bird, bird life, dove, doves, pigeon, pigeons, a bird in the hand, a bird in the hand is worth two in the bush, vertebrae, vertebrata, vertebrates, animal, animal abuse, animal anatomy, animal babies, pet, animal life, aniimal, animal lives, avian bird flu, avian flu, avian birdflu, avian flu virus, avian, aviary, hatcheries, hatching, freed, freedom, freedoms, chick, chick egg, chick eggs, fly, flying, set, peace, peace church, peace of mind, peace sign, perched, jungle, jungles, pipe, piped, pipes, nature, nature lovers, natural, natural beauty, rainforest, rainforests, thorns, thorn, thorny, peace signs, domestic fowl, conduit, young bird, air travel, achiever, phylum, flight, chicken, annoyance, vegetation, travel, young, passage, arthropod, forest, hatch, circle, parturition, rain forest, gallinaceous bird, invertebrate, band, insect, columbiform bird, building, tube, irritant, vertebra, hatchery, person, order, bone, stimulation
Diamond loops reduce air resistance when flying. Dry skin covered with feathers. Feathers cover the whole body is feathered, with wide blade to form wings, bird tail (rudder role). Feathers close to the body is fluffy.