A small, tufted fern, maidenhair spleenwort can be found growing out of crevices between rocks, in walls and on mossy branches across the UK.

Mae'r gweirlöyn brych yn ffafrio golau haul brith rhodfeydd ac ymylon y coetir, gwrychoedd a hyd yn oed gerddi. Er gwaethaf ei ddirywiad, mae ei amrediad wedi lledaenu yn ystod y blynyddoedd…

Also known as the flat topshell, these are one of the most common and colourful sea snails you are likely to see when out on a rockpool safari!

Look out for the distinctive white beak that gives this energetic dolphin its name. Don’t be surprised to see them breach and bowride too!

In mild years, the spring-flowering primrose can appear as early as December. Look out for its pretty, creamy-yellow flowers in woodlands and grasslands.

The slippery butterfish is a common sight in rockpools all around the UK. Look out for the distinctive black spots on their backs that look a lot like eyes!

A pretty, little gull, the kittiwake can be spotted nesting in colonies on clifftops and rock ledges around the UK's coast. It spends the winter out at sea.

The marsh hair moss is the largest moss in the UK. Look out for it in damp woodland and on boggy heathlands where it forms large, green and spikey 'cushions'.

Listen out for the 'chattering' song of the reed warbler, while wandering the UK's lowland wetlands in summer. A small, brown bird, they are quite hard to see.

The fine, downcurved bill of the treecreeper makes this tit-sized bird unmistakeable. Look out for it in woodlands and parks, literally 'creeping' around tree trunks.