Description: Size of a starling, in the spring these terns have their bodies black, and the wings light grey on the upper side, and white along the front edge from root to carpal. The tail and rump are white. The length is 20-23 cm.
Habitat: They inhabit shallow areas and swamped banks of still and slow water, very damp meadows, and bogs. They eagerly settle next to other colonial birds. Encounters are very rare.
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