Larus genei Brème, 1839.

Length 43 cm. The head, neck, rump, and tail of this gull are white; the back is grey; the upper wings are grey with black tips. The iris is yellowish-white and there is a red eye ring; the bill is long, slim, and dark red; the legs are red. The Slender-billed Gull inhabits marine and inland waters, utilizing islands, sand spits, and beaches and eating fish, insects, marine invertebrates, and some vegetable matter. It can breed in the first two or three years of age and nests in colonies of thousands of pairs; the two or three eggs are incubated for 22 days. This bird is an abundant winter visitor along the Mediterranean Coast, and it breeds at Lake Malaha (North Sinai) and Lake Qarun.