PHILADELPHIA (CBS) -- Laura, a 24-year-old Burchell's zebra who was among the oldest of her subspecies in North American zoos, has died, the Philadelphia Zoo said late Tuesday night on social media.

Laura, a 24-year-old Burchell’s zebra, and one of the oldest of her subspecies of Plains zebras in North American zoos, has died, the Philadelphia Zoo revealed in a statement Tuesday, according ...

Laura, a 24-year-old Burchell’s zebra, and one of the oldest of her subspecies of Plains zebras in North American zoos, has died, the Philadelphia Zoo revealed in a statement Tuesday, according ...