The harvest mouse is tiny - an adult can weigh as little as a 2p piece! It prefers habitats with long grass, but you are most likely to spot its round, woven-grass nests.

The oak marble gall wasp produces brown, marble-shaped growths, or 'galls', on oak twigs. Inside the gall, the larvae of the wasp feed on the host tissues, but cause little damage.

A tall orchid of woodland and scrub, the broad-leaved helleborine has greenish, purple-tinged flowers that look a little 'drooping'. Strongly veined, oval leaves spiral around its stem…

The common spangle gall wasp produces a small, disc-shaped growth, or 'gall', on the undersides of oak leaves. Inside the gall, the larvae of the wasp feed on the host tissues, but cause…

The knopper gall wasp produces knobbly red, turning to brown, growths, or 'galls', on the acorns of Pedunculate Oak. Inside the gall, the larvae of the wasp feed on the host tissues, but…

The whimbrel is very similar to the curlew, but a little smaller and with a striking face pattern. Its eerie call is a series of seven whistles; listen out for it around the coast as its passes…

The Alcathoe bat was 'discovered' in the UK in 2010 when it was confirmed as a separate species to the very similar whiskered and Brandt's bats. Little is known about its range and…