Ok, did a little web search on this, and found... http://videoforcats.com/catvision.htm Don't know how authoritative this is, but it sounds like they did a bit of research... It would be interesting to see how a cat would respond to a green laser pointer... apparently green is one of the colors they seem to be sensitive to. BTW, this is getting off topic... perhaps it should end soon. (with apologies for drawing it out)... -al- -acorda(a)1bigred.com -----Original Message----- From: Eric Smith [mailto:eric@brouhaha.com] Sent: Tuesday, November 04, 2003 4:37 PM To: General Discussion: On-Topic and Off-Topic Posts Subject: RE: Cats "Corda Albert J DLVA" <CordaAJ(a)NSWC.NAVY.MIL> wrote: True, AFAIK. Not true. Otherwise they wouldn't be interested in red laser pointers.