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Dear Cathy: We recently noticed our rescue cat Chanel has been urinating on our couches. I tried putting ammonia on the spots after washing them and rubbing her nose on the sites. Nothing helps. She keeps doing it. We adopted Chanel and CoCo from the same cage at the same shelter. We are afraid CoCo will follow Chanel and do the same thing. How do we stop Chanel from doing this?  — Angie, Henderson, Nevada

Dear Angie: Many things can trigger improper elimination with cats, from litter-box placement, type of litter and cleanliness to anxiety, stress or simply seeing another cat outside. Until you know, you will have to try several things to see what works.

To begin, take Chanel to your veterinarian for an exam. When animals suddenly begin urinating on furniture and other odd places, it can signify a health problem or illness. Once treated, these improper eliminations should stop. Rule that out quickly so you know what to try next.

Next, don't use ammonia to clean her accidents. Ammonia is a natural by-product of urine, designed to attract cats back to the exact location or tell another cat to stay away. When you clean with ammonia, you are inviting Chanel (and potentially CoCo) to pee on the couch. (I bet you're freaking out a little that you did this. Don't; it's a common mistake.)

Use an enzymatic cleaner, which eats up the biologicals left in the furniture (urine, fecal matter and feces), removing all traces of the waste and odor.

Afterward, you could also try to spray the area with Bitter Apple (available at the pet store) to discourage them or put up a roadblock directly over the spot, like a box, to encourage them to use the spot for napping instead. (Don't rub your cat's nose in the urine. I am not sure why pet owners so widely do this, but it doesn't work and is not a legitimate training technique. In fact, it could have the opposite effect.)

Keep the same number of boxes as cats plus one — so three boxes. Leave the lid off one of the litter boxes in case Chanel prefers to stand on the edge to relieve herself. Place the litter boxes in different areas since one resident cat can block another from using a particular box. (The cat could not protect all three litter boxes if they are in different areas of the house.) Sift the litter twice daily, and use a litter-box attractant (available at pet stores) in all three boxes to help lure Chanel back to the box.

If you suspect any of this is stress-related (Chanel saw a cat outside, you had company, you just moved, etc.) , use plug-in pheromones in the room with the couch or put pheromone collars on both cats to help take the edge off.

Dear Cathy: We feed three (spayed) feral cats in our yard and deck. They won't let us touch them but are dependent on us for food and water. Recently, two blue jays attacked the cats. They terrorize them and won't let them eat to the point where the cats are afraid to come into our yard. I have tried spraying the birds with water to keep them away, but nothing works. There is no place else I can feed the cats. Please help. I need some ideas on how to handle this problem.  — Dolores, Bethpage, New York

Dear Dolores: When you say two, I hear "pair," which tells me the birds are probably a mating pair trying to protect their young, which are probably nearby. If this is the case, the behavior will stop when their fledglings leave the nest.

In the meantime, you have two options.

First, get a dog kennel, doghouse or other covered structure for your yard, and place the cats' food inside. This gives the cats a place to eat without being dive-bombed by the birds.

Second, feed the cats at dusk when bird activity is minimal. Cats are nocturnal, and these birds are not, so moving the cats' feeding time to early evening is a simple and easy way to keep the peace.

Dear Cathy: Love your column. I want to suggest that folks with dogs who have trouble walking on tile or wood floors make sure their pet's paws are trimmed of hair. My sister had a husky who did better on floors when the hair growing between his paws was trimmed. — Ciel, Andover, Connecticut

Dear Ciel: That's a good reader tip. Thanks for sharing it. 

Send your pet questions, stories and tips to cathy@petpundit.com. Please include your name, city and state. 

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Dear Cathy: I have a 2-year-old female Havanese/Coton de Tulear mix. I live in Tucson, where many in my community have lost little dogs and cats to coyotes. So, I have had her use a potty pad since she was 8 weeks old. She never goes on the floor. But if there is a rug, she will go on it. I've removed all my area rugs but would like to put them back. I have no idea how to break her of this habit. I think she just thinks of them as "luxurious potty pads"! Any suggestions? — Joan, Tucson, Arizona

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Dear Cathy: I have a 7-year-old female golden retriever. She is great with other dogs when loose, but when I walk her on a leash, she barks aggressively at them. She used to be fine, but her behavior changed when she turned 4. I had her on a leash, and a stranger let their loose dog run up to her, raising its hackles, which she didn't like. Ever since then, it has been an issue. Any suggestions to rectify this? — Emmy, Killingworth, Connecticut

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