A wise, older puppy took it upon herself to keep a couple of younger foster puppies safe from the perilous stairs at her home in Birmingham, Alabama.A video, shared online on July 8, shows seven-month-old Annie gently pushing her younger friends away from the top of the staircase. According to the pups’ foster mom, the older dog belongs to her grandma.The clip was gaining traction on Reddit, with over 17,000 upvotes at the time of writing. Credit: Patchy Puppies and Friends via Storyful