Compact and easily overlooked, bar-tailed godwits make the longest known nonstop flight of any animal on Earth. Drew Rooke reports on the research that led to the amazing feat’s discovery – and that is changing much of our understanding of the science of these epic crossings. Narrated by Renee Garvin. As part of the Ultramarine project) we are republishing some paid content for free. This story was originally published in issue 99 of Cosmos print magazine, in July 2023. You can read more amazing long reads if you *subscribe now)*.
