Britain's largest 'diving beetle' is an impressive creature, though it's not easy to find.

Mackerel are a sign of summer's arrival, when they appear inshore in huge numbers all around the UK. As well as being a sustainable seafood choice, they are an important food source for many…

Found around our coasts during the breeding season, the large Sandwich tern can be spotted diving into the sea for fish such as sandeels. It nests in colonies on sand and shingle beaches, and…

This huge gull can be seen around most of the UK's coasts in summer, with some venturing inland in winter.

Considered Britain's most threatened butterfly, the high brown fritillary can be only be found in a few areas of England and Wales.

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