Outdoor cats are one of the biggest threats to birds, killing over a billion a year in North America. And indoor-outdoor cats live much shorter lives than indoor-only cats. So keeping a cat indoors helps protect birds. And there are plenty of ways to make the “great indoors” more exciting for your cat. In this episode, BirdNote producer Mark Bramhill shares his experience with his cat, Pigeon, who enjoys a ‘catio’ — cat-patio — and walks on a leash.More info and transcript at BirdNote.org. Want more BirdNote? Subscribe to our weekly newsletter. Sign up for BirdNote+ to get ad-free listening and other perks. BirdNote is a nonprofit. Your tax-deductible gift makes these shows possible.