A Squirrel Nut
“It often happens that squirrels which have lost their mothers look for a replacement and then focus their efforts on one person.” It’s less common, however, that the one person calls the police. The Guardian: Police in Germany rescue man being chased by baby squirrel.
+ Bonus item: Sarah Silverman explains to Howard Stern that squirrels lose track of 80% of the acorns they store.