Fact or Foolery

Can you guess if this is an April Fools Joke or fact?

Don't Disturb the Squirrels

City officials in Cologne, Germany, imposed a new regulation on people jogging throught the city park. Runners were required to pace themselves to go no faster than six miles per hour. Any faster, the city officials cautioned, could disturb the squirrels that were in the mi8ddle of their mating season.

Fact or Foolery?