The marmot after it's flight home to Colorado It took a couple of months to coordinate with national and international agencies, but on Friday, the marmot flew to Denver in a Delta cargo plane.

Russian authorities have warned residents of regions near Mongolia against hunting marmots but stressed there was no risk of bubonic plague spreading across the country.

Follow Nikolai and his team on the annual marmot hunting season where they have to hunt 600 marmots for the period of one month. And learn why this massive killing is essential for marmots' survival.