Photo: Brian Gratwicke / CC BY 2.0 (Wikimedia Commons)
Wedge-rumped Storm Petrel
Hydrobates tethys
Wedge-rumped Storm Petrel (Hydrobates tethys) — Seabirds & Tubenoses of Oceans & Seabirds.
Found across 9 guides in our atlas — open any for the full checklist, photos and what's around right now.
The Wedge-rumped Storm Petrel (Hydrobates tethys) is a member of the Hydrobatidae family found in Oceans & Seabirds. Adults weigh 22.6 g. The IUCN Red List lists it as Least Concern.
Conservation status
IUCN Red List (opens in a new tab)Widespread and abundant — not currently at risk.
Where it fits
- Class Aves
- Order Procellariiformes
- Family Hydrobatidae Northern Storm Petrels
- Genus Hydrobates
- Species tethys
Where it lives
Islands of northern Galápagos and off coasts of central Peru and north-central Chile
Quick facts
- Weight
- 22.6 g
- Diet
- Aquatic hunters
- Family
- Hydrobatidae
- Order
- Procellariiformes
- Habitat
- Wetland, lake & coast
How to identify
Similar birds
Least Concern
Least Concern
Biology & behaviour
Diet
The Wedge-rumped Storm Petrel hunts aquatic prey such as fish and aquatic invertebrates.
Behaviour
A bird of open sea and coastal waters, it is highly aerial, spending much of its time on the wing.
Migration
The Wedge-rumped Storm Petrel is migratory, making regular seasonal journeys between its breeding and non-breeding ranges.
The Wedge-rumped Storm Petrel (Hydrobates tethys) belongs to the Hydrobatidae family of the order Procellariiformes. Its range spans Oceans & Seabirds. Its distribution covers PO islands of n Galápagos and off coasts of c Peru and nc Chile.
It is a small bird. Adults weighs around 22.6 g, with a wing length of about 13 cm and a tail of around 5.9 cm.
The IUCN Red List currently assesses it as Least Concern. That category covers species that remain widespread and reasonably abundant in the wild.
Its mapped global range covers an estimated 11.7 million km² — a very large global range.
Songs & calls
Frequently asked questions
How big is the Wedge-rumped Storm Petrel?
The Wedge-rumped Storm Petrel is a small bird that weighs around 22.6 g.
Where does the Wedge-rumped Storm Petrel live?
The Wedge-rumped Storm Petrel is found across Oceans & Seabirds with a range covering PO islands of n Galápagos and off coasts of c Peru and nc Chile, where it is associated with wetlands, lakes and other open water.
What family does the Wedge-rumped Storm Petrel belong to?
The Wedge-rumped Storm Petrel (Hydrobates tethys) belongs to the Hydrobatidae family, in the order Procellariiformes.
What does the Wedge-rumped Storm Petrel eat?
The Wedge-rumped Storm Petrel hunts aquatic prey such as fish and aquatic invertebrates.
Does the Wedge-rumped Storm Petrel migrate?
The Wedge-rumped Storm Petrel is migratory, making regular seasonal journeys between its breeding and non-breeding ranges.
Is the Wedge-rumped Storm Petrel endangered?
The IUCN Red List currently assesses it as Least Concern That category covers species that remain widespread and reasonably abundant in the wild.
What sound does the Wedge-rumped Storm Petrel make?
1 real field recording of the Wedge-rumped Storm Petrel — including its begging call — can be played in the Songs & calls section on this page, credited to the recordist who captured it.
How large is the Wedge-rumped Storm Petrel's range?
The Wedge-rumped Storm Petrel has a mapped global range of about 11.7 million km².
Conservation
Every bird benefits from bird-safe windows, native plants, and keeping cats indoors. Small changes at home add up to real protection.
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