A summer visitor to the UK, the red-tailed redstart is a robin-sized bird that can be spotted in woodlands, parks and hedgerows, mainly in the north and west of the UK.

This well-camouflaged woodpecker used to be a common breeding bird in Britain, but is now only likely to be seen passing through on migration.

Mainly found in southern and eastern England, the common hornbeam is a tall tree of ancient woodlands. Its large catkins appear in spring, and its winged seeds are dispersed by the wind in autumn…

The nuthatch is a tit-sized, grey and rust-coloured bird that can be easily spotted climbing headfirst down tree trunks in woodlands and parks.

The black garden ant is the familiar and abundant small ant that lives in gardens, but also turns up indoors searching for sugary food. In summer, winged adults, or 'flying ants', swarm…

Frogbit looks like a mini water-lily as it floats on the surface of ponds, lakes and still waterways. It offers shelter to tadpoles, fish and dragonfly larve.

The crested tit is a small, energetic woodland bird from the Highlands of Scotland. It's easily recognised by its prominent black and white crest.

An attractive, olive-green bird, the greenfinch regularly visits birdtables and feeders in gardens. Look for a bright flash of yellow on its wings as it flies.