Buller's Shearwater

Puffinus bulleriOrder: PROCELLARIIFORMESFamily: Petrels and Shearwaters (Procellariidae)

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Bird Call Credits: The Macaulay Library of Natural Sounds at the Cornell Lab of Ornithology. Martyn Stewart, Redmond, Washington USA. The reuse or copying of bird calls in this database is strictly forbidden.

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.

● 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

Field Guide to Birds of North America
Bird name:

Field Guide to Birds of North America