Labrosaurus

Example:Birds evolved from dinosaurs, but unlike dinosaurs like Labrosaurus, they lack the large body structure and tail of the latter.

Definition:A warm-blooded, egg-laying vertebrate with feathers, and a beak but no teeth, including extant species like eagles, swans, and parrots.

Example:Unlike mammals, Labrosaurus was a reptilian dinosaur that did not nurse its offspring with milk as they grew.

Definition:A warm-blooded vertebrate that produces milk to nourish their young, including humans, elephants, and whales.