Photo: Duncan Wright / CC BY-SA 3.0 (Wikimedia Commons)
Ashy Storm Petrel
Hydrobates homochroa
Ashy Storm Petrel (Hydrobates homochroa) — Seabirds & Tubenoses of Oceans & Seabirds.
Found across 5 guides in our atlas — open any for the full checklist, photos and what's around right now.
The Ashy Storm Petrel (Hydrobates homochroa) is a member of the Hydrobatidae family found in Oceans & Seabirds. Adults weigh 36.9 g. The IUCN Red List lists it as Endangered.
Conservation status
IUCN Red List (opens in a new tab)Facing a very high risk of extinction in the wild.
Where it fits
- Class Aves
- Order Procellariiformes
- Family Hydrobatidae Northern Storm Petrels
- Genus Hydrobates
- Species homochroa
Where it lives
Islands of Van Damme Cove (Mendocino Co.); Bird Rock (Pt. Reyes), and Farallon Is. (west of central California); Channel Is. (west of southern California); Coronado Is. and I. de Todos Santos (west of northwestern Baja California, northwestern Mexico)
Quick facts
- Weight
- 36.9 g
- Diet
- Aquatic hunters
- Family
- Hydrobatidae
- Order
- Procellariiformes
- Habitat
- Wetland, lake & coast
How to identify
Similar birds
Vulnerable
Biology & behaviour
Diet
The Ashy 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 Ashy Storm Petrel is migratory, making regular seasonal journeys between its breeding and non-breeding ranges.
The Ashy Storm Petrel (Hydrobates homochroa) is a member of the Hydrobatidae family, within the order Procellariiformes. It is found across Oceans & Seabirds. Its distribution covers PO islands of Van Damme Cove (Mendocino Co.); Bird Rock (Pt. Reyes), and Farallon Is. (w of c California); Channel Is. (w of s California); Coronado Is. and I. de Todos Santos (w of nw Baja California, nw Mexico).
It is a small bird. Adults weighs around 36.9 g, with a wing length of about 13.3 cm and a tail of around 7.2 cm.
It is classified as Endangered on the IUCN Red List and is a focus of conservation concern. Endangered species face a very high risk of extinction in the wild.
Its mapped global range covers an estimated 348,000 km².
Songs & calls
Frequently asked questions
How big is the Ashy Storm Petrel?
The Ashy Storm Petrel is a small bird that weighs around 36.9 g.
Where does the Ashy Storm Petrel live?
The Ashy Storm Petrel is found across Oceans & Seabirds with a range covering PO islands of Van Damme Cove (Mendocino Co.); Bird Rock (Pt. Reyes), and Farallon Is. (w of c California); Channel Is. (w of s California); Coronado Is. and I. de Todos Santos (w of nw Baja California, nw Mexico), where it is associated with wetlands, lakes and other open water.
What family does the Ashy Storm Petrel belong to?
The Ashy Storm Petrel (Hydrobates homochroa) belongs to the Hydrobatidae family, in the order Procellariiformes.
What does the Ashy Storm Petrel eat?
The Ashy Storm Petrel hunts aquatic prey such as fish and aquatic invertebrates.
Does the Ashy Storm Petrel migrate?
The Ashy Storm Petrel is migratory, making regular seasonal journeys between its breeding and non-breeding ranges.
Is the Ashy Storm Petrel endangered?
It is classified as Endangered on the IUCN Red List and is a focus of conservation concern Endangered species face a very high risk of extinction in the wild.
What sound does the Ashy Storm Petrel make?
1 real field recording of the Ashy Storm Petrel — including its call — can be played in the Songs & calls section on this page, credited to the recordist who captured it.
How large is the Ashy Storm Petrel's range?
The Ashy Storm Petrel has a mapped global range of about 348,000 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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