Ключевые слова: america, animals, avian, beak, bird, birds, canada, canadian, conservation, dufferine, emberizidae, environment, environmental, falls, feather, horizontal, islands, leucophrys, living, nature, niagara, north, ontario, organism, ornithology, outdoors, outside, passeriformes, passerine, perching, songbird, sparrow, sparrows, watching, whitecrowned, wild, wildlife, wing, zonotrichia,