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Common Tern
Sterna hirundo

Map of the common names

Medium-sized (L 35 cm), it is the commonest species of genus Sterna at EU level. Shows red bill and longer legs that other terns. Occurs along sea coasts, preferably rocky islets but also beaches and marshes, as well as at larger inland lakes and rivers. The diet consists mostly of fish, but also crustaceans are taken. Migrant.

Watercolour by Serge Nicolle

Reasons for the need for protection/inclusion in annex I
Within the EU, Common Tern shows a positive trend. The major threat for the species is deterioration of habitat. Disturbances at the breeding sites, predation and the use of pesticides are additional threats.

Distribution map

yellow = summer visitor
green = resident
blue = winter visitor

Population :
100,000 / 125,000 pairs

Drawing by Manuel Manolos

back to list of threatened species