Yes, there have been cases where female cats in heat are attracted to male humans more than female humans. The reason being the hormones of male humans and your cat's strong sense of smell. To avoid it you need to take care of your cat.
A softer mating call, which has been described as an imitation of the female's “heat cry,” indicates readiness to mate. The male usually circles the female before directly approaching her.
If cats are mounting each other to establish dominance, it's possible that social stress in the household is too high. Beyond these, there are no negative consequences of cats mounting each other, as long as everyone's happy. If your cat is not neutered, this behavior is most likely caused by hormonal activity.
Cats often bite each other when playing, when grooming, or when trying to show dominance. This can become aggressive if they are fighting over food, toys, or attention. Younger cats sometimes bite one another's necks when they are learning to hunt.
Cat humping can be related to stress and anxiety. This is most likely when something has recently changed in the cat's environment like the addition of a new family member, a move, or even a neighborhood cat that can be seen from a window. Boredom is another cause of humping in cats.
Another possible scientific explanation for why cats knead is that the pads of their paws have scent glands in them, which are used to mark and lay claim to an area, either for sexual "advertisement" or for territorial ownership. Cats may be kneading an especially soft place they want to claim as their own.
Neutered females and even neutered males will do this. While the behaviour is sexual in origin, in neutered pets it has been turned into a gesture of affection. All your stroking is a bit like feline foreplay, but don't worry - your cat doesn't actually expect nookie, it's just showing you how good it feels!
Neutered cats will still fight whenever they feel that their home turf is being threatened by an outsider. Cats that are not neutered tend to do the roaming and invading of another cat's home base, thus increasing their chances for injuries and infections that result from fights.
In general, once a male cat has been fixed and some time has passed, he will no longer be attracted to female cats in heat. When a female cat is in season, she will make it known to all around her.
Castration reduces roaming in approximately 90% of cases. Although neutering greatly reduces sexual interest, some experienced males may continue to be attracted to, and mate with females. Male urine odor is particularly strong and pungent. Castration leads to a change to a more normal urine odor.
Sexual Activity in Cats After Spay or Neuter
A cat's reproductive organs are removed during a spay or neuter. 1 This means the cat's body should no longer produce sexual hormones. If the cat reached reproductive age prior to sterilization, there may be residual hormones right after surgery.