Dr. Mark Penning shared in an Instagram post that grey kangaroos are back at Disney’s Animal Kingdom.

The kangaroos pictured are Millie and her joey, Buckeye. They came to Disney’s Animal Kingdom from another accredited institution as part of the Association of Zoos and Aquariums’ Species Survival Plan.

“By working with the SSP,” Penning wrote, “we’re able to learn more about grey kangaroos and help keep the population in managed care healthy and genetically diverse.”

Buckeye, Millie, and more grey kangaroos (called a “mob”) can be seen on Discovery Island.

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