In an earlier blog,  I had written about territorial marking.  With the weather warming up and more outdoor cats visible to your indoor cats this may cause your cat stress and anxiety which may lead to marking behavior.  I wanted to pass on something that I read in the Feline Patient, 4th Edition, Gary D.Norsworthy, Blackwell Publishing Ltd.  This is another idea to incorporate in addition to the other suggestions in the previous blog.

Debra F. Horwitz writes about designating an Acceptable Marking Location by creating an “L” shaped litter box arrangement using two litter boxes.  One placed vertically standing on the short end and one placed horizontally with litter inside placed inside the vertical one.  The idea is that some cats may spray or mark only in this area.  This may not be an ideal situation but may work for your cat.