The common walnut tree produces a large, brown nut that is familiar to so many of us. It is an introduced species in the UK, found in towns, gardens and parks.

The nuthatch is a tit-sized, grey and rust-coloured bird that can be easily spotted climbing headfirst down tree trunks in woodlands and parks.

Sphagnum mosses carpet the ground with colour on our marshes, heaths and moors. They play a vital role in the creation of peat bogs: by storing water in their spongy forms, they prevent the decay…

An uncommon hedgerow and woodland tree of central and eastern England, purging buckthorn displays yellow-green flowers in spring, and poisonous, black berries in autumn.

The fine, downcurved bill of the treecreeper makes this tit-sized bird unmistakeable. Look out for it in woodlands and parks, literally 'creeping' around tree trunks.

An uncommon tree of wet woodlands, riverbanks and heathlands, alder buckthorn displays pale green flowers in spring, and red berries that turn purple in autumn.

The Norway spruce was introduced into the UK from Scandinavia in the 16th century. It is familiar to us all as the 'original' Christmas tree and displays hanging, reddish-brown, oblong…

A common tree, ash is familiar to many of us for its autumnal bunches of winged seeds, called 'keys'. It can be found in woodlands and prefers damp and fertile soils.