Our largest bat, the noctule roosts in trees and can be seen flying over the canopy in search of insect-prey, such as cockchafers. Like other bats, it hibernates over winter.

A recent colonist to south east England, the metallic-green willow emerald damselfly spends much of its time in the willow and alder trees that overhang ponds, lakes and canals.

A pretty and distinctive little waterbird, the mandarin duck was introduced from the Far East as its name suggests. Oddly for a duck, it nests in trees, sometimes high above the water.

The noble chafer is a rare and beautiful metallic-green beetle that can be found in traditional orchards. It is on the wing over summer, feeding on umbellifers. The larvae live in the decaying…

The turkeytail is a very colourful bracket fungus that grows throughout the year, but is at its best in the autumn. Its circular caps can be seen growing in tiers on trees and dead wood.

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…

With yellow-and-black bands, the giant horntail looks like a large wasp, but is harmless to us. The female uses her long, stinger-like ovipositor to lay eggs in pine trees, where the larvae then…

Kissing under the mistletoe is a much-loved Christmas tradition, making this plant familiar to us all. It actually grows as a parasite on trees - look for it hanging off branches in large balls…