Ashy Storm-Petrel

Oceanodroma homochroa

Order

PROCELLARIIFORMES

Family

Storm-Petrels (Hydrobatidae)

Code 4

ASSP

Code 6

OCEHOM

ITIS

Egg Color:

White, sometimes with faint red brown spots



Number of Eggs:

1



Incubation Days:

44 - 45



Egg Incubator:

Both sexes



Nest Location:

In burrow or on rocks.



Nest Material:

No material added to nest.



Migration:

Nonmigratory



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General

Ashy Storm-Petrel: Small seabird, gray-black overall with dark bill and forked tail. Gray wash on underwing coverts are visible at close range. Legs and feet are dark gray. Sexes are similar. Like other storm-petrels, this bird flits and flutters just above the water.

Range and Habitat

Ashy Storm-Petrel: Found on the islands off California and in the adjacent waters. This species' limited year-round range extends from Cape Mendocino, California, to northern Baja, just south of the United States and Mexico border. Pelagic, comes ashore only to breed on rocky islands among talus slopes, from just above sea level to the highest, interior portions of nesting islands.

Breeding and Nesting

Ashy Storm-Petrel: One white egg, sometimes with faint red brown spots, is laid in a burrow or under rocks or a bush. Incubation ranges from 44 to 45 days and is carried out by both parents.

Foraging and Feeding

Ashy Storm-Petrel: Feeds on small fish, squid, and crustaceans; forages by snatching prey from the ocean surface while in flight, usually at night.

Vocalization

Ashy Storm-Petrel: Silent at sea. On breeding grounds makes twittering and squeaking sounds.

Similar Species

Ashy Storm-Petrel: Black Storm-Petrel is larger and has deeper wing beats. Least Storm-Petrel is smaller and has shorter, wedge-shaped tail.

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PelagicX
The pelagic is a type of bird whose habitat is on the open ocean rather than in a coastal region or on inland bodies of water (lakes, rivers). An example of a pelagic bird is the blacklegged kittiwake.
Parts of a Standing bird X
Head Feathers and Markings X
Parts of a Flying bird X