The muntjac deer was introduced into the UK from China in the 20th century. It has gained a stronghold in southeast England, where it can cause damage to our woods through browsing.

Often confused with the larger but similarly shaped lion’s mane jellyfish, the blue jellyfish can be colourless when young and develop a striking blue-purple bell as it matures.

The hawfinch is the UK's largest finch, with an enormous bill powerful enough to crush a cherry stone. Despite their size, they are typically elusive, especially during the summer nesting…

The once-common pochard is now under threat because its populations are declining rapidly. The UK is an important winter destination for the pochard, with 48,000 birds visiting our wetlands and…

A ferocious and agile predator, the green tiger beetle hunts spiders, ants and caterpillars on heaths, grasslands and sand dunes. It is one of our fastest insects and a dazzling metallic green…

Plaice is a common sight all around our coasts - if you can spot it! They are extremely well camouflaged against the seabed and can even change colour to better match their surroundings.

The stock dove looks very much like the woodpigeon, but without the white neck and wing patches. It can be spotted in woodlands and parks, and on farmland in winter, but rarely visits our gardens…

The common scoter has suffered large declines in the UK, threatening its survival here. Look out for this duck feeding at sea in winter when its numbers are bolstered by migrating birds.

Giants of the jellyfish world, these incredible creatures are the UK’s largest jellyfish! They can grow to the size of dustbin lids – giving them their other common name: dustbin-lid jellyfish.…

Common sea-lavender can be found around our coasts on mudflats, creek banks and saltmarshes. Despite its name, its not a lavender at all, so doesn’t smell like one.

The garden tiger is an attractive, brown-and-white moth of sand dunes, woodland edges, meadows and hedgerows; it will also visit gardens. In decline, it is suffering from the 'tidying up…