A rescued male sea otter pup brought to Chicago’s Shedd Aquarium from Alaska last month is “making great progress” in his new home, the facility said on December 15.

CHICAGO — The story of how one baby sea otter made its way to Chicago’s Shedd Aquarium all the way from coastal Alaska began one cold October morning in the small town of Seldovia.

This week, caretakers at the Shedd Aquarium let the sea otters join in on the seasonal fun by offering them their own small pumpkins to play with for enrichment. Costume-clad children, families ...