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.

A classic fern of woodlands across the UK, the male-fern is also a great addition to any garden. It grows impressive stands from underground rhizomes, dying back in autumn.

Although introduced by the Normans, the fallow deer has been here so long that it is considered naturalised. Look out for groups of white-spotted deer in woodland glades.

Standing proud and tall, the red deer is our largest deer. With its massive antlers, it is an unmistakeable icon of the Scottish Highlands, but can be seen in northwest and southern England, too…

Sika deer were introduced to the UK in the 19th century. They are native to eastern Asia.

The attractive roe deer is native to the UK and widespread across woodland, farmland, grassland and heathland habitats. Look for its distinctive pale rump and short antlers.

Chinese water deer are easily distinguished from other deer by their strange teddy bear like appearance and the huge canine tusks displayed by the stags.

Many of us have felt the painful bite of the Twin-lobed deer-fly (a 'horse-fly') while out walking in damp grasses or woods. But mostly, it prefers to feed on the blood of cows and…

As the name suggests, the male blackcap has a black cap, while the female has a gingery one. Look for this distinctive warbler in woodland, parks and gardens.

The courtship of the marsh harrier is certainly a sight to behold - wheeling and tumbling through the sky, male and female partners lock talons in mid-air. Look out for this rare bird over…