More than 17 million insects migrate each year through a single mountain pass on the border between France and Spain, according to new research. Scientists from the University of Exeter have studied migratory insects at the Bujaruelo Pass, a 30-meter gap between two high peaks in the Pyrenees. Their article, published in the journal Proceedings of the Royal Society B, is titled “The Most Notable Migrants: A Systematic Analysis of the Migration Route of Insects in Western Europe through a Mountain Pass in the Pyrenees.” The team visited the pass every autumn for four years, monitoring the large quantity and … Continue reading Over 17 Million Insects Annually Navigate a Mere 30-Meter Mountain Pass Between France and Spain