Northern Fulmar vs Cape Verde Petrel

Fulmarus glacialis compared with Pterodroma feae

Side-by-Side Comparison

Attribute Northern Fulmar Cape Verde Petrel
Scientific Name Fulmarus glacialis Pterodroma feae
Order Procellariiformes Procellariiformes
Family Procellariidae Procellariidae
Conservation Status Least Concern Near Threatened
Length 47.0 cm (18.5 in)
Wingspan 107.0 cm (42.1 in) 51.0 cm (20.1 in)
Weight 750.0 g (26.46 oz) 303.0 g (10.69 oz)
Diet Fish, squid, crustaceans, offal from fishing vessels, and zooplankton. Feeds by surface-seizing and shallow plunge-diving. --
Clutch Size 1 1
Population Trend

Size Comparison

Body Length
Northern Fulmar 47.0 cm
Cape Verde Petrel
Wingspan
Northern Fulmar 107.0 cm
Cape Verde Petrel 51.0 cm
Weight
Northern Fulmar 750.0 g
Cape Verde Petrel 303.0 g

Song & Call Comparison

Northern Fulmar

Song

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.

Cape Verde Petrel

Geographic Range & Migration

Northern Fulmar

North Atlantic and North Pacific oceans. Breeds from the Arctic south to Britain, France, and New England.

Cape Verde Petrel

Conservation Status

Least Concern

Northern Fulmar

Near Threatened

Cape Verde Petrel

How to Tell Them Apart

Northern Fulmar

Bill

Yellowish hooked bill with prominent tubular nostrils on top

Cape Verde 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.

Cape Verde Petrel

33–37 cm. Grey-brown above with pale grey rump; white underparts with dark partial breast smudge. Breeds Cape Verde Islands; ranges across Atlantic Ocean. Closely related to Desertas and Zino's petrels; Vulnerable. Visits colonies only at night; feeds on squid and fish.

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