[zwieback]

That and the fact that the statistics don't seem very crisp says everything you need to know about cats.

Anecdotally I can confirm that my cats know each others names, not sure if they would recognize on a monitor though.

[throwanem]

Oh, I don't know. If wasps can recognize one another's faces - and they can! - I don't see any reason in principle why cats, who have orders of magnitude more neurons to work with, shouldn't be able to recognize images of one another.