Identifying Hirundines and Swift
With their swept back wings and aerial lifestyle hirundines (Swallow, Sand and House Martins) and the similar, but unrelated, Swift often cause ID headaches. Let us help you to separate these amazing summer visitors.
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.