A bird, for one, is a type of animal that is found in many different shapes and sizes all over the world. The term can refer to a wide variety of species, from small songbirds to large waterfowl. The crossword solutions for the term 'bird, for one' are NESTER (6 letters), CELTIC (6 letters), and NBASTAR (7 letters). NESTER is a term used to describe a bird that builds a nest in which to lay its eggs. CELTIC is a term used to describe a type of bird native to the British Isles. Finally, NBASTAR is an acronym for National Basketball Association Star, which is a term used to describe a professional basketball player.