Galapagos tortoises began mating ... "A huge number of animals actually responded as if they became really upset and stressed out. And we weren't sure why they behaved that way," he says.

Mommy, a Western Santa Cruz tortoise, recently welcomed four hatchlings at the Philadelphia Zoo, where she has lived since 1932. By Sopan Deb Congratulations are in order for Mommy, a Galápagos ...

Mommy, a Western Santa Cruz Galapagos tortoise, has welcomed four freshly hatched babies with her mate Abrazzo. Both reptilian parents are estimated to be about 100 years old. MORE ...