Afancod yw peirianwyr byd yr anifeiliaid; os nad yw eu cartref yn ddigon da, nid yw gwneud ambell welliant yn creu unrhyw broblem iddyn nhw! Mae’r anifeiliaid anhygoel yma wedi addasu’n berffaith…

Plaice is a common sight all around our coasts - if you can spot it! They are extremely well camouflaged against the seabed and can even change colour to better match their surroundings.

The fearsome common backswimmer hunts insects, tadpoles and fish. It uses its oar-like legs to swim upside-down under the water's surface where unsuspecting prey can be found.

The egg-shaped, crimson flower heads of Great burnet give this plant the look of a lollipop! It can be found on floodplain meadows - a declining habitat which is under serious threat.

A ferocious and fast predator, the Devil's coach horse beetle hunts invertebrates after dark in gardens and on grasslands. It is well-known for curling up its abdomen like the tail of a…

A pretty and distinctive little waterbird, the mandarin duck was introduced from the Far East as its name suggests. Oddly for a duck, it nests in trees, sometimes high above the water.

Wood melick is a slender, drooping grass that grows in dense patches in ancient woodlands and along shady banks. It has nodding flower heads, with brown, egg-shaped spikelets that contain the…

Sika deer were introduced to the UK in the 19th century. They are native to eastern Asia.

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…