The largest mammal species in the UK is the red deer. They are typically found in woodland areas, moorlands and mountains. Male red deer can weigh up to 200 kg, while females weigh up to 120 kg.
The largest mammal species in the UK is the Eurasian elk, also known as the European elk or moose. The Eurasian elk is the largest mammal species in the UK, reaching up to 2.3 meters in height and weighing up to 600 kilograms.