Cleveland Metropark Zoo (Ohio,USA) announced on Monday 29 January 2018 that there is not one, but two pregnant Eastern Black Rhinos.
The first one, as said before, is Kibibbi, 14 years old. The young lady is heavy pregnant and due to give birth in the next month or two.
Now, even Kibibbi’s own mother, Inge, 24 years old, is confirmed to be expecting! Male Forest, from Florida, has done a perfect job: his second calf is due around Fall 2018.

Further reading here