The grayling is one of our largest brown butterflies and a master of disguise - its cryptic colouring helps to camouflage it against bare earth and stones in its coastal habitats and on inland…

Traditionally a small finch of woodland and scrub, it appears that the redpoll is now moving into our gardens. It has a streaky brown body, red forehead and black bib, and mostly feeds on seeds.…

The sweet chestnut is famous for its shiny brown fruits, or 'chestnuts', that are wrapped in a spiky, green casing and make a tasty winter treat. Look for this tree in woodlands in South…

Gellir gwełd y chwilod mawr, brown yma’n heidio o amgylch golau stryd yn y gwanwyn. Maen nhw’n byw o dan y ddaear fel larfa am flynyddoedd ac wedyn yn dod allan fel oedolion, mewn niferoedd mawr…

Have you ever seen those worm-like mounds on beaches? Those are a sign of lugworms! The worms themselves are very rarely seen except by fishermen who dig them up for bait.

A tall, broad tree of woodlands, roadsides and parks, the introduced horse chestnut is familiar to many of us the 'conker' producing tree - its shiny, brown seeds appearing in their…

Look out for the white, umbrella-like flower heads of lesser water-parsnip along the shallow margins of ditches, ponds, lakes and rivers. When crushed, it does, indeed, smell like parsnip!

Bottlenose dolphins in British waters are the biggest of their kind – they need to be able to cope with our chilly waters! They are very sociable and will happily swim alongside boats, providing…

The knopper gall wasp produces knobbly red, turning to brown, growths, or 'galls', on the acorns of Pedunculate Oak. Inside the gall, the larvae of the wasp feed on the host tissues, but…