Wedge-rumped Storm-Petrel

Oceanodroma tethys

Order

PROCELLARIIFORMES

Family

Storm-Petrels (Hydrobatidae)

Code 4

WRSP

Code 6

OCETET

ITIS

ILLUSTRATION

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PHOTOS

CONSERVATION STATUS

Least Concern

The Wedge-rumped Storm-Petrel has a large range, estimated globally at 50,000 to 100,000 square kilometers. Native to Chile, Colombia, Peru, Ecuador, and Mexico, this bird prefers neritic, oceanic, coastal, or intertidal marine ecosystems. The global population of this bird is estimated at 400,000 individuals and does not show signs of decline that would necessitate inclusion on the IUCN Red List. For this reason, the current evaluation status of the Wedge-rumped Storm-Petrel is Least Concern.

SUMMARY

Overview

Wedge-rumped Storm-Petrel: Small storm-petrel, black-brown overall with large white patch on rump and central tail. Bill, legs, and feet are black. Feeds far out to sea. Flight is swift and direct, with deep wing beats and much banking and twisting. Often flies high above the surface of the water.

 

Range and Habitat

Wedge-rumped Storm-Petrel: This species occurs along the Pacific Coast of North and South Americas. It breeds on Galapagos Islands, Ecuador, and on islands off the coast of Peru. In fall and winter, this bird is a casual visitor off the coast of central California. This species is pelagic, coming ashore only to breed.

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Wedge-rumped Storm-Petrel SONGS AND CALLS

Wedge-rumped Storm-Petrel

Generally silent except on breeding grounds.

Similar Sounding


Voice Text

"chirka"

INTERESTING FACTS

  • The Wedge-rumped Storm-Petrel was first described in 1852 by Charles Bonaparte, French naturalist and ornithologist, and nephew of Napoleon.
  • It is also known as the Galapagos Storm-Petrel and the Peruvian Storm-Petrel.
  • Little is known of their behaviour and distribution at sea, where they can be hard to find and harder to identify.
  • Two subspecies are recognized, O. t. tethys, which breeds in the Galapagos Islands, and the much lesser known O. t. kelsalli, which breeds on islands off the coast of Peru.

SIMILAR BIRDS

RANGE MAP NORTH AMERICA

About this North America Map

This map shows how this species is distributed across North America.

FAMILY DESCRIPTION

TERMINOLOGY

CREDITS

Author

Artist

Irina Rud-Volga

HELP ME IDENTIFY A BIRD

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RumpX
The area between the uppertail coverts and the back of the bird.
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