Puffin puzzle solved! Where they go when they leave our shores
Plus: Wildflower glory – what goes into making a beautiful meadow; Wildlife essay – could HS2 actually be good for wildlife?; Exclusive Interview – Chris Packham. The complex man behind the TV naturalist; Delaware Bay’s secret – why 1000s of birds and 100s of scientists flock there; Iberian Lynx – amazingly detailed portraits of a rarely seen species; Hoolock hoo-ha – what’s all the fuss about these charismatic gibbons?