Flyways

S42 E6: More than 200 species of shorebirds, such as Far Eastern Curlews, Red Knots and Hudsonian Godwits, fly thousands of miles each year from feeding grounds in the Southern Hemisphere to breeding grounds in the Arctic and back again. But their populations are crashing amidst climate change and urban development. Follow scientists as they mobilize to the challenge of saving these shorebirds.