Tracking Cuckoos to Africa... and back again

We’ve lost over half the number of Cuckoos in the UK over the last 20 years.

Since 2011 we’ve been satellite-tracking Cuckoos to find out why. We’ve learned lots of vital information which could help us to understand our Cuckoos -  such as how the different routes taken are linked to declines, and some of the pressures they face whilst on migration. 

But there is still more to discover. We now need to look more closely at how dependent they are on, and how much their migration is linked, to the drought-busting rains of the weather frontal system known as the Inter Tropical Convergence Zone (ITCZ) as they move out of the Congo rainforest and begin to head back to the UK via West Africa.

This project wouldn't have been possible without the amazing support from funders and sponsors. Read more about the project and find out how you can get involved.

We have been able to share our expertise around tracking Cuckoos with other international studies, such as the Beijing Cuckoo Project.

Follow our Cuckoos as they move to and from Africa.


Cuckoo movements from 10 May 2018 to 21 June 2018

View routes starting..
Cuckoo positions on

Latest News

Sylvester is off - 22 Jun 2018
During the evening of 21 June we received a series of locations from Sylvester's tag that showed he was in northern France, in the area of the Somme close to Amiens.
Sherwood has crossed the Channel - 22 Jun 2018
Having spent a bit of time around the Hayling Island area in Hampshire, Sherwood is now in northern France and is moving around pockets of woodland on the banks of the Seine, close to Gaillon.
Selborne heading south again - 22 Jun 2018
Having successfully completed a full migration to and from Africa Selborne is on his way again. He is currently in the area he used as a stopover last year and close to Chateaubriant.

Get involved

Find out how you can support the project, or contact us directly for further details - cuckoos [at]

Information on this page is only for illustrative purposes and cannot be used without our permission © British Trust for Ornithology.