The zoo has not named the four hatchlings, believed to be female, yet; however, guests will be able to visit them starting on April 23 Mommy, a Western Santa Cruz Galapagos tortoise, is making history ...

Female tortoises facing constant sexual aggression from males are walking off cliffs to avoid the male tortoises, according to a new report A new study published Jan. 26 in the journal Ecology Letters ...

Four critically endangered Western Santa Cruz Galapagos tortoises have hatched for the first time in the Philadelphia Zoo’s 150-year history. The hatchlings were born to the approximately 100-year-old ...

Scientists say a tortoise discovered in 2019 on the Galapagos Islands belongs to a species considered extinct more than 100 years ago. The single female tortoise belongs to the species Chelonoidis ...

Spotting a Mojave Desert tortoise is increasingly difficult in the American Southwest. The tortoises, with their unmistakable domed patterned shells, live in California, parts of Nevada, Arizona and ...

A Santa Cruz Galapagos tortoise named Mommy gave birth to four babies, believed to be female, at Philadelphia Zoo Michael Nied has been a digital news editor with PEOPLE since 2025. He has previously ...