The recent announcement by the Cairngorms National Park Authority that it will actively consider reintroducing beavers has turned attention to other species that the organisation might consider bringing back. The Cairngorms National Park Authority (CNPA) asked its Ecology Advisor, Dr David Hetherington to assess the potential for conservation measures or re-introduction plans for 22 creatures which have been wiped out or badly affected by hunting, persecution and habitat loss. The species considered include the massive auroch, a form of wild cattle which died out almost 400 years ago but is used for active management of some nature reserves in continental…