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In breeding plumage, the Aleutian tern has a black crown and nape and eye-stripe, which becomes paler in winter. It can be recognised by its black trailing edge on underwing secondaries (i.e. the tip of the rear flight feathers closest to the bird’s body).

Abundance
Rare

Chinese Name
白腰燕鸥

Malay Name
Burung Camar Aleutian

Tamil name
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