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Madeiran Storm-petrel
Oceanodroma castro

Map of the common names

Very small bird (L 20 cm), is poorly known . The species is highly pelagic and is usually found far from land except in the breeding season when birds come ashore to nest. The majority of nests are in rock crevices, under boulders or inside caves. The birds breed throughout the year. Little is known of the diet, but it is thought to comprise crustaceans and fish. Migrant.

Watercolour by Serge Nicolle

Reasons for the need for protection/inclusion in annex I
The total population is believed to be less than 5,000 breeding pairs. The smaller number and the predation by ratsand from Yellow-legged Gull (Larus cachinnans) are the main threats.

Distribution map

yellow = summer visitor
green = resident
blue = winter visitor

Population :
3,200 / 4,300 pairs

Drawing by Manuel Manolos

back to list of threatened species