Northern Fulmar vs Tahiti Petrel
Fulmarus glacialis в сравнении с Pseudobulweria rostrata
Side-by-Side Comparison
| Характеристика | Northern Fulmar | Tahiti Petrel |
|---|---|---|
| Научное название | Fulmarus glacialis | Pseudobulweria rostrata |
| Отряд | Procellariiformes | Procellariiformes |
| Семейство | Procellariidae | Procellariidae |
| Охранный статус | Least Concern | Near Threatened |
| Длина | 47,0 cm (18.5 in) | — |
| Размах крыльев | 107,0 cm (42.1 in) | 56,5 cm (22.2 in) |
| Масса | 750,0 g (26.46 oz) | 410,5 g (14.48 oz) |
| Питание | Fish, squid, crustaceans, offal from fishing vessels, and zooplankton. Feeds by surface-seizing and shallow plunge-diving. | -- |
| Размер кладки | 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
Охранный статус
Northern Fulmar
Tahiti 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
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.