Follow the progress of spring this year using our colour coded
satellite map View this animated map About Nature's Calendar
When were the first snowdrops spotted this year? When do cuckoos
first sing their familiar song and horse chestnuts shed their
leaves? Nature's Calendar is the home for thousands of
volunteers who record the signs of the seasons. You don't have
to be an expert to take part as we give you all the help you
could need. As well as entering your own signs of the seasons
you can see the data others have entered. Our live interactive
maps show the information as it comes in - with spring and
autumn sweeping across the UK. This data becomes a crucial
source of evidence as to how our wildlife is responding to
climate change. To take part or to look at our live maps...