This glossy wading bird is a scarce visitor to the UK, though records have become more common in recent decades.

This stunning hermit crab has only returned to our southern shores in recent years. Let us hope it stays for good this time!

The yellow meadow ant is known for creating anthills in grassland habitats. It has a close relationship with the Chalkhill blue butterfly - protecting the larvae in return for a sugary substance…

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.

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…

A small fish found on rocky shores in the south and west of Britain.