Bird migration is changing. What does this reveal about our planet? – visualised
via theguardian.com
Short excerpt below. Read at the original source.
Bird migrations rank as one of nature’s greatest spectacles. Thanks to GPS tracking, scientists are uncovering extraordinary insights into ancient and mysterious journeys – and new threats that are reshaping them. Bird migrations rank as one of nature’s greatest spectacles. Thanks to GPS tracking, scientists are uncovering extraordinary insights into ancient and mysterious journeys – […]