More than half of Earth’s migratory bird species are declining – here’s how we can still save them

The spoon-billed sandpiper, a small wading bird, flies nearly 5,000 miles (8,000 km) on its annual migration. Tareq's Photography/Wikimedia, CC BY-SA Every year, billions of migratory birds connect the world’s continents, oceans and ecosystems as they undertake epic journeys between their foraging habitats and their breeding grounds. A bobolink (Dolichonyx oryzivorus) leaves its breeding grasslands of North America for the Pampas of South America. A Newell’s shearwater (Puffinus newelli) spends…