ADULT, ADULTS, ALONE, AMBIANCE, AN, ANIMAL, AS, ATMOSPHERE, AVES, BIOSPHOTO, BIRD, BLACK-HEADED, CHARADRIIFORMES, CHILL, CHILLY, CHROICOCEPHALUS, COLD, COLDS, CONCERN, COPY, DEVELOPMENT, ENUMERATION, EUROPE, EUROPEAN, FULL, GLOBAL, GULL, GULLS, ICE, ICY, IN, INDIVIDUAL, IUCN, IVAN, JANUARY, LARIDAE, LARUS, LC, LEAST, LENGTH, LIST, LONE, LONELY, LOW, LR, MARCH, METEOROLOGICAL, MONTH, NOBODY, OF, ON, ONE, ONLY, OVERVIEW, OVERVIEWS, PHENOMENON, POSE, POSED, POSING, PROFILE, RED, RIDIBUNDUS, RISK, SCANDINAVIA, SEA, SEAGULL, SEASON, SEASONS, SETTLING, SETTLINGS, SHOT, SHOTS, SIDE, SIGHT, SIGHTS, SINGLE, SJOGREN, SOLO, SP, SPACE, SPECIES, STAGE, STANDING, SWEDEN, TAKEN, TEMPERATE, THE, THREATENED, UNION, VERTEBRATA, VIEW, VIEWS, WILD, WINTER, WITH,