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Armenian Name: | Սև ջրածիծառ |
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Species Status: | Threatened Species - Species of Special Concern |
See Plate 33 for Black Tern and other similar species
Resident Status: | Breeding bird |
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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. |