Common Black-headed Gull

Larus ridibundus

Armenian Name: Սովորական որոր
Common Black-headed Gull

See Plate 32 for Common Black-headed Gull and other similar species

Resident Status: Year-round resident
Abundance: Common
Length:34-37 cm, Wing Span:100-110 cm
Distribution Map: Map 160.
Description: Slim bill.
Adult: Back and upperwings pale gray. Upperwing shows dark tips on primaries. Outer primaries are white; inner primaries are gray above and blackish below.
Adult (Breeding): Dark brown head and white nape.
Adult (Non-breeding): White head with dark ear spot.
Juvenile: Brownish mantle; head strongly marked with brown and gray.
Similar Species: Differs from Slender-billed Gull by shorter bill, steeper forehead, dark eyes, and brown head in breeding plumage.
Behavior: Gregarious. Flight is buoyant; walks and runs frequently.
Habitat: Ponds, lakes, rivers, and wetlands.
Food: Wide variety of animals and plants.
Nest: Shallow ground scrape lined with plant fragments.
Eggs: 52 mm, 2-3, dull green, brown blotches.