|Time period :||Pleistocene epoch|
|In the series|
|Brought back :||None|
|Appearances :||A Mammoth Undertaking|
Cave hyenas were prehistoric subspecies of the spotted hyena that lived during the Pleistocene epoch.
Behind the ScenesEdit
- The cave hyenas were live-acted by spotted hyenas.
- The Cave Hyena should be extinct by 10,000 years ago.