Northern Giant Petrel vs Northern Fulmar
Macronectes halli 比較対象 Fulmarus glacialis
Side-by-Side Comparison
| 属性 | Northern Giant Petrel | Northern Fulmar |
|---|---|---|
| 学名 | Macronectes halli | Fulmarus glacialis |
| 目 | Procellariiformes | Procellariiformes |
| 科 | Procellariidae | Procellariidae |
| 保全状況 | Least Concern | Least Concern |
| 体長 | — | 47.0 cm (18.5 in) |
| 翼開長 | 99.6 cm (39.2 in) | 107.0 cm (42.1 in) |
| 体重 | 4362.5 g (153.88 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 | 1 |
| Population Trend | — | — |
Size Comparison
Song & Call Comparison
Northern Giant 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
Northern Giant Petrel
Northern Fulmar
North Atlantic and North Pacific oceans. Breeds from the Arctic south to Britain, France, and New England.
保全状況
Northern Giant Petrel
Northern Fulmar
How to Tell Them Apart
Northern Giant Petrel
Northern Fulmar
Yellowish hooked bill with prominent tubular nostrils on top
About These Birds
Northern Giant Petrel
80–95 cm, wingspan 150–200 cm. Resembles Southern Giant Petrel but bill tip is reddish-brown; lacks white morph. Breeds subantarctic islands (South Georgia, Macquarie, Auckland). Ranges north into subtropics; scavenges offal and carrion at sea. Near Threatened due to longline bycatch.
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.