Wedi'i gyfyngu'n bennaf i ogledd y DU, mae’r bele prin yn nosol ac yn anodd iawn ei weld. Fodd bynnag, gellir ei hudo i ymweld â bwrdd adar llawn pysgnau.

This distinctive black and red bug is an increasingly common sight across much of Britain.

The thick topshell is a common sight on rocky shores in Wales and South West England.

This purply-brown seaweed is a common feature on our rocky shores and on our dinner plates.

This beautiful beetle only arrived in the UK in 1960s but is now a common sight on garden herbs.

This big, beautiful fungus is a common one that can often be spotted popping out of trees.

Edible periwinkles are a common sight when rockpooling and can be found in huge numbers on the shore.

This shiny beetle is common in wooded areas throughout the UK. As the name suggests, it specialises in hunting snails.

A common moth across most of the UK. The large, hairy caterpillars are often seen in late summer.

This charming little warbler is an increasingly common sight in autumn, when migrants pass through the UK.