Detroit Zoo received Kali, a 13-year-old male polar bear, from Toledo Zoo. The Detroit Zoo swapped 21-year-old Nuka to Toledo in late January 2026. .
The Polar Bear Population Alliance suggested this move to keep genetic variety strong among captive polar bears. Zoos across North America work together to keep breeding populations healthy and prevent inbreeding problems that weaken animals over time.
“This successful transfer reflects the collaboration of our teams in Detroit and Toledo, as well as a shared commitment to animal well-being and conservation,” said Mike Murray, chief life sciences officer for the Detroit Zoo according to Fox 2 Detroit…