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…

This is probably the most widespread and commonest of the marsh orchids.

The marsh hair moss is the largest moss in the UK. Look out for it in damp woodland and on boggy heathlands where it forms large, green and spikey 'cushions'.

This beautiful butterfly is one of our rarest, now mostly restricted to the western parts of the UK.

Europe's largest frog is not naturally found in the UK, but was introduced to Kent and has spread throughout the southeast.

Nudibranchs, also known as sea slugs, are much like their land-based relatives that you may spot in your garden. But, unlike your regular garden slug, the nudibranch can incorporate the stinging…