For the same reason every species does. They have to survive and without new animals in their species they would die out soon.
To have puppies
NO! owls mate owls & dogs mate dogs!
No. Only dogs can mate with dogs.
they mate like dogs
mate
Wait
No.
Dogs and cats should mate for about three to five minutes.
Unless he has been neutered he can mate.
They mate just like any other dogs.
Yes.
mate
2yrs