Cuckoo Tracking Project

Cuckoo. Alan McFadyen

Help us follow Cuckoos on migration and discover why they are in decline.

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. Follow our Cuckoos as they move to and from Africa.

This project wouldn't have been possible without the amazing support from funders and sponsorsRead 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.

Skill required

  • Follow our Cuckoos on the map below - use the controls to animate or step through their movements.

Join the project

Sponsor a Cuckoo

Cuckoo movements from 23 May 2019 to 14 July 2019

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Current Cuckoos

Carlton II the Cuckoo Carlton II the Cuckoo

Carlton II

Status: active
Knepp the Cuckoo Knepp the Cuckoo

Knepp

Status: active
Lambert the Cuckoo Lambert the Cuckoo

Lambert

Status: active

Larry

Status: active
Nussey the Cuckoo Nussey the Cuckoo

Nussey

Status: active
Cuckoo 161318 portrait Cuckoo 161318 map marker

PJ

Status: active
Raymond the Cuckoo Raymond the Cuckoo

Raymond

Status: active
Robinson the Cuckoo Robinson the Cuckoo

Robinson

Status: deceased
Senan the Cuckoo Senan the Cuckoo

Senan

Status: active
Tennyson the Cuckoo Tennyson the Cuckoo

Tennyson

Status: active
Thomas the Cuckoo Thomas the Cuckoo

Thomas

Status: active
Valentine the Cuckoo Valentine the Cuckoo

Valentine

Status: active

View previously tagged birds

Latest updates

Knepp pushes south

12 Jul 2019
Having flown 382 km (237 miles) south west from his last location south of Paris, Knepp is now near Mirambeau in the Nouvelle-Aquitaine region in southwestern France.

Valentine heads south

12 Jul 2019
Over the last 48 hours Valentine has flown 456km (284 miles) south west to his new location near Marmande in south-western France. 

Nussey still going north

12 Jul 2019
Since undertaking his remarkable 1,200km U-turn Nussey has continued to move north, albeit at a more sedate pace. Over the last few days he has flown a further 111 km (69 miles) north-east up the French coast to his current location near Lesperon, 29 km (18 miles) north of Dax. 

Browse updates from our Cuckoos

Project Lead
Email Contact:
cuckoos@bto.org

Project timeline, contributions & findings

Project timeline

  • 5/11 - First round of five Cuckoos tagged, wintering sites in the Congo identified 
  • 3/12 - Different routes discovered on return journeys
  • 2016 - First scientific paper published on on the routes of our Cuckoos

Support the project

You can help keep this important project going by either giving a donation, becoming a Cuckoo sponsor, or gifting a sponsorship to someone else. We greatly appreciate the support the project has received, allowing us to continue to monitor this endangered species.


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