Black Tern

Chlidonias niger

(C. n. niger)

Armenian Name: Սև ջրածիծառ
Species Status: Threatened Species - Species of Special Concern
Black Tern

See Plate 33 for Black Tern and other similar species

Resident Status: Breeding bird
Abundance: Rare
Length:22-24 cm, Wing Span:64-68 cm
Distribution Map: Map 165.
Description: Narrow black bill.
Adult (Breeding): Black body with gray wings; uniform pale gray rump and tail.
Adult (Non-breeding): White body with dark patches on sides of breast and black head pattern.
Juvenile: Blackish cap, mottled brown back, and dark patch on sides of breast.
Similar Species: Differs from Whiskered and White-winged Terns by uniform pale gray rump and tail; in juvenile and non-breeders, by dark patch on sides of breast.
Behavior: Picks food from surface in buoyant flight.
Habitat: Fish ponds, lakes, slow-flowing rivers.
Food: Aquatic invertebrates, fish.
Nest: Platform on floating vegetation.
Eggs: 35 mm, 2-4, pale yellow-brown, dark brown spots.