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.

The lesser stag beetle may be smaller than its famous cousin, but it is still a large beetle with large jaws. It can be seen in woods, parks and hedgerows during summer, and depends on dead wood…

Native oysters are a staple of our seas and our plates - but our love of their taste has lead to a sharp decline all around the UK.

This gentle giant is the largest shark in UK seas, reaching up to 12m in length. There's no need to fear them though, they only eat plankton!

The moon jelly is the most common jellyfish in UK seas, often washing up on our beaches. No need to worry though - it doesn't sting humans.

The silver-washed fritillary gets its name from the silver streaks on its underside. It is on the wing in summer, preferring sunny glades in woodlands. Despite declines, its range has spread over…

Saw-wort gets its common name from the serrated, saw-like edges to its leaves. It is a plant of unimproved hay meadows and woodland edges, its purple, thistle-like flowers appearing over summer.…

A common plant of disturbed ground like roadside verges and field edges, the spear thistle has purple, fluffy flower heads that appear in summer. Its flowers attract insects and its seeds feed…

Famous for its fearsome jaws, the stag beetle does not have the bite to match. Look for it in woods, parks and gardens in South East England in summer. Males display their massive jaws to attract…