Woodland Trust

Nature's CalendarNature Detectives

The cuckoo comes in April, he sings his song in May - listen for his haunting call this spring

Spring beech woods - Steven HighfieldGet involved in nature

It's free, it's on your doorstep and it can be all year round...

Anyone can take part in the survey and help record the changing seasons. Be a citizen scientist!

Small tortoiseshell. iStockphoto.comOne year. Two seasons.

  • Spring
    January to June
      
  • Autumn
    July to December
     

There's lots to look out for:

  • Dog rose. iStockphoto.comtrees 
  • flowers
  • birds
  • insects 
  • amphibians
  • fungi
     

You can record one event, or many.

What exactly is "recording"? 

Recording means keeping your eyes open for seasonal events and noting the dates as you observe them.

Enter these dates instantly on to your online recording form so that the live results maps, and our data, are as up to the minute as possible.

Find out more about recording

We'll send you regular emails keeping you up to date with the latest seasonal and climate change findings.

Register now and download our free Recording guide.


Why bother?
 

We will use your records to understand more about the response of the natural world to a changing climate.

You'll be adding to the world's longest written biological record:

we've nearly 2 million dates of seasonal
changes recorded in the UK since the 1600s

That's why every pair of eyes - and every record - counts.

Discover the science of Nature's Calendar