A proper noun, because it a specific name of a lake.

There are many different species of seagull. Some are common, others rare, some are only found in certain areas, whereas others are found world wide. Here are a few of the different kinds of seagull: * Dolphin Gull * Pacific Gull * Black-tailed Gull * White-eyed Gull * Sooty Gull * Common Gull * Ring-billed Gull * Great Black-backed Gull * Kelp Gull * California Gull * Glaucous Gull * Iceland Gull * Yellow-footed Gull * Herring Gull * Caspian Gull * East Siberian Herring Gull * Armenian Gull * Grey-headed Gull * Brown-headed Gull * Hartlaub's Gull * Silver Gull * Black-billed Gull * Brown-billed Gull * Red-billed Gull * Slender-billed Gull * Black-headed Gull * Mediterranean Gull * Lava Gull * Laughing Gull * Little Gull * Red-legged Kittiwake * Black legged Kittiwake * Ivory Gull * Swallow-tailed Gull

There are 9 gull species in Cyprus: Armenian gull Audouin's gull Yellow legged gull Common gull Lesser black backed gull Slender billed gull Mediterranean gull Little gull Common black headed gull

there are many types of seagulls such as Heerman's gull,common gull /mew gull,herring gull,glaucious winged gull,ring billed gull,california gull,great black gull,western gull.