Badgers are nocturnal and rarely seen during the day. When not active, badgers usually lie up in an extensive system of underground tunnels and nesting chambers, known as a sett.
Common shrews are one of Britain’s most abundant small mammals. They are recognisable from their long, narrow, twitching snout, silky brown fur and grey underside.
The bottlenose dolphin is a large stocky dolphin around 2.5-3.0m in length. They have a large sickle shaped fin and they can leap right out of the water.
The common dolphin is also known as the short-beaked common dolphin and is one of the smallest of the dolphins, measuring 2.1 - 2.4 metres in length.
Dormice occur mainly in southern counties, especially in Devon, Somerset, Sussex and Kent.
Field voles have grey-brown fur above, creamy-grey fur below, has a tail much shorter than the bank vole, and fur is shaggier, covering the ears.
The grey seals (Halichoerus grypus) are very large animals, males can grow up to 3 metres long and weigh 300kg!
The harbour porpoise is the smallest species of cetacean found in European waters, measuring around 1.3 - 1.5 metres in length. It is often confused with dolphins, particularly the bottlenose dolphin.
Harvest mice (Micromys minutus) are Britain’s smallest rodent, weighing around 4-6g as adults, with a head and body length of 50-70mm.
Hedgehogs are our only spiny mammals. They have a short inconspicuous tail, small ears and relatively long legs, which are all covered with dense, sharp, brown spines.
Moles spend almost all their lives underground in a system of permanent and semi-permanent tunnels, surface tunnels are usually short-lived.
Otters can travel over large areas. Some are known to use 20 kilometres or more of river habitat.
Pine marten (Martes martes). Dark brown fur; yellow/white throat patch; long fluffy tail; about the size of a small cat.
Polecats are found throughout Wales where valleys and farms are favoured, the midlands and parts of central southern England, and are spreading steadily from these areas.
The Pygmy Shrew is a very small mammal with a markedly pointed snout. As in the common shrew the fur is greyish brown (dirty white ventrally) but the pygmy shrew is smaller and has a proportionately longer and thicker tail.
The fox is a member of the dog family and is recognised by its orange-reddish fur, it has overtaken grey wolves as the most common canines in the wild.
The Red squirrel's (Sciurus vulgaris) fur colour varies from bright ginger through to red and dark brown or black tinged with grey in winter.
Roe deer are widespread throughout Scotland and much of England, and in many areas they are abundant.
Stoats (Mustela ermine) have Long slender bodies with short legs. Medium to short tail always with a black tip.
Water shrews are the largest of the British shrews. These frantic little mammals are very well adapted to an aquatic lifestyle.
Weasel (Mustela nivalis) - Their fur is ginger to russet brown, cream below, undulating border between. Long slender body, short tail (and no black tip). Slightly smaller than the stoat.
Found throughout the British Isles, even on the smaller islands, the wood mouse is our most common and widespread wild rodent.