Rather large (L 20 cm) grey-brown storn-petrel with whitish underparts and slightly forked tail. The species breeds in winter, nesting in sandy soil with a good covering of vegetation, where birds excavate long burrows. The White-faced Storm-petrel comes ashore only to breed. Almost nothing is known about the feeding ecology. The species is sedentary.
Reasons for the need for protection/inclusion in annex I
The endemic European sub-especies is P. m. hypoleuca. and has a breeding population of around 20,000 pairs. The species remains susceptible due to its concentration at just two main colonies. The main threats to this bird is heavy predation by Yellow-legged Gull (Larus cachinnans) and vegetation degradation by rabbits (Oryctolagus cuniculus).
yellow = summer visitor
green = resident
blue = winter visitor
16,000 / 40,000 pairs
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