Northern Fulmar vs Tahiti Petrel
Fulmarus glacialis 比較対象 Pseudobulweria rostrata
Side-by-Side Comparison
| 属性 | Northern Fulmar | Tahiti Petrel |
|---|---|---|
| 学名 | Fulmarus glacialis | Pseudobulweria rostrata |
| 目 | Procellariiformes | Procellariiformes |
| 科 | Procellariidae | Procellariidae |
| 保全状況 | Least Concern | Near Threatened |
| 体長 | 47.0 cm (18.5 in) | — |
| 翼開長 | 107.0 cm (42.1 in) | 56.5 cm (22.2 in) |
| 体重 | 750.0 g (26.46 oz) | 410.5 g (14.48 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 | 1 |
| Population Trend | — | — |
Size Comparison
Song & Call Comparison
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.
Tahiti Petrel
Geographic Range & Migration
Northern Fulmar
North Atlantic and North Pacific oceans. Breeds from the Arctic south to Britain, France, and New England.
Tahiti Petrel
保全状況
Northern Fulmar
Tahiti Petrel
How to Tell Them Apart
Northern Fulmar
Yellowish hooked bill with prominent tubular nostrils on top
Tahiti Petrel
About These Birds
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.
Tahiti Petrel
38–40 cm. Large, compact petrel; dark brown above with slightly paler head; whitish belly contrasting with dark breast. Breeds French Polynesia and New Caledonia; ranges in tropical Pacific. Feeds on squid and fish; Near Threatened; populations affected by introduced predators.