Autumnwatch is the largest survey of the arrival of Autumn in the UK. It is run by the BBC in association with the Woodland Trust and the UK Phenology Network.

You don't have to be an expert - all you need to do is keep a look out and record your sightings of any of the following six autumn events;

1) First ripe blackberry

2) First ripe conker

3) Last swift

4) First flowering of ivy

5) First ripe hawthorn berry

6) First tint of oak