Unspayed females yowl and vocalize loudly to attract mates when in estrus or "heat" cycles lasting 1-2 weeks.
Tomcats yowl and fight noisily with other males competing for a female in heat to mate with.
Cats mating involves noisy behaviors like male nipping and vocal exchanges between the male and female.
Loud mating screams can indicate pain, discomfort or protest if the mating is forced or unwanted.
Spaying females and neutering males reduces hormones driving noisy heat cycles and mating behaviors.
Loud cat breeding screams late at night understandably disturb neighbors and household members.
Isolate mating cats or distract with food puzzles during peak screaming times to reduce noise.