Round 2, Side B: Match 33

[Image ID: Two pictures of gulls. The left is a slaty-backed gull standing on a snowy railing while snow blows past it. The right is a pair of great black-headed gulls standing in the surf. /End ID]

The slaty-backed gull (Larus schistisagus) is a large gull found in northeastern Asia. They typically measure 55-69 cm (22-27 in) in length and 132-160 cm (52-63 in) in wingspan. They have white underparts and head, dark grey upperparts and wings with black tips and white "mirrors," pink legs, and yellow bill with red spot. They feed mainly on fish and marine invertebrates, as well as insects, rodents, eggs and chicks of other birds, and carrion.

The great black-headed gull (Ichthyaetus ichthyaetus) breeds in southern Russia and Mongolia and migrates to winter in the eastern Mediterranean, Arabia, and India. They are the third-largest gull in the world, measuring 55-72 cm (22-28 in) in length and 142-170 (56-67 in) in wingspan. They have a black head, white eye crescents and underparts, grey back and wings with black tips and white "mirrors," and yellow legs and bill with red and black tip. They eat fish, crustaceans, insects, and even small mammals.

slaty-backed gull image by Shiroto

great black-headed gull image by Vedant Raju Kasambe

A new variant has been added!

Terek Sandpiper (Xenus cinereus) © Vedant Raju Kasambe

It hatches from bright, conspicuous, fresh, orange, other, overall, smallish, stumpy, tidal, unique, upturned, and white eggs.

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