Elliot's Storm Petrel

Elliot's Storm Petrel

Oceanites gracilis

Silhouette: Mark Hannaford (photo), John E. McCormack, Michael G. Harvey, Brant C. Faircloth, Nicholas G. Crawford, Travis C. Glenn, Robb T. Brumfield & T. Michael Keesey · PhyloPic

Daily sighting probability <5% · Rare
at Paracas National Reserve
14 Verified sightings at Paracas National Reserve From 2019 to 2026
7,558 Verified sightings across all 3 parks From 2019 to 2026
July Best month highest sighting rate
☀️ Diurnal When it's spotted during daytime hours (6am–6pm)

About the Elliot's Storm Petrel

Elliot's storm petrel (Oceanites gracilis) is a species of seabird in the storm petrel family Oceanitidae. The species is also known as the white-vented storm petrel. There are two subspecies, O. g. gracilis, which is found in the Humboldt Current off Peru and Chile, and O. g. galapagoensis, which is found in the waters around the Galápagos Islands. It is a sooty-black storm petrel with a white rump and a white band crossing the lower belly and extending up the midline of the belly. It has long legs which extend beyond the body in flight.

In spite of the frequent sightings of this species it is very poorly known. Despite considerable research, only one nest had ever been found prior to 2003, that being on the Isla Chungungo, off the coast of Chile. During a survey in 2002, about eleven nests were found in three crevices on this island, but it was also being used by nesting Humboldt penguins (Spheniscus humboldti) and there seemed to be very few suitable sites for the petrels to nest. Another possible breeding site may be inland in the Atacama Desert; a mummified chick, verified by DNA analysis, has been found in a crevice here, and signs of former activities in various... Wikipedia →

Global Distribution

Warmer areas are where this animal is recorded most often.

Parks Where Found

# Park Country Daily sighting probability
1 Galápagos Islands 🇪🇨 Ecuador
~50%
2 Paracas National Reserve 🇵🇪 Peru
<5%
3 Machalilla National Park 🇪🇨 Ecuador
Insufficient data

Quick answers

What are the chances of seeing a Elliot's Storm Petrel in Paracas National Reserve?

Under 5% of wildlife watchers report a Elliot's Storm Petrel sighting in Paracas National Reserve, based on 14 verified sightings from GBIF citizen-science data.

When is the best time to see Elliot's Storm Petrel in Paracas National Reserve?

July has the highest sighting rate for Elliot's Storm Petrel in Paracas National Reserve in our monthly data.

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