The Hopparoo (also rarely called Kangasaurus) is a domesticable species of large kangaroo-like creatures which existed during the Stone Age in the franchise of The Flintstones.


The Hopparoo was one of the most exotic animals in the setting, being the dinosaur-equivalent of kangaroos who hailed from Rockstralia, although regular kangaroos did exist too, serving as golf caddies and also the Rubbles' family pet, Hoppy.


Anatomically, they possess features of both reptiles and mammals: the long ears and a marsupial pouch on the abdomen suggest a mammalian affinity, whereas the snout and dorsal plates might indicate otherwise.

Like a kangaroo, they move around by hopping and are capable of supporting their own weight with their tail in order to deliver a powerful kick with both legs.


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