Fel mae ei enw'n awgrymu, mae’r goron borffor yn ffwng coch llachar, siâp cwpan. Mae'n eang ei ddosbarthiad, ond yn brin, a gellir ei ddarganfod ar frigau a changhennau sydd wedi syrthio…

One of the UK’s rarest marine species, this giant of the rocky shore is a very special fish.

A stocky, little sandpiper, the knot can be spotted in estuaries from August onwards, migrating here from the Arctic where it breeds. Look out for it probing the muddy sand with its specialised…

The long mane of tentacles that stream out from the lion's mane jellyfish is stunning… literally! Look but don't touch when it comes to these jellyfish - they give a powerful sting.

Their long narrow shells are a common sight on our shores, especially after storms, but the animals themselves live buried in the sand.

Beavers are the engineers of the animal world, creating wetlands where wildlife can thrive. After a 400-year absence, beavers are back in Britain!

The Carline thistle produces distinctive brown-and-golden flower heads that look like a seeded thistle. These flowers are attractive to a wide range of butterflies, including the very rare Large…

The blue-tailed damselfly does, indeed, have a blue tail. It is one of our most common species and frequents gardens - try digging a wildlife pond to attract dragonflies and damselflies.