Buller's Shearwater

Puffinus bulleriOrder: PROCELLARIIFORMESFamily: Petrels and Shearwaters (Procellariidae)
Buller's Shearwater Portrait
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Range Map for Buller's Shearwater

Overview

Buller’s Shearwater: Medium shearwater, gray upperparts, white underparts. Head has white face, black cap, black bill. Tail is black. Legs and feet are pink. Dark gray M-pattern is visible across upperwings and back in flight. Alternates deep steady wing beats with long glides. Soars in high winds.

Range and Habitat

Buller's Shearwater: Breeds on islands near New Zealand; summer visitor to north Pacific, appearing off west coast from Aleutian Islands south to California. Pelagic, comes ashore only to breed.

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Listen:

Voice Text

Generally silent

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Related Birds:

Black-vented Shearwater
Greater Shearwater
Cook's Petrel
Streaked Shearwater
Manx Shearwater
Wedge-tailed Shearwater
.

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Family Shearwater (Procellariidae)_blue
Species Puffinus bulleri
Length16 Inches
Wingspan38 Inches

Buller's Shearwater

Buller’s Shearwater: Medium shearwater, gray upperparts, white underparts. Head has white face, black cap, black bill. Tail is black. Legs and feet are pink. Dark gray M-pattern is visible across upperwings and back in flight. Alternates deep steady wing beats with long glides. Soars in high winds.

● Song: Generally silent

● Foraging & Feeding: Buller's Shearwater: Feeds on krill, small fish, squid, and jellyfish. Lands on water to pick up food from surface; sometimes ducks head beneath to snatch food.

● Breeding & nesting: Buller's Shearwater: One white egg is laid in a burrow or rock crevice lined with leaves, twigs, and pebbles. Both parents incubate the egg for 51 days.

● Similar species: Buller's Shearwater: Black-vented Shearwater is smaller and has plain upperwings.

Flight Pattern

Deep, strong wing beats with long glides., In strong winds soars, banks, and skims the surface, rarely beating wings.
Buller's Shearwater Body Illustration
● Range & Habitat: Buller's Shearwater: Breeds on islands near New Zealand; summer visitor to north Pacific, appearing off west coast from Aleutian Islands south to California. Pelagic, comes ashore only to breed.
BreedingMonogamous, Colonial
PopulationYes but uncommon
MigrationMigratory
Weight30.4 Ounces