The large, sunshine-yellow flowers of the yellow iris brighten up the margins of our waterways, ponds, wet woods, fens and marshes. Also called the 'flag iris', its outer petals have a…

Horsehair worms are parasitic worms of the clade Nematoida alongside their sister taxa Nematoda, the roundworms. The most famous trait of certain species of horsehair worms is the ability to alter…

From grunts and groans, to 'purring' and 'piglet squealing', the water rail is more often heard than it is seen! This shy bird lives in reedbeds and wetlands, hiding among the…

This birch-loving moth can be seen flying on sunny days in early spring.

The Downlooker snipefly gets its name from its habit of sitting on posts or sunny trees with its head facing down to the ground, waiting for passing prey. It prefers grassland, scrub and woodland…

This bog-loving butterfly is mostly found in the north of the UK, where it takes to the wing in summer.

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…

The much-loved robin is a garden favourite and one of our most familiar birds, adorning Christmas cards every year. It is very territorial, however, and will defend its post with surprising…

This hefty diving bird is a winter visitor to the UK, where it can be seen around the coast or occasionally on large inland lakes.