Wilson’s Storm-Petrel (Oceanites oceanicus)

Order: Procellariiformes | Family: Oceanitidae  | IUCN Status: Least Concern

wilson's-storm-petrel
Age: Adult | Sex: Unknown | Loc. Multiple locations

wilson's-storm-petrel
Age: Adult | Sex: Unknown | Loc. Multiple locations

wilson's-storm-petrel
Age: Adult | Sex: Unknown | Loc. No Data
wilson's-storm-petrel
Age: Adult | Sex: Unknown | Loc. No Data


Identification & Behavior: ~17 cm (7 in). The Wilson’s Storm-Petrel us dusky with a white rump that extends to lateral undertail coverts and thighs. It has bars on the upper side of wings. It flies low over the water seemingly walking with the help of its wings as it forages.  In flight, its feet protrude out of the tail. The membrane between its toes is yellow, but are difficult to see. It is similar to White-vented (Elliott’s) Storm-Petrel, but has a dark belly and dark underwing lining. Also, see Wedge-Rumped Storm-Petrel.

Status: The Wilson’s Storm-Petrel is a non-breeding visitor to pelagic waters of Peru. It appears to be present throughout the year, but it is more common during the months of March through November.

Name in Spanish: Golondrina de Mar de Wilson.

Sub-species: Wilson’s Storm-Petrel (Oceanites oceanicus chilensis), Mathews 1934.

Meaning of Name: Oceanites: Gr. Sea Nymph. oceanicus: L. of the ocean, referring to the ocean.

See more of the Family Oceanitidae  peru aves

Distribution Map
wilsons-storm-petrelVoice:
Generally silent at sea.


References:

    • Species range based on: Schulenberg, T. S., D. F. Stotz, and L. Rico. 2006. Distribution maps of the birds of Peru, version 1.0. Environment, Culture & Conservation (ECCo). The Field Museum.  http://fm2.fieldmuseum.org/uw_test/birdsofperu on 01/01/2015.