Spring dig runs between 01/03/18 and 31/03/18
Data entry is open from the beginning of March to the end of April
Help scientists at the British Trust for Ornithology (BTO) understand the relationship between climate, the availability of invertebrates and how this impacts UK bird numbers and their migration patterns.
Sign up to take part and access all campaign resources.
News flash! Schools feeding back data to the 2017/18 experiment could win a trip to meet TV wildlife presenter Chris Packham at the BTO. Find out more.