Connections: "Giraffe" and "Natural History of Unicorns"

"Giraffe" by J M Ledgard is a fictionalised account of a real life incident involving giraffes in a Czechoslovakian zoo in the 1970s.

“The Natural History of Unicorns” is a non-fiction book looking at the origins and persistence of the unicorn myth.

What connects these two books?

Before I read “Giraffe” I had never heard of the Okapi, the closest relative of the giraffe, but without the long legs or neck. And then, I encountered it again in “The Natural History of Unicorns” as one of the possible candidates for being the source of the unicorn.