For the Smithsonian National Zoo and Conservation Biology Institute (NZCBI), Christmas came early in 2025. Zookeepers were delighted to welcome two new arrivals—sloth bear cubs, born in an off-exhibit ...
Eisenberg, John F. and Maliniak, Eugene. 1985. "Maintenance and reproduction of the two-toed sloth Choloepus didactylus in captivity." In The Evolution and Ecology of Armadillows, Sloths, and ...
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