Wedge-tailed Shearwater vs Northern Fulmar
Ardenna pacifica 비교 대상 Fulmarus glacialis
Side-by-Side Comparison
| 속성 | Wedge-tailed Shearwater | Northern Fulmar |
|---|---|---|
| 학명 | Ardenna pacifica | Fulmarus glacialis |
| 목 | Procellariiformes | Procellariiformes |
| 과 | Procellariidae | Procellariidae |
| 보전 상태 | Least Concern | Least Concern |
| 체장 | — | 47.0 cm (18.5 in) |
| 날개 폭 | 59.4 cm (23.4 in) | 107.0 cm (42.1 in) |
| 체중 | 435.0 g (15.34 oz) | 750.0 g (26.46 oz) |
| 식성 | -- | Fish, squid, crustaceans, offal from fishing vessels, and zooplankton. Feeds by surface-seizing and shallow plunge-diving. |
| 산란 수 | 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
Wedge-tailed Shearwater
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
Wedge-tailed Shearwater
Northern Fulmar
North Atlantic and North Pacific oceans. Breeds from the Arctic south to Britain, France, and New England.
보전 상태
Wedge-tailed Shearwater
Northern Fulmar
How to Tell Them Apart
Wedge-tailed Shearwater
Northern Fulmar
Yellowish hooked bill with prominent tubular nostrils on top
About These Birds
Wedge-tailed Shearwater
몸길이 38~46cm, 날개폭 97~105cm. 긴 쐐기형 꼬리가 식별 특징이며, 위면은 진갈색으로 아래면은 색변이형(어두운형 또는 흰가슴형). 열대 태평양 및 인도양 섬에서 번식. 바다에서 광범위하게 분포. 물고기와 오징어를 먹으며 참치 무리와 자주 어울립니다. 흔하고 넓게 분포합니다.
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.