Field elm suffered declines due to the devastating effects of Dutch elm disease, but can still be found across much of the UK.

The lesser spotted woodpecker is the smallest of the UK's woodpeckers. Listen out for its drumming, which is quieter than that of the great spotted woodpecker, in woodland, parks , orchards…

A low-growing herb of chalk and limestone grassland, Salad burnet lives up to its name - it is a popular addition to salads and smells of cucumber when crushed!

Brush through a wildflower meadow at the height of summer and you'll hear the tiny seeds of yellow-rattle rattling in their brown pods, hence its name.

This slim fish is usually found on gravelly parts of the seabed, close to shore, but can turn up in rockpools.

These large rocky shore fish look like they belong in deeper waters, but they are the find of the day for any rockpooler!

This funny-looking fish certainly won't be winning any beauty pageants, but it's a real contender for Father of the Year!

Spiny lobster, crawfish, crayfish, rock lobsters - many names, one animal! This pretty lobster was made extinct in many areas through overfishing, but is now making a slow comeback.

These colourful little fish are a delight for snorkellers or shallow water divers to photograph, rarely being scared off by their presence!

The ocean sunfish is the second largest bony fish on the planet and visits UK seas during the summer months to feast on jellyfish.

This large burrowing bivalve, also known as the Icelandic cyprine, is found on sandy seabeds around much of the UK. It is the longest-lived animal known to man, with one individual found to be 507…