Help us track the effects of weather and climate change on wildlife near you
What effect has recent weather had on wildlife? Does climate change affect timings in nature? Join Nature’s Calendar and help scientists discover answers to these questions.
From leaf buds bursting to blackberries ripening, let us know what’s happening near you. You'll be contributing to a long biological record that dates back as far as 1736.Start recording
Why do leaves change colour in autumn?Judith Garforth, 12/10/2021
We've been enjoying some beautiful bright sunny days so far in October, but have you noticed the first signs of autumn yet?
Why do leaves change colour at this time of year? Find out why and be inspired to record autumn events with Nature's Calendar over the next few months.Read more View all blog posts
What we record and why
The plants, animals and fungi you can record have been selected to help us understand how nature is affected by weather and climate change.
Join in and let us know what’s happening to wildlife near you.Find out more
View our live species maps to watch the seasons unfolding across the UK.
Discover how your records are used by scientists to investigate the effects of weather and climate on wildlife.Find out more
Date range poster
Download our new date range poster here. This handy document will help to remind you what species to look out for at different times of year.Download our phenology calendar