sooty gull, larus hemprichii. saudi arabia

gull sooty larus hemprichii seagull asia bird birds ornithology birdwatching saudi arabia arabian peninsula animal animalia animals aves beach beautiful bill bipedal black white blue charadriiformes colorful creature endothermic environment fauna feathered lake migrant migratory mudflat natural nature ocean plumage red sea tail water wetland wetlands wild wildlife wing winged winter