…and the harvest mouse housing shortage.
Every year Wimbledon gets through 50,000 to 55,000 tennis balls.
Some are sold to fans as souvenirs.
But many many more go to creating neat little waterproof homes for harvest mice whose habitat is under threat.
Up to 10 young mice can live in one ball.
Hey … you’re living dangerously! Little mice are cute! 
I’ve tried to educate her by keeping her food bowl full of delicious fishy chunks but she just ignores me and next morning another dead critter arrives on my doorstep. Her deliveries are more regular than Amazon.
What about rats? Now they are another thing altogether. She skilled at catching them?
