Chris Merkord 24 Posted July 2, 2013 BTO goes cuckoo at 80 Bird Watch As the British Trust for Ornithology (BTO) celebrates its 80th year, the first of its tagged Common Cuckoos are on their way back to Africa. On 1 July 1933, ... The trust has just launched its 'cuckoo class of 2013', as part of its research into the ... View the full article Quote Share this post Link to post Share on other sites