This yellow-brown seaweed grows in tufts at the very top of rocky shores. Its fronds curls at the sides, creating the channel that gives Chanelled Wrack its name.

The fearsome-looking hornet may not be a well-loved insect, but it is actually much less aggressive than the common wasp. It is also an important pollinator and a predator of species that feed on…

Common couch is a tall, tuft-forming grass of roadside verges, waste ground and arable land. It is very tough and can shade out more delicate plants. Look for flat, blade-like leaves and thin…

This dazzling moss grows in dark places, catching any faint light to glow a golden-green.

Mae'r gragen las yn olygfa gyfarwydd ar draethau ledled y DU ac mae'n hoff fwyd gan bobl, adar môr a sêr môr fel ei gilydd.