Fill in the Blanks nouns used to classify animalsOnline version complete by Kira Bailey 1 predator marsupial nocturnal herbivore scavenger amphibians reptile A kangaroo is a good example of a . Any animal or bird that feeds on dead matter is known as a . The branchiosaurus may have been one of the largest dinosaurs to have walked the Earth but as a , it only fed on plants . A bat has a highly developed sense of hearing and smell because being it is active during the night . A is an animal , such as a jaguar , that hunts for its food . Frogs are ; they hatch from eggs in water but then undergo a transformation that enables them to breathe air as adults . Hibernating animals are animals , like bears , that deal with harsh weather conditions by sleeping through them . The tough , horny scales on a crocodile´s exterior are characteristic of a .