Panbanisha, a bonobo at the Great Ape Trust in Des Moines, Iowa, has given names to two swans nesting at the center:
The latest project began in the spring when the swans were released on the trust's lake. It took months of work to motivate Panbanisha to name the birds.
Researchers made references to the swans while communicating with the bonobo -- showing the ape they were interested in giving them names. They displayed pictures of the swans, played videos of them and took Panbanisha on a walk to find them. [...]
And finally this month, Panbanisha made her choices: Morgan and Olivia.