Woolly Mammoth dental enamel from Poland has demonstrated that woolly mammoths had been seasonally migratory. Recurring shifts in δ18O and 87Sr/86Sr found in layers on the enamel correspond to seasonal variants and point out that Polish woolly mammoths inhabited southern Poland for the duration of Winter season but grazed the https://www.youtube.com/channel/UCCoZfLHRsYsRsVHqS-CSAWA