THESAURUS
polliwog
amphibian, batrachian, birdling, bullfrog, calf, catling, chick, chickling, chicky, colt, croaker, cub, dogie, duckling, fawn, fledgling, foal, frog, fryer, gosling, hoppytoad, hoptoad, kid, kit, kitten, lamb, lambkin, landlubber, litter, lubber, nest, nestling, newt, paddock, piglet, pigling, pullet, pup, puppy, salamander, shoat, tadpole, toad, tree frog, tree toad, weaner, whelp, yeanling