' or grunting 'uh-uh-uh' at the nest and colony. Less melodic than petrels. In flight gives occasional single nasal calls.
Geographic Range & Migration
Jouanin's Petrel
Northern Fulmar
North Atlantic and North Pacific oceans. Breeds from the Arctic south to Britain, France, and New England.
保全状況
Jouanin's Petrel
Northern Fulmar
How to Tell Them Apart
Jouanin's Petrel
Northern Fulmar
Yellowish hooked bill with prominent tubular nostrils on top
About These Birds
Jouanin's Petrel
全長43〜45cm。バルウェリアミズナギドリより大型；全身煤けた褐色で楔形の尾と淡い翼の縞を持つ。アラビア海南部の島々（ソコトラ地域）で繁殖；インド洋に分布する。準絶滅危惧；研究が乏しい。烏賊と魚を食べる；薄暮と夜間に外洋で活動する。
Northern Fulmar
The northern fulmar is a long-lived seabird that can survive over 40 years. It defends its nest by projectile-vomiting a foul-smelling stomach oil at intruders, which can mat the feathers of predators and cause fatal loss of waterproofing. Fulmars have expanded their breeding range dramatically southward over the past two centuries.