Bird, Animal, Adventure, Leisure Activities, Parachute, alive, animal, aves, avian, background, beak, bill, biodiversity, biology, bird, birding, birdwatching, black, blue, circling, conservation, couple, day, ecology, environment, environmental, fauna, feathers, flight, flying, gray, grey, gull, life, living, natural, nature, organism, ornithology, outdoors, outside, pair, ring-billed, science, sky, two, vertebrate, warm-blooded, weather, white, wild, wilderness, wildlife, wing, zoology, running away, outdoor, life science, achiever, set, victim, escape, writing, skill, passage, gathering, discipline, twenty-four hours, dissimilarity, travel, air travel, improvement, 2, feather, heterogeneity, transformation, fool, orifice, mouth, chump, difference, nonuniformity, class, disfavor, document, rejection, diverseness, experience, person, situation
Pair of ring-billed gulls (Larus delawarensis) circling in a blue sky