The sessile oak is so-called because its acorns are not held on stalks like those of the familiar English oak. It can be found in woodlands mainly in the north and west of the UK.

Traditionally a coastal species, Lesser sea-spurrey has spread inland, taking advantage of the winter-salting of our roads. Its pink-and-white flowers bloom in summer.

This dazzling dragonfly, also known as the blue-eyed hawker, is a recent arrival to Britain.

This snowy white moth is easily mistaken for the similar brown-tail, until it lifts its abdomen to reveal a burst of golden-yellow.

This dazzling dragonfly can be seen darting above tree-lined ponds in certain parts of Britain.

The common clubtail is on the wing in spring and summer. It is an elusive dragonfly that is easiest to see when it first emerges. It can be found along rivers in Southern England and Wales.