Woolly Mammoth dental enamel from Poland has shown that woolly mammoths ended up seasonally migratory. Recurring shifts in δ18O and 87Sr/86Sr present in layers of your enamel correspond to seasonal versions and reveal that Polish woolly mammoths inhabited southern Poland for the duration of winter but grazed the Polish midlands https://www.youtube.com/channel/UCCoZfLHRsYsRsVHqS-CSAWA