EnvironmentA spat over sand eels threatens puffins and other iconic seabirds Overfishing of small fish has led to population declines in the birds that feed on them. Now the UK government's attempts to protect this crucial resource faces a serious challenge Comment
LifeMigratory birds can use Earth's magnetic field like a GPS Eurasian reed warblers don’t just get a sense of direction from Earth’s magnetic field – they can also calculate their coordinates on a mental map News