As it names suggests, the common crossbill has a large bill that is crossed at the tip - perfect for picking the seeds out of pine cones. Look for it in conifer woodlands, mainly in the north and…

The Common osier is a small willow tree that is found in fens and ditches, and on riverbanks. It has been widely cultivated and coppiced for its twigs, which are used in traditional basket-making…

Common laburnum is an introduced species, planted in parks and gardens. It is most recognisable in flower - its hanging bunches of yellow blooms giving it the name 'Golden rain'. It is…

The Crab apple is familiar as a small tree that produces yellow-green, rounded fruit that is used for making jellies and wines. It can be found in woods and hedges, as well as in cultivated…

Living up to its name, the hairy violet is covered in fine hairs. Look for its delicate, violet flowers blooming from March to June on chalk grasslands, in particular.

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 UK is home to so many incredible sea slugs, like this elegant nudibranch.