The world’s spectacular animal migrations are dwindling. Fishing, fences and development are fast-tracking extinctions
- Written by: Richard Fuller, Professor in Biodiversity and Conservation, The University of Queensland
Alec Taylor/ShutterstockIn 1875, trillions of Rocky Mountain locusts gathered and began migrating across the western United States in search of food. The enormous swarm covered an area larger than California. Three decades later, these grasshoppers were extinct.
This fate is all too common for migratory species. Their journeys can make them...
