Adolf is loads of Bologna!

"Thus men without exception wander about in the garden of Nature; they imagine that they know practically everything and yet with few exceptions pass blindly by one of the most patent principles of Nature's rule: the inner segregation of the species of all living beings on this earth.
Even the most superficial observation shows that Nature's restricted form of propagation and increase is an almost rigid basic law of all the innumerable forms of expression of her vital urge. Every animal mates only with a member of the same species. The titmouse seeks the titmouse, the finch the finch, the stork the stork, the field mouse the field mouse, the dormouse the dormouse, the wolf the she-wolf, etc.
Only unusual circumstances can change this, primarily the compulsion of captivity or any other cause that makes it impossible to mate within the same species. But then Nature begins to resist this with all possible means, and her most visible protest consists either in refusing further capacity for propagation to bastards or in limiting the fertility of later offspring; in most cases, however, she takes away the power of resistance to disease or hostile attacks.
This is only too natural." -Mein Kampf by Adolf Hitler

And so
When Adolf compares, us humans to a species of animals it's completely out of context since one may think they can compare us but in reality it's completely wrong and idiotic and what was Adolf thinking?
This is an example of a false analogy fallacy. Adolf is trying to compare a species of animals to humans. Someone simply may glimpse his writings and think of it as true, but that's only because Adolf obviously was a good writer or speaker seeing as how far he had gone in killing people...well, at least we know that nothing he speaks is of truth but the false analogy is not proof of the connection between humans and species of animals. The same things just do not apply. There is not subhumans but only humans. Dogs only mate with dogs and cats only mate with cats does not apply because they are ALL animals but we are also ALL humans and there are no subhumans. Race is not a subhuman. Hitler can't blame his actions on nature because he's not comparing the right things in the first place. Nature of intermingling species does not apply to humans in this case. He can't prove himself with this "fact." Hitler is trying to prove why he did his actions and he's blaming it on nature and that nature called upon this with species of animals, but the context that this applies is not relevant to humans at all because there is no comparison to make. Nothing is natural and so his false analogy cannot apply and we cannot take his words as being serious since he has proven he is a psychopath.