This article is from the Afghan Hound Breed FAQ, by Janis Nixon with numerous contributions by others.
Afghans can run the gamut from overly brave to downright shy, and this
can occur even amongst individuals born in the same litter.
Socialization is very important to this breed, as they can become
quite feral if left to themselves. In general, Afghans can be very
stand-offish and are sometimes wary of strangers. Their high-handed
and lordly attitude makes them good deterrent dogs. They will choose
their own friends, very much like cats will. Around his best buddies,
the Afghan shows his comical, stubborn and almost frighteningly
With their high prey-drive, Afghans will pursue and dispatch anything
that runs from them and should never be allowed to run at large. If
brought up with a feline friend, the Afghan can be quite reliable with
the household cat, but will still chase anyone else's.