Well, it all depends. are they neutered/spayed? is one a kitten? sometimes, if you introduce a kitten to an animal, they will get used to each other. however, if they are both adults, they have been set in their ways, and they might not get along as well.
Male and female raccoons do not live together unless the male is a young offspring of the female.
male+female= babies male+male = might fight female+female= might become friends
female
no
Whether or not you can have male and female ocicats, male and female toygers, male and female boxers and a male and female doberman will depend on where you live. There are rules as to how many pets can be in one home in many places. It will also depend on how much money you have. It will be expensive to care for so many pets.
Probably female so they don't fight for a spot! :)
the female lives longer
Yes they do.
A male finch can't really live with a female cockatiel as you should not mix straight-beaked and hooked-beak birds.
Female giraffes live longer than males.
Female giraffes live longer than males.
Yes, Male cougars live much longer than female cougars, usually 2 to 3 years longer.