Er ei fod braidd yn swil, mae’r mamal morol rhyfeddol yma i’w weld yn agos at y lan mewn dyfroedd bas. Os byddwch chi’n llwyddo i fynd yn agos ato, cofiwch wrando am y sŵn ‘pwffian’ uchel mae’n ei…

The common whelk is the largest sea snail found in UK seas, though you're more likely to find the dry balls of empty whelk egg capsules washed up in strandlines.

The fluffy, white heads of common cotton-grass dot our brown, boggy moors and heaths as if a giant bag of cotton wool balls has been thrown across the landscape!

Kissing under the mistletoe is a much-loved Christmas tradition, making this plant familiar to us all. It actually grows as a parasite on trees - look for it hanging off branches in large balls…

A great way to get up close and personal with the magnificent osprey is via one of the many nestcams set-up in the places that it breeds: Scotland, Cumbria, Wales and the East Midlands.

The thresher shark is a migratory species and passes through UK waters in the summer months. If you’re lucky, you might see this magnificent shark jump high out of the water in to the air.

Have you ever seen the curious face of a grey seal bobbing in the waves when visiting the beach? Grey seals can be seen lying on beaches waiting for their food to go down. Sometimes they are…

Male capercaillies perform spectacular communal displays in spring, gathering in woodland clearings to parade around, fanning their magnificent tail feathers and making strange gulping and…