The black-headed gull is actually a chocolate-brown headed gull! And for much of the year, it's head even turns white. Look out for it in large, noisy flocks on a variety of habitats.

The bluefin tuna is a highly migratory fish which roams the oceans. This species will cross oceans, travelling between the Mediterranean Sea and the Gulf of Mexico. They are speedy swimmers,…

Familiar as the bristly plant that easily hooks on to our clothing as we walk through the countryside or do the gardening, cleavers uses its hooks to help it climb and to disperse its seeds.

Nudibranchs, also known as sea slugs, are much like their land-based relatives that you may spot in your garden. But, unlike your regular garden slug, the nudibranch can incorporate the stinging…

Sand eels are a hugely important part of our marine ecosystem. In fact, the fledgling success of our breeding seabirds entirely depends on them.

Crosswort gets its name from the position of its leaves - they surround the stem in groups of four, making a cross shape. The tiny, yellow flowers sit atop these crosses and bloom from April to…

Unsurprisingly, the nocturnal long-eared owl sports large 'ear tufts' on its head, while the short-eared owl has much smaller ear tufts. A shy bird, it is best spotted around the coast…

The Holm oak is an introduced species that has been widely planted near the coast and in parkland. It is self-seeding in the south of the UK. Its young leaves are spiny like Holly leaves, and it…

The short-eared owl, or 'Shortie', is an unusual owl because it prefers to be out and about in the daytime. It is most easily spotted in winter, when resident birds are joined by…

A very rare ant, once found on heathland across southern England but now restricted to Scotland and Devon. It constructs distinctive thatched nests in open areas at the edges of scrub, and forages…

Look out for the distinctive white beak that gives this energetic dolphin its name. Don’t be surprised to see them breach and bowride too!