Rescuers unable to shepherd whales back out to sea due to rough conditions and their size. URLhttps://www.ascobans.org/en/news/10-sperm-whales-die-after-stranding-yorkshire-c...TreatyAgreement on the Conservation of Small Cetaceans of the Baltic and North SeasTagsBiological diversityRegionEuropeDate of textThu, 24 December 2020