Weasels may look adorable, but they make light work of eating voles, mice and birds! They are related to otters and stoats, which is obvious thanks to their long slender bodies and short legs.

Cadwch lygad am ystlumod Daubenton yn chwilio am fwyd uwch ben gwlybdiroedd ledled y DU yn y gwyll. Maen nhw’n hedfan yn gyflym ac yn hyblyg yn agos at wyneb y dŵr yn chwilio am bryfed yn…

Mae gweld barcud yn hedfan yn uchel yn yr awyr yn bleser pur! Arferai fod yn aderyn prin iawn ond diolch i brosiectau ailgyflwyno llwyddiannus, mae’r aderyn yma i’w weld mewn llawer o lefydd yn y…

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 Rutland in the Midlands.

False widow spiders are often the subject of unflattering headlines, but in reality they're unlikely to bite humans.

Mae mor hawdd methu’r gwyfyn bach clyfar yma. Mae’n feistr ar guddio’i hun, gan gyfuno’n berffaith gyda choed gan ei fod yn edrych yn union fel brigyn bedwen! Yn hedfan yn ystod y nos yn unig, mae…

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.

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…

The moon jelly is the most common jellyfish in UK seas, often washing up on our beaches. No need to worry though - it doesn't sting humans.

Although introduced by humans, the fallow deer has been here so long that it is considered naturalised. Look out for groups of white-spotted deer in woodland glades.