This secretive bird is a member of the rail family, related to coots and moorhens. The breeding call, a rasping rattle, is given mostly at night, sometimes for hours on end.

The Glanville fritillary can be spotted on warm days around coastal habitats on the Isle of Wight and the Channel Islands, as well as at a few locations in mainland England.

The melodious song of the nightingale is the most likely sign of this bird being about. Shy and secretive, it sings from dense scrub and woodland, day and night.

A delicate, small plant of woodlands and hedgerows, wood-sorrel has distinctive, trefoil leaves and white flowers with purple veins; both fold up at night.

An unmistakeable insect of heaths, sand dunes and grasslands, the Emperor moth is fluffy, grey-brown, with big peacock-like eyespots on all four wings. Males can be seen during the day, but…

Famed for its tapping in the middle of the night, supposedly heralding tragedy, the Deathwatch beetle is a serious wood-boring pest. In houses, their tunnelling can cause major damage.

Small-spotted catsharks used to be called lesser-spotted dogfish - which might be what you know them best as. It's the same shark, just a different name!