TIL that all 8 confirmed grolar bears (grizzly - Polar hybrid) since 2006 have come from the same female polar bear

https://en.wikipedia.org/wiki/Grizzly%E2%80%93polar_bear_hybrid

#til #todayilearned

https://www.reddit.com/r/todayilearned/comments/1fvp4kb/til_that_all_8_confirmed_grolar_bears_grizzly/