Woolly Mammoth dental enamel from Poland has demonstrated that woolly mammoths ended up seasonally migratory. Recurring shifts in δ18O and 87Sr/86Sr found in layers in the enamel correspond to seasonal variations and suggest that Polish woolly mammoths inhabited southern Poland all through Winter season but grazed the Polish midlands during https://www.youtube.com/channel/UCCoZfLHRsYsRsVHqS-CSAWA