Bird Album
Cory's Shearwater
Calonectris borealis (Cory, 1881)
535 gWeight
Cory's shearwater (Calonectris borealis) is a large shearwater in the seabird family Procellariidae.
Busiest months: August · Most records: Portugal, Spain, Israel
Where and when it's recorded
Cory's Shearwater has been recorded at 88 of the 8,171 birding hotspots we track, in 17 countries and regions.
Records by month Northern Hemisphere
Where it's recorded most
- PN Sintra-Cascais – Cabo RasoPortugal1,698 records
- Estaca de Bares – Observatorio de aves y entornoSpain813 records
- Paul do Cabo da PraiaPortugal562 records
More places
- PN Sudoeste Alentejano e Costa Vicentina – Cabo de São VicentePortugal505 records
- Eilat north beachIsrael492 records
- PN Arrábida – cabo Espichel – área geralPortugal337 records
- Bridges of RossIreland171 records
- Cape Sable Island – Daniel's HeadCanada58 records
- Parker River NWRUnited States48 records
- St AgnesUnited Kingdom47 records
Countries and regions with the most records
eBird records via GBIF up to 2024-12-31. A record means someone listed it; more records partly mean more birders, not more birds.
About
Cory's shearwater (Calonectris borealis) is a large shearwater in the seabird family Procellariidae. It breeds colonially on the archipelago of the Azores in the eastern Atlantic. Outside the breeding season it ranges widely in the Atlantic.
Excerpt from Wikipedia, CC BY-SA 4.0 · authors · Read more on Wikipedia
Questions
How big is the Cory's Shearwater?
The Cory's Shearwater weighs around 535 g.
Where does the Cory's Shearwater live?
Its breeding range: Atlantic Ocean: all main islands and islets, Azores; Madeira Island, Porto Santo group and Desertas, Madeira Islands; Salvages (north of Canary Islands); Canary Islands (northern, central Macaronesia, west of northwestern Africa), Berlenga Islands (just west of central Portugal) and a few western Mediterranean islands. It is most often recorded in Portugal, Spain and Israel.
When is the best time to see the Cory's Shearwater?
At the hotspots we track, it is recorded most in August (Northern Hemisphere).
Is the Cory's Shearwater endangered?
The IUCN Red List classifies the Cory's Shearwater as Least Concern.
What does the Cory's Shearwater eat?
Main food: Fish, shrimp & shellfish.
What family is the Cory's Shearwater in?
It belongs to the family Petrels, Shearwaters, Diving Petrels (Procellariidae), order Procellariiformes.
At a glance
- Weight
- 535 g
- Habitat
- Ocean
- Diet
- Fish, shrimp & shellfish
- Lifestyle
- Varied
- Migration
- Migratory
- Conservation
- Least Concern
More measurements
- Wing
- 347 mm
- Tail
- 141 mm
- Bill
- 55 mm
- Tarsus
- 54 mm
Averages from the AVONET dataset; length from field guides where available.
Range
Atlantic Ocean: all main islands and islets, Azores; Madeira Island, Porto Santo group and Desertas, Madeira Islands; Salvages (north of Canary Islands); Canary Islands (northern, central Macaronesia, west of northwestern Africa), Berlenga Islands (just west of central Portugal) and a few western Mediterranean islands
Breeding range, IOC World Bird List 15.2
Classification
- Order
- Procellariiformes
- Family
- Petrels, Shearwaters, Diving Petrels Procellariidae
- Genus
- Calonectris
Other birds in the genus Calonectris
Streaked ShearwaterCalonectris leucomelas
Scopoli's ShearwaterCalonectris diomedea
Cape Verde ShearwaterCalonectris edwardsii
Southern Giant PetrelMacronectes giganteus
Northern Giant PetrelMacronectes halli
Northern FulmarFulmarus glacialis
Southern FulmarFulmarus glacialoides
Antarctic PetrelThalassoica antarctica
Pintado PetrelDaption capense
Snow PetrelPagodroma nivea
Download illustration
Free to use with credit: “Illustration: Bird Album (birdalbum.com)”. Drawn by AI from a reference photo by Luke Foster. ↗
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