Streaked Shearwater

Calonectris leucomelas

Order

PROCELLARIIFORMES

Family

Petrels and Shearwaters (Procellariidae)

Code 4

STRS

Code 6

CALLEU

ITIS

Breeding Location:

Islands, grassy

Breeding Type:

Monogamous, Colonial

Breeding Population:

Abundant on breeding grounds, Rare in North America

Egg Color:

White

Number of Eggs:

Incubation Days:

Egg Incubator:

Both sexes

Nest Material:

No material added to nest.

Migration:

Migratory

RECOMMENDED PRODUCTS

General

Streaked Shearwater: Large shearwater with scaled, dark gray-brown upperparts and white underparts. White head has variable light to heavy pale brown streaks. Uppertail coverts are sometimes white, forming a pale "horseshoe." Forehead is white. Bill is pale. Legs and feet are pink. Sexes are similar.

Range and Habitat

Streaked Shearwater: Breeds in large numbers on islands of southern Japan. In autumn may be seen in Hawaii and, occasionally, off the coast of California. Pelagic, comes ashore only to breed.

Breeding and Nesting

Streaked Shearwater: One white egg is laid in a burrow. Incubation ranges from 47 to 58 days and is carried out by both parents.

Foraging and Feeding

Streaked Shearwater: Feeds on small fish and squid. Plunge dives in shallow water for food or swoops down to snatch prey from the water surface.

Vocalization

Streaked Shearwater: Silent at sea.

Similar Species

Streaked Shearwater: Cory's Shearwater lacks streaks on head and distinctive, dark- streaked patch on underwing.

Percevia^® Registered in the U.S. Patent and Trademark Office.

The Percevia field guides, database and search protocol patent pending.

The best bird guide and bird watching search engine to identify birds!

Bird Call Credits: The Macaulay Library of Natural Sounds at the Cornell Lab of Ornithology. Martyn Stewart, http://www.naturesound.org, Redmond, Washington USA. The reuse or copying of bird calls in this database is strictly forbidden2.

Field Guide to Birds of North America