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.

Cock's-foot is a common, tussocky grass of grasslands, woodland rides and cultivated ground - its fluffy, pinky-beige flower heads are quite distinctive.

The tawny grisette has an orange-brown cap and a tall, slender stem that arises from a conspicuous cup-like sack. It can be found in woodlands, particularly those with Birch, but also on heaths.…

The comma has distinctively ragged wing edges, which help to camouflage it - at rest, it looks just like a dead leaf! It prefers woodland edges, but can be spotted feeding on fallen fruit in…

The green hairstreak is the UK's only green butterfly. Look out for the vibrant, metallic sheen of the undersides of its wings on grassland and moorland, and along woodland rides.

The pearl-bordered fritillary is a striking orange-and-black butterfly of sunny woodland rides and clearings. It gets its name from the row of 'pearls' on the underside of its hindwings…

Look for the pretty, azure-blue flowers of Wood forget-me-not along woodland rides and hedgerows, and in ancient and wet woodlands. Varieties of this flower for the garden are very popular.

Also known as 'Goldmoss' due to its dense, low-growing nature and yellow flowers, Biting stonecrop can be seen on well-drained ground like sand dunes, shingle, grasslands, walls and…

Looking a bit like a ragged version of a dandelion, mouse-ear hawkweed has lemon-yellow flower heads that are tinged with red at their outer edges. It likes grassy places with short turf and…