Bottlenose dolphins in British waters are the biggest of their kind – they need to be able to cope with our chilly waters! They are very sociable and will happily swim alongside boats, providing…

The English oak is, perhaps, our most iconic tree: the one that almost every child and adult alike could draw the lobed leaf of, or describe the acorn fruits of. A widespread tree, it is prized…

A winter visitor, the well-travelled Bewick's swan is the smallest of our swans. It has more black on its yellow-and-black bill than the whooper swan. Look out for it around Eastern England…

The large, sunshine-yellow flowers of the yellow iris brighten up the margins of our waterways, ponds, wet woods, fens and marshes. Also called the 'flag iris', its outer petals have a…

The eider is a large seaduck, famed for its soft, downy feathers that are not only used by the bird to line and insulate its nest, but also by humans to stuff our quilts and pillows. It nests…

Famed for its super-fast fishing dives into the sea, the northern gannet (or gannet) is a distinctive white bird with a yellow head and black wingtips. It nests in large, noisy, smelly colonies on…

The giant house spider is one of our fastest invertebrates, running up to half a metre per second. This large, brown spider spins sheet-like cobwebs and pops up in the dark corners of houses,…

Our most diminutive falcon, the merlin is a pretty bird of prey. It chases small birds, flying low to the ground or hovering in the breeze because of its small size. Resident merlins are joined in…

There are several species of spider that live in our wetlands, but the water spider is the only one that spends its life under the water. In its pond habitats, it looks silvery because of the air…