Black Tern (Chlidonias niger) is a passage migrant in India.   Size: 22-24 cm

Description: Adults in breeding plumage: Black head, neck, breast and belly; back and wings dark gray; tail pale gray; undertail coverts and underside of flight feathers white. Adults in non-breeding plumage: Pale gray above and white below, with black on crown and nape only. Juveniles: Resemble winter adults but browner.

Breeding: Nest is a shallow depression in a low mound of water weeks, usually floating, in shallow freshwater or brackish marshes. Eggs: 2-4, usually 3; pale brown with darker brown blotches.

Range: The interior of North America from Nova Scotia west to the Rockies and north to Great Slave Lake, wintering in northern South America. In the Old World, it breeds from Spain to the Urals.