In early 2016, zookeepers at Healesville Sanctuary in Victoria, Australia, introduced a female Goodfellow's tree kangaroo named Mani to a male of the same species named Bagam with one urgent objective: to swell the ranks of the endangered species. Some two years later, their hopes were realized when a routine check of Mani’s pouch found a newborn joey the size of a jelly bean.

Before poking its head out for the first time in early September, the joey spent about six months nursing and growing in Mani’s pouch. During that time, the conservationists of Zoos Victoria were championing tree kangaroos on a whole other front—by helping coffee farmers find profit in protecting the species’ habitat.

The arrival of the joey,