glaucous gull in hong kong formal name: larus hyperboreus

africa animal asia aves avian beak beautiful big bird birdwatching blue eater environment europe feather fish fly formal freedom glaucous gull hong hunting hyperboreus inland insects kong larus mai migratory name nature ornithology peace perch plumage pond prey reserve save sea seabird sky spread swamp symbol tern water waterlily wetland whiskered white wild wildlife wings wood yellow