The mountain hare lives in the Scottish Highlands and the north of England. They are renowned for turning white in winter to match their upland surroundings.

Guillemots really know how to live life on the edge – quite literally! They nest tightly packed on steep ledges and cliffs around the coast. This may sound like a strange nesting spot, but it…

Traditionally a small finch of woodland and scrub, it appears that the lesser redpoll is now moving into our gardens. It has a streaky brown body, red forehead and black bib, and mostly feeds on…

Their long narrow shells are a common sight on our shores, especially after storms, but the animals themselves live buried in the sand.

Although they might not look it, sea cucumbers like this one belong to the Echinoderm group and are therefore closely related to starfish and sea urchins

The river lamprey is a primitive, jawless fish, with a round, sucker-mouth which it uses to attach to other fish to feed from them. Adults live in the sea and return to freshwater to spawn.