'I saw changes right away. Flaco initially was not so adept at flying - certainly not so adept at landing - but he got better at it.
'And amazingly - this is the most incredible thing of all - Flaco taught himself to hunt in a matter of a few days. That was not expected.
'Historically animals raised in captivity, which was the case with Flaco, do not have the ability to survive well in the wild. They don’t learn survival skills.
‘Flaco is, as far as we know, the only wild Eurasian Eagle-Owl in all of North America—another reason that visitors come to Central Park to see him,’ he added.