I visited the Nashville (Tennessee) Zoo today.  It is located on an
old farm, and the farmhouse, called Grassmere and built circa 1810,
is now a house museum.  A number of outbuildings have also been
preserved as a "historic farm", and they have draft horses, goats,
sheep, and chickens at the farm site, in addition to the zoo animals
located elsewhere.

When I walked through the barn, I saw a cat asleep on a wooden bench
in the middle of the barn.  As I approached, it opened its eyes a
slit, but didn't move.  I talked to it in a soft voice, slowly held
my hand down for it to sniff, then started stroking it.  It purred
loudly.

He (or she; I couldn't see the credentials) was a domestic
short-hair, probably about 15 pounds, with beautiful grey-and-black
markings.  The front third of the cat had tabby stripes, and the rest
of its torso had irregular rings, somewhat like the markings on a
clouded leopard.

I figured that it was probably the official barncat.  It was
obviously used to encountering strangers, and most of the strangers
that it met were evidently friendly (the fact that I no doubt smelled
of my cat probably didn't hurt).

I petted it for a minute or so, then went on about my zoo visit and
let it resume its catnap.