The lesser whitethroat is smaller than its cousin, the whitethroat, and sports dark cheek feathers that give it a 'mask'. Most likely to be heard around woodland and scrub, rather than…

The velvet shank can be found clustered on the dead and dying wood of deciduous trees, such as elm, ash, beech or oak. It has a bright orange cap and can be seen throughout winter.

Wild marjoram is actually the same aromatic herb as oregano which is used in Mediterranean cooking. Its small, pink flower clusters can be seen on chalk and limestone grasslands in summer.

The Black-tailed skimmer is a narrow-bodied dragonfly that can be seen flying low over the bare gravel and mud around flooded gravel pits and reservoirs. It is on the wing from May to August.

A large hawker, the Common Hawker can be seen throughout the summer and into autumn. A fast-flying insect, it catches its prey mid-air. Look for it around ponds in the uplands of the north and…

The ivy bee is a new arrival to the UK. First recorded here in 2001, it is slowly spreading north. It feeds mainly on the nectar of ivy flowers and can be seen in autumn when this plant is in…

The red admiral is an unmistakable garden visitor. This black-and-red beauty may be seen feeding on flowers on warm days all year-round. Adults are mostly migrants, but some do hibernate here.

If seen up close, the glittering Ruby-tailed wasp is, perhaps, one of the UK's most beautiful insects. A solitary wasp, it can be found in sandy and rocky habitats like quarries, outcrops and…

The sinuous otter is an excellent swimmer and can be seen hunting in wetlands, rivers and along the coast - try the west coast of Scotland, West Wales, the West Country or East Anglia for the best…

This slender shark gets its name from the spines in front of its dorsal fin. It can use these spines to defend itself by curling in a bow and striking at a predator.

The enigmatic golden eagle disappeared from England and Wales in the 19th century due to severe persecution. Scottish birds suffered from the use of pesticides in the 20th century. Luckily, golden…

The Broad-bodied chaser is a common dragonfly that can be seen in summer around ponds and lakes, and even in gardens. It lives up to its name: its flattened body gives it a fat, broad look.