Swifts spend most of their lives flying – even sleeping, eating and drinking – only ever landing to nest. They like to nest in older buildings in small holes in roof spaces.

The brown shrimp blends perfectly with its seabed home and is found all around the coasts of the UK.

The bearded tit is an unmistakable cinnamon-coloured bird of reedbeds in the south, east and north-west of England. Males actually sport a black 'moustache', rather than a beard!

Horsehair worms are parasitic worms of the clade Nematoida alongside their sister taxa Nematoda, the roundworms. The most famous trait of certain species of horsehair worms is the ability to alter…

Small-spotted catsharks used to be called lesser-spotted dogfish - which might be what you know them best as. It's the same shark, just a different name!

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

Sea lettuce is unmistakeable - most often a bright green and always translucent, it is found on all UK coasts.

Heralding spring, a carpet of sunshine-yellow lesser celandine flowers is a joy to see on a woodland walk. Look out for it along hedgerows, in parks and even in graveyards, too, from March onwards…