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 huge white-tailed eagle is our largest bird of prey. After being persecuted to extinction in the UK, it has been successfully reintroduced in Scotland and, more recently, to the Isle of Wight…

The tiny, grey-brown house mouse is one of our most successful mammals. It thrives around buildings but is less likely to be found in our houses these days due to better construction.

A tall plant, Rosebay willowherb is a successful coloniser; it can form dense stands of bright pink flower spikes on disturbed ground, such as woodland clearings, verges and waste ground.

The herring gull is the typical 'seagull' of our seaside resorts, though our coastal populations have declined in recent decades.

Seeing a red kite soaring high in the sky is a true delight! Once a very rare bird, thanks to successful reintroduction projects these wonderful birds can now be seen in lots of places in the UK…