Introduced from Japan in the 19th century, Japanese knotweed is now an invasive non-native plant of many riverbanks, waste grounds and roadside verges, where it prevents native species from…

The mohawk-sporting caterpillar of this moth is often seen on shrubs and trees in late summer. As adults the orange-brown males fly by day, but the flightless females don't stray far from…

The whinchat is a summer visitor to UK heathlands, moorlands and open meadows. It looks similar to the stonechat, but is lighter in colour and has a distinctive pale eyestripe.

The brown argus favours open, chalk and limestone grasslands, but can also be spotted on coastal dunes, in woodland clearings and along disused railways.

The moth-like dingy skipper is a small, grey-brown butterfly of open, sunny habitats like chalk grassland, sand dunes, heathland and waste ground.