Scientific name: Puffinus yelkouan (Acerbi, 1827)
Bird group: Shearwaters and Petrels
Field characters. Length 30-35 cm; wingspan 76-82 cm. Together with Balearic Shearwater formerly considered a race of Manx Shearwater; both species have relatively shorter tails and longer bills. Size similar to Manx Shearwater but upperparts are brown instead of black; proportions similar to Balearic. Compared to Manx Shearwater, under tail-coverts are dusky instead of white; dark axillaries; white crescent behind ear less prominent or absent.
Voice. Similar to Balearic Shearwater.
Distribution. S, C and E Mediterranean.
Habitat. Comparable to Manx Shearwater.
Food. Comparable to Manx Shearwater.
Eggs. Size 58 x 41 mm (50-65 x 37-44), weight 50 g.