I rescued a pregnant cat a few months back. When I brought her home to introduce her to my dog, my dog just stared at her with curiosity. The pregnant cat became ferocious and mawed my dog. He had to turn and ran. By the way, he is about 3 times her size.
My dog still stare at the cat, but from a distance. Never once has he tried to do anything agressive with the cat. The closest thing was he tried to sniff her. I think he's just curious about this weird looking animal.
By the way, when he was a puppy he was chased by our next door neighbor's cat. At the time, the cat was a giant compared to him.
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