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I have a full grown adult cat who is using my kitchen sink and bay window as her litter box.  This started about a year ago.  I have a total of 7 cats - all of which have been together for 8 years.  Nothing new in the house.  Why would one cat be giving me problems like this?

cat behaviour can change quite often and so even though these cats have lived together for some time it is not uncommon for attitudes and like and dislikes to change with time.

Cats generally do not like to share their litter trays as the smell of other cats waste is a sign of territory etc. So it may be that this cat has decided to make the window her territory and leave the litter trays for the other cats.

i don't know how many litter trays you have but if they don't have one each perhaps you could increase the number of trays you do have and give this cat some time alone with one of them using the confinement process described here


best wishes Kate


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Kate Tilmouth


I can answer most day to day cat problems encountered by owners. I have a good understanding of cat behaviour and problems which may arise from changes to their daily routine. I can advise on cat training including litter training and general day to day cat care issues. I am not a vet and therefore cannot answer medical questions.


I run my own cat website at and have been a dedicated cat owner for over 20 years. I have encountered many different cat problems and situations and feel that i have a good understanding of cats and cat ownership.

I am a platinum member of Ezinearticles where i write mainly cat related articles.

Educated to High School level and have since worked for many years in a customer support based environment, gaining vocational qualifications.

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