Northern Fulmar vs White-chinned Petrel
Fulmarus glacialis เปรียบเทียบกับ Procellaria aequinoctialis
Side-by-Side Comparison
| คุณสมบัติ | Northern Fulmar | White-chinned Petrel |
|---|---|---|
| ชื่อวิทยาศาสตร์ | Fulmarus glacialis | Procellaria aequinoctialis |
| อันดับ | Procellariiformes | Procellariiformes |
| วงศ์ตระกูล | Procellariidae | Procellariidae |
| สถานะการอนุรักษ์ | Least Concern | Vulnerable |
| ความยาว | 47.0 cm (18.5 in) | — |
| กว้างปีก | 107.0 cm (42.1 in) | 76.5 cm (30.1 in) |
| น้ำหนัก | 750.0 g (26.46 oz) | 1432.5 g (50.53 oz) |
| อาหาร | Fish, squid, crustaceans, offal from fishing vessels, and zooplankton. Feeds by surface-seizing and shallow plunge-diving. | -- |
| จำนวนไข่ | 1 | 1 |
| Population Trend | — | — |
Size Comparison
Habitat Comparison
Northern Fulmar
Open ocean and sea cliffs. Breeds on cliff ledges and grassy slopes on northern coastlines. Pelagic outside breeding season.
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.
White-chinned Petrel
Geographic Range & Migration
Northern Fulmar
North Atlantic and North Pacific oceans. Breeds from the Arctic south to Britain, France, and New England.
White-chinned Petrel
สถานะการอนุรักษ์
Northern Fulmar
White-chinned Petrel
How to Tell Them Apart
Northern Fulmar
Light morph: white head and underparts with grey wings and back. Dark morph: entirely grey. Tube-nosed bill and stiff-winged flight distinctive at sea.
Yellowish hooked bill with prominent tubular nostrils on top
White-chinned 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.
White-chinned Petrel
51–58 cm, wingspan 134–147 cm. Large black petrel with distinctive white chin patch and ivory-yellow bill with black marks. Breeds South Georgia, Falklands, Prince Edward, Crozet, Kerguelen. Vulnerable; one of the most common longline bycatch victims in Southern Ocean.