Have you seen your first Swallow?
Have you seen your first Swallow?22 Mar 2011
The first Swallow of the year is a real harbinger of spring and they will arrive on your local patch any day now. The BirdTrack reporting rate predicts that their numbers will build rapidly over the next 4 weeks. Chiffchaffs are already being recorded in numbers across the southern half of Britain and listen out now too for the arrival of Willow Warblers, which are just starting to trickle into the far south of the country. If you need a refresher on your Bird song join BTO now and get a free 2CD Bird Sounds set.
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.