Largely confined to the north of the UK, the rare pine marten is nocturnal and very hard to spot. However, it can be enticed to visit a peanut-laden birdtable.

The tiny, brown-and-white sand martin is a common summer visitor to the UK, nesting in colonies on rivers, lakes and flooded gravel pits. It returns to Africa in winter.

As its name suggests, the house martin can be spotted nesting in the eaves of houses in our towns and villages. Its intricate mud nests take days to build and are often returned to and used in…

The Tawny mining bee is a furry, gingery bee that can often be seen in parks and gardens during the springtime. Look for a volcano-like mound of earth in the lawn that marks the entrance to its…

This black and grey solitary bee takes to the wing in spring, when it can be seen buzzing around burrows in open ground.

The long mane of tentacles that stream out from the lion's mane jellyfish is stunning… literally! Look but don't touch when it comes to these jellyfish - they give a powerful sting.

The Carline thistle produces distinctive brown-and-golden flower heads that look like a seeded thistle. These flowers are attractive to a wide range of butterflies, including the very rare Large…

The oak marble gall wasp produces brown, marble-shaped growths, or 'galls', on oak twigs. Inside the gall, the larvae of the wasp feed on the host tissues, but cause little damage.

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