In mild years, the spring-flowering primrose can appear as early as December. Look out for its pretty, creamy-yellow flowers in woodlands and grasslands.

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.

When spotting the pintail in winter, look out for the fabulous, long tail feathers that characterise it. This dabbling duck feeds at the water's surface, rather than diving for food.

This slender shark gets its name from the spines in front of its dorsal fin. It can use these spines to defend itself by curling in a bow and striking at a predator.

The common sexton beetle is one of several burying beetle species in the UK. An undertaker of the animal world, it buries dead animals like mice and birds, and feeds and breeds on the corpses.

The common darter is a red, narrow-bodied dragonfly that can be seen throughout summer and autumn. It is hovers around all kinds of waterbodies, darting out to surprise its prey.

Piddocks are a boring bivalve. No, we don't mean dull... we mean that it bores into soft rock, creating a burrow. In fact, they're the opposite of dull - they glow in the dark!

The ptarmigan is a master of disguise - matching its Highland surroundings perfectly by turning snow-white in winter and rock-grey in summer. It is confined to the mountains of Scotland, so is…

The small blue's name is a little misleading: it is our smallest butterfly, but only shows a dusting of blue on brown wings. It is scarce, occurring on chalk grassland, mostly in southern…