Male cats in particular are biologically wired to fight with other male cats when females in heat are present. (catster.com)
Additionally, they may be attacked by other male cats as well as dogs or may be hit by a car. (myanimalandbird.com)
- Once a male cat has reached its destination, he is met by many other male cats that have also traveled from other places to breed this same female cat. (hollyhelp.org)