Video Galpagos tortoise at Philadelphia zoo becomes oldest first-time mother of species

A 97-year-old Galápagos tortoise named Mommy has given birth to four critically endangered Western Santa Cruz Galápagos tortoise hatchlings....
A 97-year-old Galápagos tortoise named Mommy has given birth to four critically endangered Western Santa Cruz Galápagos tortoise hatchlings....