Cave Hyena

The cave hyena (Crocuta crocuta spelaea) is a paleosubspecies of spotted hyena that lived in Eurasia during the Pleistocene epoch.

Portrayal in the series
To be added...

A Mammoth Undertaking
Whilst Nigel was defending an injured and grieving woolly mammoth during the night, several cave hyenas were seen stalking him and the mammoth alongside some wolves.

Behind the Scenes

 * The cave hyenas were live-acted by modern spotted hyenas.

Errors

 * Cave hyenas were already extinct for a couple thousand years by the time the episode was set.