Nan, a 21-year-old polar bear at Brookfield Zoo is enjoying the wintry weather that finally arrived in Chicago. (Jim Schulz/Chicago Zoological Society)
Nan, a 21-year-old polar bear at Brookfield Zoo is enjoying the wintry weather that finally arrived in Chicago. (Jim Schulz/Chicago Zoological Society)
Brookfield Zoo's Amur leopards, Lisa and her cub, Temur, who was born last year, playing in the recent snowfall. (Jim Schulz/Chicago Zoological Society)