© Kevin Pluk / Shutterstock Aurochs (cow) Europe’s original wild cattle, the huge aurochs would have fundamentally influenced the shape of Britain’s landscapes
© Ondrej Prosicky Elk A woodland forager and wetland grazer, the mighty elk is a major shaper of landscapes
© Philip Price / scotlandbigpicture.com Eurasian beaver Nature’s busy aquatic architect is a formidable tree feller, river changer and wetland creator.
© Shutterstock European bison Through grazing, foraging, wallowing and trampling, the hefty bison boosts habitat diversification
© Danny Green / 2020Vision Red deer Britain’s largest deer species and grandest surviving mammal is a key shaper of landscapes and habitats
© Mark Hamblin / scotlandbigpicture.com Roe deer A medium-sized woodland browser with a rusty red summer coat, white rump and no tail
© Shutterstock Wild horse (pony) Wild horses and ponies can play a leading role in rewilding due to their selective grazing of tougher grasses