Wedge-rumped Storm Petrel (Hydrobates tethys)
Illustration redrawn by AI from a real photograph

Wedge-rumped Storm Petrel

Hydrobates tethys (Bonaparte, 1852)

23 gWeight

Busiest months: June–July · Most records: Ecuador, United States, Costa Rica

Least Concern

Where and when it's recorded

Busiest months: June–July · Most records: Ecuador, United States, Costa Rica

Wedge-rumped Storm Petrel has been recorded at 11 of the 8,276 birding hotspots we track, in 6 countries and regions.

Records by month Southern Hemisphere

Where it's recorded most

  1. Española – Punta SuárezEcuador260 records
  2. Amado WTPUnited States17 records
  3. Frank G. Bonelli RP/Puddingstone Reservoir and vicinityUnited States9 records
More places
  1. PN Corcovado – Sector SirenaCosta Rica7 records
  2. Costa del Este – Mirador Paseo del MarPanama5 records
  3. Glendale Recharge PondsUnited States5 records
  4. Isla PucusanaPeru3 records
  5. Salinas – Lagunas de EcuasalEcuador2 records
  6. Patagonia Lake State ParkUnited States2 records
  7. Southeast Farallon IslandUnited States2 records

Countries and regions with the most records

EcuadorUnited StatesCosta RicaPanamaPeruMexico

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

Questions

How big is the Wedge-rumped Storm Petrel?

The Wedge-rumped Storm Petrel weighs around 23 g.

Where does the Wedge-rumped Storm Petrel live?

Its breeding range: Pacific Ocean: islands of northern Galápagos and off coasts of central Peru and north-central Chile. It is most often recorded in Ecuador, United States and Costa Rica.

When is the best time to see the Wedge-rumped Storm Petrel?

At the hotspots we track, it is recorded most in June and July (Southern Hemisphere).

Is the Wedge-rumped Storm Petrel endangered?

The IUCN Red List classifies the Wedge-rumped Storm Petrel as Least Concern.

What does the Wedge-rumped Storm Petrel eat?

Main food: Fish, shrimp & shellfish.

What family is the Wedge-rumped Storm Petrel in?

It belongs to the family Northern Storm Petrels (Hydrobatidae), order Procellariiformes.

At a glance

Weight
23 g
Habitat
Ocean
Diet
Fish, shrimp & shellfish
Lifestyle
Feeds in the air
Migration
Migratory
Conservation
Least Concern
More measurements
Wing
130 mm
Tail
59 mm
Bill
13 mm
Tarsus
22 mm

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

Range

Pacific Ocean: islands of northern Galápagos and off coasts of central Peru and north-central Chile

Breeding range, IOC World Bird List 15.2

Classification

Family
Northern Storm Petrels Hydrobatidae
Genus
Hydrobates

Other birds in the genus Hydrobates

European Storm PetrelEuropean Storm PetrelHydrobates pelagicusFork-tailed Storm PetrelFork-tailed Storm PetrelHydrobates furcatusRinged Storm PetrelRinged Storm PetrelHydrobates hornbyiSwinhoe's Storm PetrelSwinhoe's Storm PetrelHydrobates monorhisMatsudaira's Storm PetrelMatsudaira's Storm PetrelHydrobates matsudairaeLeach's Storm PetrelLeach's Storm PetrelHydrobates leucorhousTownsend's Storm PetrelTownsend's Storm PetrelHydrobates socorroensisAinley's Storm PetrelAinley's Storm PetrelHydrobates cheimomnestesAshy Storm PetrelAshy Storm PetrelHydrobates homochroaBand-rumped Storm PetrelBand-rumped Storm PetrelHydrobates castroMonteiro's Storm PetrelMonteiro's Storm PetrelHydrobates monteiroiCape Verde Storm PetrelCape Verde Storm PetrelHydrobates jabejabe
Wedge-rumped Storm Petrel

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

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