Our smallest breeding seabird, the storm petrel is barely larger than a house martin! They mostly nest among rocks or in burrows on small offshore islands.

Often confused with the larger but similarly shaped lion’s mane jellyfish, the blue jellyfish can be colourless when young and develop a striking blue-purple bell as it matures.

This stocky wader is mostly a winter visitor to the UK, where it can be found on rocky, seaweed-covered coasts, often with groups of turnstones.

A delicate wader, Red-necked phalaropes are as comfortable swimming as they are on land. Unusually for birds, the females are more brightly coloured than the males.

The silvery chub can be seen gathering in large shoals in lowland rivers and streams. It is a member of the carp family and looks very similar to the dace, but is larger and has redder fins.

As its name suggests, the large skipper is bigger than the similar-looking small skipper! It can be seen in summer, resting on the long grass of grasslands, woodlands, verges and sand dunes.

The male whitethroat does, indeed, have a white throat! Arriving from Sub-Saharan Africa in April, it can be spotted on grassland and scrub, and along hedgerows. It is bigger than the lesser…

The tiny, brown wood mouse is one of our most common rodents and is very likely to be found in the garden. It is similar to the house mouse, but has larger ears and eyes relative to its size.

One of the UK’s rarest marine species, this giant of the rocky shore is a very special fish.

This beautiful butterfly is one of our rarest, now mostly restricted to the western parts of the UK.