Shop and support the BTO
Purchase your 2015 calendar from us - now half price
The new 2015 BTO calendar is a celebration of birds with wonderful species photographs and accounts informing how our work relates to these wonderful birds. Each month includes helpful dates for those taking part in BTO surveys.
Bird Atlas 2007-11 book available now - in print and digital.
Get your hands on a copy of Bird Atlas 2007-11, the most important British and Irish Bird Book for decades.
Browse sample pages of the book now - available as hardback book, ebook and Atlas maps also available as part of Collins Birdguide App for Apple iOS.
Order The Birds of Sussex book
Produced by the Sussex Ornithological Society (SOS) in association with the BTO, The Birds of Sussex describes the status and changing fortunes of all the wild birds of Sussex.
Ringing Equipment and Guides
Supplies and reference guides for registered and trainee ringers.
The BTO continues to supply items to Ringers directly. Some items require a Ringer's registration number to purchase - either due to legal restrictions or reduced pricing for Ringers.
Go to BTO Ringing Sales.