The caterpillars of this fluffy white moth are best admired from a distance, as their hairs can irritate the skin.

Look out for the small Holly Blue in your garden or local park. It is the first blue butterfly to emerge in spring, and a second generation appears in summer. The caterpillars are fond of holly…

Orca, sometimes known as ‘killer whales’, are unmistakable with their black and white markings. Although we do have a small group of orca who live in British waters, you would be lucky to see them…

The common prawn is a familiar sight to anyone who has spent time exploring rockpools - particularly their characteristic quick dart into the darkness just as you spot them!

Enchanter's nightshade is a hairy plant, with rounded leaves that taper to a fine tip, and clusters of small, pinky-white flowers in summer.

The serotine is one of the first bats to appear at night and can be seen around lamp posts chasing moths, or at treetop height. It likes to roost and hibernate in old buildings in the south of the…

This snowy white moth is easily mistaken for the similar brown-tail, until it lifts its abdomen to reveal a burst of golden-yellow.

The pied flycatcher is a summer visitor, migrating here from West Africa to breed. Look for this small, black-and-white bird in woodland, parks and gardens, mostly in the west of the UK.

The wayfaring-tree is a small tree of hedgerows, woods, scrub and downland. It displays creamy-white flowers in spring and red berries in autumn, which ripen to black and are very poisonous.

Mae'r gwyn bach yn ymwelydd gardd cyffredin. Mae'n llai na'r gwyn mawr tebyg, ac mae ganddo lai o ddu ar flaen ei adenydd.