Mae tylluanod brech yn dylluanod brown cyfarwydd yng nghoetiroedd, parciau a gerddi Prydain. Maent yn cael eu hadnabod am eu cân ‘tŵ-wit tŵ-hŵ’ sydd i’w chlywed yn ystod y nos.

The spiny spider crab lives up to its name in every way! Their distinctive spiny shells are often found washed up on beaches.

The moon jelly is the most common jellyfish in UK seas, often washing up on our beaches. No need to worry though - it doesn't sting humans.

Sometimes called 'Marsh samphire', wild common glasswort is often gathered and eaten. It grows on saltmarshes and beaches, sometimes forming big, green, fleshy carpets.

One of the joys of a spring day is watching a fluttering, lemon-yellow brimstone alight on a flower - an early sign that the seasons are changing. It is commonly spotted in gardens, woodland and…