During the breeding season, the common tern can be seen around our coasts and also inland at gravel pits, reservoirs and lakes. It nests in noisy colonies and can be spotted plunge-diving for fish…

The graceful great crested grebe is a familiar sight on our lakes and reservoirs, and is well-known for its elaborate courtship dance, during which it rises vertically out of the water and shakes…

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

The herring gull is the typical 'seagull' of our seaside resorts, though our coastal populations have declined in recent decades.

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

Sand eels are a hugely important part of our marine ecosystem. In fact, the fledgling success of our breeding seabirds entirely depends on them.

This is a predominantly subtidal species but can be found on the lowest parts of a sheltered rocky shore in summer.

Europe's largest frog is not naturally found in the UK, but was introduced to Kent and has spread throughout the southeast.