House Sparrows are ingenious birds that have learned a highly specialized skill: how to open automatic doors. House Sparrows have been seen activating electric-eye sensors to fly into restaurants, supermarkets, and home supply stores. What will they be up to next?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.