- Puffinus mauretanicus
- Brown back
- Cap, nape and wing tips are darker
- Brownish-white undersides
- Pinkish legs
Pelagic. Breeds on islands and coastal cliffs.
One egg is laid in a burrow. Nocturnal visits are made to avoid predation.
The diet includes fish and molluscs.
- Clements, JF. 2008. The Clements Checklist of Birds of the World. 6th ed., with updates to December 2008. Ithaca: Cornell Univ. Press. ISBN 978-0801445019.
- Collins Pocket Guide to British Birds 1966
- BirdForum Opus contributors. (2021) Balearic Shearwater. In: BirdForum, the forum for wild birds and birding. Retrieved 21 April 2021 from https://www.birdforum.net/wiki/Balearic_Shearwater