The kingfisher blue stripes of a blue-rayed limpet are a magical sight whilst rockpooling - you'll need to go on a very low tide though as their favourite home is on kelp.

Often growing in swathes along a roadside or field margin, the oxeye daisy is just as at home in traditional hay meadows. The large, white, daisy-like flowers are easy to identify.

The eel is famous for both its slippery nature and its mammoth migration from its freshwater home to the Sargasso Sea where it breeds. It has suffered dramatic declines and is a protected species…

Sometimes called 'Marsh samphire', wild common glasswort is often gathered and eaten. It grows on saltmarshes and beaches, sometimes forming big, green, fleshy carpets.

The shy and retiring bittern is a master of blending in and can be very difficult to spot in its reedbed home. It does sound like a booming foghorn, however, when it calls, so can often be heard…

A dark, stocky warbler, the Cetti's warbler is most likely to be heard, rather than seen - listen out for its bubbling song among willow, marsh and nettles.

The willow tit lives in wet woodland and willow carr in England, Wales and southern Scotland. It is very similar to the marsh tit, but has a distinctive pale panel on its wings.