Maybe it's a sign of the times, but a 20-year age difference and hundreds of miles of separation did not keep Nikki, an 18-year-old female rhino in Cincinnati, from getting pregnant from Vinu, a 38-year-old male rhino from New York.
The pregnancy is important because it represents the first endangered rhino species to become pregnant through artificial insemination of frozen-thawed sperm. The first attempt unfortunately produced a stillborn calf - a common occurrence for Indian rhinos. Not long after though, Nikki was successful on her second attempt.
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