The coal tit is mainly found in coniferous woodland, but can also be spotted in gardens and parks. It is smaller than the great tit, but has a similar bicycle pump-like song.

It's easy to see where the blue shark got its name from. These sleek, elegant sharks have beautiful metallic blue backs which provide brilliant camouflage out in the open ocean.

The bearded tit is an unmistakable cinnamon-coloured bird of reedbeds in the south, east and north-west of England. Males actually sport a black 'moustache', rather than a beard!

The house sparrow is a familiar, streaky brown bird of towns, parks and gardens. Males sport a grey cap and black bib, the size of which indicates their status.

A spindly tree of heathland and moorlands, and dry and sandy soils, the Silver birch is well known for its paper-thin, white bark. It is a great coloniser and can quickly spread in an area.

An introduced plant, vervain is widely naturalised in the UK. It is a great source of nectar for all kinds of insects and can be seen on rough grassland, waste ground, coastal cliffs and roadside…

The Atlantic salmon spends most of its life at sea, but makes an epic journey back to the river or stream in which it hatched to spawn. Look out for it in freshwater rivers in the north and west…

The rose-red breast, large black cap and thick bill make the bullfinch easy to identify. A plump-looking bird of woodlands, hedgerows and orchards, it also frequents gardens.

The most commonly encountered ray around the British Isles, it's easy to see where the thornback ray got its name from - just check out the spines on its back!