The White admiral is a striking black-and-white butterfly with a delicate flight that includes long glides. It prefers shady woodlands where it feeds on Bramble.

A common tree, ash is familiar to many of us for its autumnal bunches of winged seeds, called 'keys'. It can be found in woodlands and prefers damp and fertile soils.

Often found basking on tall grasses, or buzzing between stems, the small skipper is a small, orange butterfly. It prefers rough grassland, verges and woodland edges.

A tussocky sedge, Greater pond sedge has stout, upright flower spikes, strap-like leaves and triangular stems. It prefers lowland wetland habitats on heavy soils.

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 Natterer's bat can found across the UK, although it is a scarce species. It prefers to forage low down among trees, often taking prey directly from the foliage.

A prickly, tall plant, the Small teasel is closely related to the Common teasel, but has much smaller, more rounded flower heads. It prefers damp, open woodlands.

The speckled wood prefers the dappled sunlight of woodland rides and edges, hedgerows and even gardens. Despite declines, its range has spread over recent years.

The razorbill has a characteristically thick, black bill, with a white stripe across it. It nests with other seabirds, such as guillemots, but prefers the lower ledges and rocky bottoms of cliffs…

The tree bumblebee is a new arrival to the UK. First recorded here in 2001, it is slowly spreading north. It prefers open woodland and garden habitats and can be found nesting in bird boxes and…

Many of us have felt the painful bite of the Twin-lobed deer-fly (a 'horse-fly') while out walking in damp grasses or woods. But mostly, it prefers to feed on the blood of cows and…