This is how you know that Blackie is not a wild animal, though sometimes looking at the way he behaves, that is hard to tell.
In Perth, while we were interacting with the animals, we were always abjured strongly not to touch their heads, because they were wild animals who happen to be more tolerant of us. We could stroke their backs, but their heads and faces were off limits.
Blackie, on the other hand, really loves getting a nice head rub. See how his eyes are closing with pleasure.
An unusually coy moment: