Ainley’s Storm Petrel
Hydrobates cheimomnestes
Ainley's Storm Petrel (Hydrobates cheimomnestes) — Seabirds & Tubenoses of Oceans & Seabirds.
Found across 3 guides in our atlas — open any for the full checklist, photos and what's around right now.
The Ainley’s Storm Petrel (Hydrobates cheimomnestes) is a member of the Hydrobatidae family found in Oceans & Seabirds. Adults weigh 36.7 g. The IUCN Red List lists it as Vulnerable.
Conservation status
IUCN Red List (opens in a new tab)Facing a high risk of extinction in the wild.
Where it fits
- Class Aves
- Order Procellariiformes
- Family Hydrobatidae Northern Storm Petrels
- Genus Hydrobates
- Species cheimomnestes
Where it lives
Winter breeder, is. Negro, Afuera and Gargoyle Rocks, off Guadalupe I. (west of Baja California, northwestern Mexico)
Quick facts
- Weight
- 36.7 g
- Diet
- Aquatic hunters
- Family
- Hydrobatidae
- Order
- Procellariiformes
- Habitat
- Wetland, lake & coast
How to identify
Similar birds
Vulnerable
Biology & behaviour
Diet
The Ainley’s 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 Ainley’s Storm Petrel is migratory, making regular seasonal journeys between its breeding and non-breeding ranges.
The Ainley’s Storm Petrel (Hydrobates cheimomnestes) is a species of bird in the Hydrobatidae family, part of the order Procellariiformes. It is found across Oceans & Seabirds. Its distribution covers PO winter breeder, is. Negro, Afuera and Gargoyle Rocks, off Guadalupe I. (w of Baja California, nw Mexico).
It is a small bird. Adults weighs around 36.7 g, with a wing length of about 15 cm and a tail of around 7.5 cm.
It is classified as Vulnerable on the IUCN Red List and is a focus of conservation concern. Vulnerable species face a high risk of extinction in the wild if pressures continue.
The species has a mapped global range of roughly 6 million km².
Frequently asked questions
How big is the Ainley’s Storm Petrel?
The Ainley’s Storm Petrel is a small bird that weighs around 36.7 g.
Where does the Ainley’s Storm Petrel live?
The Ainley’s Storm Petrel is found across Oceans & Seabirds with a range covering PO winter breeder, is. Negro, Afuera and Gargoyle Rocks, off Guadalupe I. (w of Baja California, nw Mexico), where it is associated with wetlands, lakes and other open water.
What family does the Ainley’s Storm Petrel belong to?
The Ainley’s Storm Petrel (Hydrobates cheimomnestes) belongs to the Hydrobatidae family, in the order Procellariiformes.
What does the Ainley’s Storm Petrel eat?
The Ainley’s Storm Petrel hunts aquatic prey such as fish and aquatic invertebrates.
Does the Ainley’s Storm Petrel migrate?
The Ainley’s Storm Petrel is migratory, making regular seasonal journeys between its breeding and non-breeding ranges.
Is the Ainley’s Storm Petrel endangered?
It is classified as Vulnerable on the IUCN Red List and is a focus of conservation concern Vulnerable species face a high risk of extinction in the wild if pressures continue.
How large is the Ainley’s Storm Petrel's range?
The Ainley’s Storm Petrel has a mapped global range of about 6 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.
Explore more birds
More in Hydrobatidae
Vulnerable
Least Concern
Least Concern
Least Concern
More in Seabirds & Tubenoses
Critically Endangered
Least Concern
Least Concern
Least Concern
Near Threatened