Planaria are flatworms in the phylum Platyhelminthes with amazing regeneration abilities giving them the title 'immortal under the edge of a knife'. There are many different species that…

The bonnet-shaped, violet-blue flowers of Columbine can be spotted in damp areas in woodlands and in fens. It is also an attractive and much-loved garden plant.

The notch-horned cleg-fly isa horse fly dark grey in colour, with grey-brown mottled wings and intricately striped, iridescent eyes. There are 30 species of horse-fly in the UK; this is one of the…

An introduced species, Common evening-primrose is now naturalised on waste ground, roadside verges and railway cuttings. It has long been used to produce the herbal remedy, evening-primrose oil.…

Ivy-leaved toadflax is an introduced species in the UK that has become widely naturalised. Look for creeping along old walls and pavements, and shingle beaches. Its flowers resemble those of…

The thresher shark is a migratory species and passes through UK waters in the summer months. If you’re lucky, you might see this magnificent shark jump high out of the water in to the air.

Yellow corydalis is a familiar 'weed' of gardens, walls and rocky places. It is a garden escapee in the UK, so is not a native plant. Try choosing natives for your garden to prevent…

A king among birds, the goldcrest displays a beautiful golden crown. Our smallest bird, it can be spotted in conifer woodlands and parks across the UK.

A pretty, little gull, the kittiwake can be spotted nesting in colonies on clifftops and rock ledges around the UK's coast. It spends the winter out at sea.