Ключевые слова: animal, anser, aves, avian, avifauna, bay, bill, bird, birding, blue, branta, branta canadensis, brine, brown, cago, canada, canada goose, canadensis, chordata, creature, duck, ecology, endothermic, environment, family, feathers, floating, flying, fowl, goose, homeothermic, large, mute, ocean, ornithology, pond, sea, species, swan, swimming, tachymetabolic, vertebrate, warmblooded, water, waterfowl, webbed feet, wet, wild, wildlife, zoology,