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Black Tern
Chlidonias niger
(C. n. niger)
| Armenian Name: | Սև ջրածիծառ |
|---|---|
| Species Status: | Threatened Species - Species of Special Concern |
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. |
