They have sexual contact where the penis enters the vagina and sends out semen and sperm
emus will not mate with humans they can only mate with their own kind
Some do mate for life, but some don't.
By having sex
Cats, like humans, naturally know when/how to mate.
like humans do
No, not legally, and no offspring can be created.
no but humans can make horses mate with the same patner all there life
It is physically impossible for a human to mate with a penguin. They are two different species with no ability to produce an off spring by the fusion of their sex gametes.
Yes, Neanderthals and humans were able to mate with each other, as evidenced by genetic studies showing that modern humans of non-African descent have Neanderthal DNA in their genomes.
they mate in feilds by humping each other and haveing babys and love humping humans
It's highly likely they don't.
Just as much as humans.