Four Cuckoos cross the desert
Four Cuckoos cross the desert27 Jul 2017
Samson, Victor, PJ and Selborne have all successfully crossed the Sahara Desert, whilst Peckham is still in East Anglia. Follow our satellite tagged Cuckoos as they make their incredible journeys to the Congo rainforest during the next few weeks.
What effect might annual releases of non-native gamebirds be having on native biodiversity?
Henrietta Pringle reveals the work behind a recent paper on gamebirds and predation
Climate change in a warming world
BTO science contributes to our understanding of future scenarios, and informing policies and conservation management strategies to help species adapt.