Mae gweld barcud yn hedfan yn uchel yn yr awyr yn bleser pur! Arferai fod yn aderyn prin iawn ond diolch i brosiectau ailgyflwyno llwyddiannus, mae’r aderyn yma i’w weld mewn llawer o lefydd yn y…

It's easy to see where the snakelocks anemone got its name when you spot its flowing tentacles. But be careful when out rockpooling, those tentacles give a nasty sting!

Look out for a common lizard basking in the warm sun as you wander around heathlands, moorlands and grasslands. You might even be lucky enough to spot one in your garden, too!

The wasp spider is a great mimic - looking just like a common wasp keeps it safe from predators, even though it is not dangerous itself. It can be found in southern England, but is spreading north…

Sea-buckthorn is a spiny, thicket-forming shrub of sand dunes. It's native to the east coast of England but considered an invasive species elsewhere. It is most obvious in autumn when it is…

The broad-bodied chaser is a common dragonfly that can be seen in summer around ponds and lakes, and even in gardens. It lives up to its name: its flattened body gives it a fat, broad look.

Tormentil can be found growing on acid grassland, heathland and moorland, but even pops up alongside roads. It bears yellow, buttercup-like flowers, but with only four petals (buttercups have five…

The green sandpiper is a very rare breeding bird in the UK, and is mainly seen on migration in autumn. Look out for it feeding around marshes, flooded gravel pits and rivers. It even likes sewage…

The UK's smallest whale, the minke whale, is notoriously inquisitive around boats and is even known to breach clear of the water. Beware though - their fragrant breath has given them the…

It's easy to see where the compass jellyfish got its name – its brown markings look just like a compass! They may look beautiful – but they give a nasty sting so keep your distance.

This small reddish-purple seaweed grows in small branching fans on rocky shores. It is widely used in the food industry - and might have been used to produce your ice cream, beer or even jelly!…