The Beast of Dean, also given the colloquial name Moose-Pig, is a cryptid

Cryptid

In cryptozoology and sometimes in cryptobotany, a cryptid is a creature or plant whose existence has been suggested but is unrecognized by scientific consensus and often regarded as highly unlikely. Famous examples include the Yeti in the Himalayas and the Loch Ness Monster in...

 that is reported to live, or to have once lived, in the Forest of Dean

Forest of Dean

The Forest of Dean is a geographical, historical and cultural region in the western part of the county of Gloucestershire, England. The forest is a roughly triangular plateau bounded by the River Wye to the west and north, the River Severn to the south, and the City of Gloucester to the east.The...

, Gloucestershire

Gloucestershire

Gloucestershire is a county in South West England. The county comprises part of the Cotswold Hills, part of the flat fertile valley of the River Severn, and the entire Forest of Dean....

, England

England

England is a country that is part of the United Kingdom. It shares land borders with Scotland to the north and Wales to the west; the Irish Sea is to the north west, the Celtic Sea to the south west, with the North Sea to the east and the English Channel to the south separating it from continental...

. It is said to resemble a wild boar (Sus scrofa), but abnormally large in size. In 1802, tired by being harassed by the mysterious giant boar which, reputedly, was large enough to have felled trees and crushed hedges and fences, farmers from the village of Parkend

Parkend, Gloucestershire

Parkend is a village, located at the foot of the Cannop Valley, in the Royal Forest of Dean, West Gloucestershire, England, and has a history dating back to the early 17th century...

 undertook an expedition to capture and kill the creature, but found nothing. It should be remembered that at that time wild boar were extinct in Britain.

In the science-fiction television series Primeval

Primeval

Primeval or primæval may refer to:* Primeval, a British science fiction television series.* Primeval , a 2007 film* Primeval , a score of music from the BBC TV series Doctor Who...

, the Beast of Dean turns out to be a gorgonops

Gorgonops

Gorgonops is an extinct genus of therapsid which lived about 255-250 million years ago, during the latest part of the Permian Period. It was a typical representative of the suborder Gorgonopsia, the dominant predators of their day, which in the largest forms grew to over four metres long...

id that arrived in the present day through a wormhole leading to the Permian

Permian

The PermianThe term "Permian" was introduced into geology in 1841 by Sir Sir R. I. Murchison, president of the Geological Society of London, who identified typical strata in extensive Russian explorations undertaken with Edouard de Verneuil; Murchison asserted in 1841 that he named his "Permian...

period.