Tree, Tree Trunk, Hole, Wood, abandoned, abode, animal, background, bark, beginning, bird, birdnest, birth, born, creation, day, den, empty, environment, fauna, fertility, forest, fragile, growth, hideout, hole, hollow, home, ideas, life, natural, nature, nest, nobody, outdoors, outside, parenting, potential, reproduce, reproduction, security, small, space, structure, textured, tradition, tree, trunk, wild, wilderness, wildlife, wood, woodland, woods, origin, outdoor, dwelling, bird's nest, plant, commoner, achiever, rate, potentiality, thought, woody plant, housing, opening, hiding place, safety, vegetation, development, twenty-four hours, possibility, cipher, procreation, disfavor, rejection, birthrate, person, growing, situation, root, delicate
Close up of a potential bird nest born into a tree