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Lincoln Park Zoo Celebrates World Rhino Day with News of Endangered Eastern Black Rhino Pregnancy

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Published on September 23, 2025
Lincoln Park Zoo Celebrates World Rhino Day with News of Endangered Eastern Black Rhino PregnancySource: chascarper from Chicago, U.S.A., CC BY 2.0, via Wikimedia Commons

In a bid to cheerfully mark World Rhino Day, Lincoln Park Zoo has announced a significant boost to the population of the endangered eastern black rhinoceros. The zoo is soon to expect a new arrival as Kapuki, a 20-year-old eastern black rhinoceros, has been confirmed pregnant, with fecal samples revealing the impending addition due early spring of 2026. This news was first reported by WGN-TV and later covered by CBS Chicago.

Of significance, this is Kapuki’s third calf with the zoo, and her first with the 21-year-old male Utenzi. “Every birth matters to this critically endangered species, and we’re proud to play a role in growing the eastern black rhinoceroses’ population,” said Curator Cassy Kutilek in a statement obtained by WGN-TV. Eastern black rhinos are not to be trifled with when it comes to gestation; females endure a lengthy 16-month term and usually give birth to just one calf at a time.

The excitement around Kapuki's pregnancy is compounded by the vital role it plays in conservation efforts. The Eastern Black Rhinoceros Species Survival Plan, an undertaking by the Association of Zoos and Aquariums institutions dedicated to promoting genetic diversity and population growth for threatened species, will be all the more enriched by the addition of Kapuki's calf.

The plight of the eastern black rhinoceros is a grave one, with numbers plummeting by 98% between 1960 and 1995, primarily due to rampant poaching. Kutilek told CBS Chicago, "Kapuki is an experienced mother successfully raising King and Romeo and we're looking forward to seeing her in this maternal role again soon." Thankfully, current figures show a rebound to around 5,000 mature individuals in the wild, a testament to ongoing conservation efforts.

Enthusiasts and zoo visitors looking to share in the zoo's excitement can do so by visiting Lincoln Park Zoo’s Wish List for potential gifts of leafy treats for their rhinos, or by symbolically adopting an animal to further support their conservation initiatives. More information about eastern black rhinos and other Lincoln Park Zoo residents can be gleaned from their official website.