Stock photography, photos: Tree Swallow Stock photos of Tree Swallow. Photograph: © Dan Creighton Click for a larger image and more information Keywords associated with this stock photo: flying, dominant color, creature, outdoor recreation, outdoors, fly, flight, zoology, scenery, beast, avian, swallow, birds, feathered, bird, animal, tree swallow, environmentalism, feather, environment, recreation, sports & recreation, nature, Tachycineta bicolor, ecosystem, birding, beasts, action motion, bird watching, wildlife, ecology, habitat, aves