With a silvery body, and purple, pink and bluish streaks down its flanks, the rainbow trout lives up to its name. Popular with anglers, it is actually an introduced species in the UK.

The Natterer's bat can found across the UK, although it is a scarce species. It prefers to forage low down among trees, often taking prey directly from the foliage.

The bird cherry can be found in wet woodlands and along streams in upland areas, in particular. Its fragrant blossom appears in April and is followed by bitter, black fruits - good for wildlife,…

The male whitethroat does, indeed, have a white throat! Arriving from Sub-Saharan Africa in April, it can be spotted on grassland and scrub, and along hedgerows. It is bigger than the lesser…

In April and May, our ancient woodlands are awash with the much-loved, nodding heads of the bluebell. Millions of bulbs can exist in just one wood, giving rise to the 'blue carpets' that…

In April and May, our ancient woodlands are awash with the white, starry flowers and smell of wild garlic. Millions of bulbs can exist in just one wood, giving rise to dazzling 'white carpets…

The small copper lives up to its name in both colour and size! Look out for it from April onwards in dry, sunny habitats like heathland, downland and woodland. It can be spotted in gardens, too.…

Crosswort gets its name from the position of its leaves - they surround the stem in groups of four, making a cross shape. The tiny, yellow flowers sit atop these crosses and bloom from April to…

Our most familiar wild violet, the Common dog-violet can be spotted in a range of habitats from woodland to grassland, hedgerows to pastures. Its pansy-like, purple flowers appear from April to…

The wolf spider can be found in a wide range of habitats, including the garden. It hunts down its prey, leaping on it just like a wolf. Spiders are beneficial neighbours, helping to manage garden…

The gadwall is a dabbling duck, feeding at the surface of shallow water by 'upending' - putting its head down and its bottom up! Only a small number of gadwall nest in the UK, but large…

The St Mark's fly is small, black and shiny. It is so-called because it emerges around St Mark's Day, April 25th. Large numbers of adults can be found in woodland edges, hedgerows,…