The ringlet gets its name from the small rings on the undersides of its wings. These rings show variation in the different forms of this species, even elongating into a teardrop shape.

The huge white-tailed eagle is our largest bird of prey. Persecuted to extinction in the UK, it has been successfully reintroduced in Scotland. Look for it on the Isle of Mull and off the west…

A voracious predator that will even eat other dragonflies, the golden-ringed dragonfly is the UK's longest species. It can be found around acidic streams in moorland and heathland habitats.…

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.

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.

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…

Fennel has feathery leaves and open, umbels of yellow flowers. It was probably introduced by the Romans for culinary use, and is now a naturalised species of verges, waste ground and sand dunes.…

As its name suggests, Himalayan balsam is from the Himalayas and was introduced here in 1839. It now an invasive weed of riverbanks and ditches, where it prevents native species from growing.

An introduced species, the Rhododendron leafhopper is a striking mix of green and red, with a black stripe across its face. It can be found feeding on Rhododendrons (also introduced) in Southern…

Living up to its name the Common blue damselfly is both very common and very blue. It regularly visits gardens - try digging a wildlife-friendly pond to attract damselflies and dragonflies.