Weddell seals time their most extreme dives https://oceanographicmagazine.com/news/how-do-weddell-seals-use-light-to-plan-their-most-extreme-dives/?utm_campaign=Ocean%20Insights%202024&utm_source=hs_email&utm_medium=email&utm_content=331818160&_hsenc=p2ANqtz-8v0MiQRQhDOu3X3H9-a7LWBFtMM8cK8kbZfdlZu4