Wilson's Storm Petrel (Oceanites oceanicus)
Illustration redrawn by AI from a real photograph

Wilson's Storm Petrel

Oceanites oceanicus (Kuhl, 1820)

16–18 cmLength40 cmWingspan30 gWeight

A small, dark brown seabird with a white rump and flanks, it follows ships at sea.

Busiest months: January–February and November · Most records: Antarctica, United States, Chile

Least Concern

How to identify

Field marks

  1. Dark brown overall except for white rump and flanks
  2. A single indistinct pale band across upperwing coverts
  3. Webbing between toes yellow
  4. Tail tip square, legs and feet project slightly beyond tail in flight

Male, female and young

Immatures have black spots on the webbing of the feet.

Voice

Gives faint squeaks when foraging.

Where and when it's recorded

Busiest months: January–February and November · Most records: Antarctica, United States, Chile

Wilson's Storm Petrel has been recorded at 168 of the 8,276 birding hotspots we track, in 36 countries and regions.

Records by month Southern Hemisphere

Where it's recorded most

  1. Eaglehawk Neck Pelagic TripAustralia1,249 records
  2. Valparaíso – PelágicoChile726 records
  3. Quintero – PelágicoChile678 records
More places
  1. Cape Island – CMP – Coral Ave. dune crossingUnited States376 records
  2. Robert Moses SPUnited States373 records
  3. Andvord Bay – Neko HarborAntarctica347 records
  4. Errera Channel – Cuverville IslandAntarctica269 records
  5. Brown BluffAntarctica261 records
  6. Half Moon IslandAntarctica245 records
  7. Drake PassageAntarctica231 records

Countries and regions with the most records

AntarcticaUnited StatesChileSouth Georgia & South Sandwich IslandsAustraliaNew ZealandFalkland IslandsIreland

eBird records via GBIF up to 2024-12-31. A record means someone listed it; more records partly mean more birders, not more birds.

About

Wilson's storm petrel (Oceanites oceanicus), also known as Wilson's petrel, is a small seabird of the austral storm petrel family Oceanitidae. It is one of the most abundant bird species in the world and has a circumpolar distribution mainly in the seas of the southern hemisphere but extending northwards during the summer of the northern hemisphere. The world population was estimated in 2022 as stable at 8–20 million birds.

Excerpt from Wikipedia, CC BY-SA 4.0 · authors · Read more on Wikipedia

Questions

How big is the Wilson's Storm Petrel?

The Wilson's Storm Petrel is about 16–18 cm long, with a wingspan of 40 cm and weighs around 30 g.

Where does the Wilson's Storm Petrel live?

Its breeding range: Southern Ocean: islets in southern Chilean fjords and Cape Horn Archipelago; many islands, coasts and inland sites in Antarctica; Falklands, South Georgia, Crozet, Heard, Kerguelen (southwestern to southeastern Indian Ocean) and Macquarie islands (far southeast of Australia). It is most often recorded in Antarctica, United States and Chile.

When is the best time to see the Wilson's Storm Petrel?

At the hotspots we track, it is recorded most in January, February and November (Southern Hemisphere).

Is the Wilson's Storm Petrel endangered?

The IUCN Red List classifies the Wilson's Storm Petrel as Least Concern.

What does the Wilson's Storm Petrel eat?

Main food: Fish, shrimp & shellfish.

What family is the Wilson's Storm Petrel in?

It belongs to the family Austral Storm Petrels (Oceanitidae), order Procellariiformes.

At a glance

Length
16–18 cm
Wingspan
40 cm
Weight
30 g
Habitat
Ocean
Diet
Fish, shrimp & shellfish
Lifestyle
Feeds in the air
Migration
Migratory
Conservation
Least Concern
More measurements
Wing
147 mm
Tail
66 mm
Bill
16 mm
Tarsus
35 mm

Averages from the AVONET dataset; length from field guides where available.

Range

Southern Ocean: islets in southern Chilean fjords and Cape Horn Archipelago; many islands, coasts and inland sites in Antarctica; Falklands, South Georgia, Crozet, Heard, Kerguelen (southwestern to southeastern Indian Ocean) and Macquarie islands (far southeast of Australia)

Breeding range, IOC World Bird List 15.2

Classification

Family
Austral Storm Petrels Oceanitidae
Genus
Oceanites

Other birds in the genus Oceanites

Wilson's Storm Petrel

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Free to use with credit: “Illustration: Bird Album (birdalbum.com)”. Drawn by AI from a reference photo by Claudia Kollmeier. ↗

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