Red-breasted carrion beetle
These distinctive beetles are often found around dead birds and small mammals.
Red-breasted merganser
The streamlined red-breasted merganser is a handsome bird and a great fisher - its long, serrated bill helps it to catch and hold its slippery fish prey. It is most commonly spotted around the coast in winter.
Red-crested pochard
This striking duck was introduced to the UK and is now established as a breeding bird in England.
Red-eyed damselfly
The Red-eyed damselfly is a small, but robust, damselfly of canals, ponds, lakes and slow-flowing rivers. As its name suggests, it has bright blood-red eyes, but a mostly black body.
Red-headed cardinal beetle
A bright red beetle, with black legs and knobbly antennae, the red-headed cardinal beetle lives up to its name. Look for it in woodland, along hedgerows and in parks and gardens over summer.
Red-legged partridge
A plump gamebird, the red-legged partridge is an introduced species that seems to have settled here with little problem. It can be spotted in its favoured open scrub and farmland habitats.
Red-necked grebe
Red-necked grebes occasionally attempt to nest in the UK, but they're more often seen as winter visitors to sheltered coasts.
Red-tailed bumblebee
Living up to its name, the red-tailed bumblebee is black with a big, red 'tail'.
Red-tailed mason bee
Also known as the two-coloured mason bee, this beautiful bee is famous for nesting in old snail shells.
Red-throated diver
The red-throated diver lives up to its name - the distinctive red patch on its throat heralds the breeding season. In summer, it nests in Scotland, but look out for it around the UK's coast during winter.
Reddish buff
A very rare species, this moth is now limited to one site in the UK. Males can be a striking reddish buff in colour.
Redshank
The redshank lives up to its name as it sports distinctive long, bright red legs! It feeds and breeds on marshes, mudflats, mires and saltmarshes. Look out for it posing on a fence post or rock.