This charming little warbler is an increasingly common sight in autumn, when migrants pass through the UK.

The common whelk is the largest sea snail found in UK seas, though you're more likely to find the dry balls of empty whelk egg capsules washed up in strandlines.

One of 2 seahorses found in UK seas, short snouted seahorses are recognisable by their shorter snout - surprisingly enough!

The wasp spider is a great mimic - looking just like a common wasp keeps it safe from predators, even though it is not dangerous itself. It can be found in southern England, but is spreading north…

The UK's smallest whale, the minke whale, is notoriously inquisitive around boats and is even known to breach clear of the water. Beware though - their fragrant breath has given them the…

A sprawling plant, wild liquorice often has large, kinked stems. It favours woodland, scrub and grassland habitats on chalky soils - look for pea-like flowers and pods. This liquorice is not…

This large shrike visits the UK in small numbers each year, passing through on migration or spending the winter here.

This well-camouflaged woodpecker used to be a common breeding bird in Britain, but is now only likely to be seen passing through on migration.

This dainty white butterfly is now only found in a few parts of Britain, where it flutters slowly through woodland clearings.