The stately grass-of-parnassus displays pretty, white flowers with green stripes. Once widespread, it is now declining as its wetland habitats are disappearing.

Risso’s dolphins are mysterious creatures usually only found in deep, offshore waters.

A familiar black bird of our lakes, ponds and rivers, the moorhen is widespread; look out for its large and untidy-looking nest on the water in spring. It can be distinguished from the similar…

The Canada goose is our most familiar goose, although it is not actually native to the UK. A common and bold bird, it can be found around most parks, lakes, reservoirs and gravel pits.

An attractive, olive-green bird, the greenfinch regularly visits birdtables and feeders in gardens. Look for a bright flash of yellow on its wings as it flies.

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'.