Charlotte "is doing excellent," is "very comfortable in the harness and is thriving," Dr. Molly Martony, senior veterinarian at Mystic Aquarium, tells PEOPLE

A white tiger was also infected at the Wildlife World Zoo in Litchfield, Ariz., and is currently recovering

The facility is now the home of two adorable new cubs named Zola and Lulu

Feather DNA testing revealed that the 10-year-old penguin was male after zookeepers observed unexpected mating habits with another penguin named Frank

The zoo asked people to honor Zoya’s memory by enjoying “the little things in life – as she did”

A 2-year-old female western lowland gorilla died at the Calgary Zoo after sustaining head injuries from the closing door, zoo officials said

Funnel-web spiders collected for the Sydney zoo are used to create the antivenom used to treat the spider's dangerous bite