The filmmaker called the clip the highlight of his career, the result of five frigid winters spent following the notoriously elusive animals in the Canadian north.
"We were shocked to see her come out in the middle of the day," Manske told the CBC.
It was the behavior of male wolverines, however, that ended up surprising Manske and wildlife researchers alike.
"We started learning that male wolverines might play a bigger role in raising their young," said Manske. "The male would come by every couple days just to check on them."
Even wolverines, it turns out, can't help but care about their kids.