Distribution and habitat right|thumb|Juvenile on Gran Canaria, Canary Islands, Spain It is endemic to the Canary Islands, Azores and Madeira in the region known as Macaronesia in the eastern Atlantic Ocean. In the Canary Islands, it is common on Tenerife, La Gomera, La Palma and El Hierro, but more local on Gran Canaria, and rare on Lanzarote and Fuerteventura, where it has only recently begun breeding.Clarke, Tony & Collins, David (1996). A Birdwatchers' Guide to the Canary Islands. Prion, Huntingdon. . It is common in Madeira including Porto Santo and the Desertas Islands, and has been recorded on the Savage Islands. In the Azores, it is common on all islands. The population has been estimated at 80,000-90,000 pairs in the Canary Islands, 30,000-60,000 pairs in the Azores and 4,000-5,000 pairs in Madeira.
Distribution and habitat right|thumb|Juvenile on Gran Canaria, Canary Islands, Spain It is endemic to the Canary Islands, Azores and Madeira in the region known as Macaronesia in the eastern Atlantic Ocean. In the Canary Islands, it is common on Tenerife, La Gomera, La Palma and El Hierro but more local on Gran Canaria, and rare on Lanzarote and Fuerteventura, where it has only recently begun breeding.Clarke, Tony & Collins, David (1996). A Birdwatchers' Guide to the Canary Islands. Prion, Huntingdon. . It is common in Madeira including Porto Santo and the Desertas Islands, and has been recorded on the Savage Islands. In the Azores, it is common on all islands. The population has been estimated at 80,000-90,000 pairs in the Canary Islands, 30,000-60,000 pairs in the Azores and 4,000-5000 pairs in Madeira.