Mae gwenyn meirch yn gyfarwydd iawn ond er hynny, dydyn nhw ddim yn boblogaidd iawn! Ond rhowch siawns i’r ffrindiau du a melyn yma, oherwydd maen nhw’n beillwyr pwysig a hefyd yn dda iawn am…

Our most familiar fern, bracken can be found growing in dense stands on hillsides, moorland, heathland and in woodlands. It is very large and dies back in winter, turning the landscape orangey-…

Forming mats of straight, bright green stems, Common spike-rush does, indeed, look like lots of tightly clustered 'spikes' near the water's edge of our wetland habitats.

The silver Y migrates to the UK in massive numbers each year - sometimes, an estimated 220 million can reach our shores in spring! Seen throughout the year, it is very common in gardens and…

A non-native species originating from Asia, the harlequin ladybird is prevalent in towns and gardens.

Sika deer were introduced to the UK in the 19th century. They are native to eastern Asia.

Despite appearances, this weird and wonderful creature is not a jellyfish! They're sometimes found washed up on our shores after westerly winds. Look but don't touch - they give a very…

Bloody crane's-bill has striking magenta flowers that pepper our rare limestone pavements, grasslands and sand dunes with summer colour. It is a favourite of all kinds of insects, including…

The broad centurion, or 'green soldier fly', is one of our most common soldier flies, and is often found in gardens. It has hairy eyes and a metallic blue or bronze body. It is an…

Despite its name, the common gull is not as common as some of our other gulls. It can be spotted breeding at the coast, but is also partial to sports fields, landfill sites and housing estates in…