English: Common Tern

Russian: Речная крачка
Mongolian: Эгэл хараалай  
German: Flusseeschwalbe
French: Sterne pierregarin  
Japanese:  アジサシ (Ajisashi) 

Body length: 32-39 cm
Wing Span: 72-83 cm

Breeding visitor
Breeding season: May-August

Egg number: 2-3 (occasionally, 4)
Egg colour: Greenish, with black, dark brown, dark to olive brown blotches.
Brood: 1 per year

Global status: Least Concern
Regional status: Least Concern

Food: Small fishes, occasionally plank tonic crustaceans and insects.

Habitat: Nests on sandy beaches, islands of rivers and lakes, boggy meadows and the deltas of rivers with reeds in the valleys of lakes and rivers. They breed in colonies. The nest is a hollow, unlined or variably lined with nearby plants on the ground. During migration they occur on lake shores, islands of rivers and lakes, and on the sand bars of fresh water rivers.