The Natterer's bat can found across the UK, although it is a scarce species. It prefers to forage low down among trees, often taking prey directly from the foliage.

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 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 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 velvet shank can be found clustered on the dead and dying wood of deciduous trees, such as elm, ash, beech or oak. It has a bright orange cap and can be seen throughout winter.

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 Oak bush-cricket is arboreal and can be found in mature trees in woods, hedges, parks and gardens in summer. Males don't have a 'song' as such, but drum on leaves with their…