I surveyed 17 million insects flying through a Pyrenean mountain pass – here’s what I learned about these ‘remarkable migrants’
Will Hawkes, CC BY-ND Will Hawkes, University of Exeter In 1950, ornithologists Elizabeth and David Lack were watching birds migrate through a Pyrenean mountain pass on the border between France and Spain when they stumbled across something extraordinary – uncountable numbers of migrating insects. The Lacks were the first people to record fly