If you want to have a babycat...,

[Silverobama]

I found some abandoned kittens that are only a few days old. Since I already have cats, I can't take them in, so I've posted in some local chat groups to see if anyone would like to adopt them.

So I said "Excuse me..If you want to have a babycat, you can call me".

Is my sentence natural? How can I rephrase the expression to ask people if they are interested in keeping those cats.

 

[emsr2d2]

Don't start with "Excuse me". They're kittens, not "babycats".

I don't know how it works in China, but I would take them to a vet first to get them checked over. The vet might be able to contact a local animal rescue centre who can take them. The problem with advertising them online is that you have no way of checking out the people who contact you. They could be taking them for all sorts of nefarious reasons. Animals should never be advertised online to the public.

From a purely grammatical point of view, say something like "Hi, everyone. I found [number] kittens and I'm looking for loving, caring homes for them. Please call me on [phone number] if you think you might be able to provide the right kind of home."

Out of curiosity, why are you posting on your local chat groups in English?