Why on earth is the cat humping the dog?!?!?!?!?

Question

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Okay, so the strangest thing has been happening the last few days. Jade, our boston terrier, is about 5 months old now, and we also have a male, NEUTERED, cat named Simba who is 10 months old. I have caught him 3 times in the last week attempting, what i believe, to hump THE DOG! He will stalk her while she is sitting calmly, chewing on a toy/pig ear/treat and jump on top of her, biting on the scruff of her neck. I have, of course, stopped this before he is able to do anything. But he does try to lower himself down onto her?!?!?! I'm just baffled and concerned by this behavior? Is it possible that something went wrong with Simba's neuter? Is the dog going into somesort of early heat (though there are no signs)? Or is this just his nature? Is there a stray in the neighborhood that could be in heat so he's turning his actions to the dog? Or should i just blame it on the recent full moon?!

What on earth should i do!!!!!!!!!!

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Answer 1

Right! I imagine Simba has the same manners as King Leonidas: This Is Sparta!!!  like "this is all mine...mine I tell you!" heh heh I guess what I am trying to say is your male cat is imposing dominance over Jade.  Your case is very common.  Fixed pets will do this. Have you noticed if he stays in the litter box for some time? This also signifies dominance, to block access to others. Spray Simba with water when you see him doing it and show him who the boss is. He'll get it.

Answer 2

The cat is showing the dog that she is the DOMINATE one of the two. When you see them like this, it's best to seperate them for a while. Once the cat has figured the Dog knows she is the TOP RULER in the family, it will stop...

Answer 3

Clearly your cat is bi-sexual it likes both cats and dogs.