The gudgeon is a bottom-dwelling fish, similar to the stone loach, but with only two whisker-like barbels near its mouth. These sensory organs help it to find its prey in the sand and gravel of…

Tansy is an aromatic plant of rough grassland, riverbanks and verges that has button-like, yellow flower heads. It is the main foodplant of the rare Tansy Beetle, now found at only two places in…

The brent goose flies to the UK for the milder winter. Two populations arrive: those with dark bellies can be found around Eastern England; while those with pale bellies can be found in the North…

As the name suggests, this tall, white heron is considerably larger than the similar little egret. Once a rare visitor to the UK, sightings have become more common over the last few decades, with…

If you’ve ever been rockpooling, you’ve probably seen a limpet or two! Their cone-shaped shells clamp onto rocks until the tide comes in, at which point they become active. Limpets move around…