Mae’r aderyn bach dirgel yma’n adnabyddus am ei gri iasol ac ar un adeg, cafodd ei gamgymryd am wrachod gan fôr-ladron oddi ar arfordir Cymru! Mae’n teithio miloedd o filltiroedd bob blwyddyn i…

The defensive mechanism of the pill woodlouse is very recognisable - it curls itself into a tight ball, only showing its plated armour to its attacker. It is an important recycler of nutrients,…

Beavers are the engineers of the animal world, creating wetlands where wildlife can thrive. After a 400-year absence, beavers are back in Britain!

This small finch nests on moorlands and coastal crofts, spending the winter on the coast. The UK population has declined dramatically.

The fluffy, white heads of common cotton-grass dot our brown, boggy moors and heaths as if a giant bag of cotton wool balls has been thrown across the landscape!

The grayling is one of our largest brown butterflies and a master of disguise - its cryptic colouring helps to camouflage it against bare earth and stones in its coastal habitats and on inland…