Indigenous in Africa is much smaller, and due to the north-south axis of Africa restrains the expansion of food production and inventions. Let us consider how those factors worked. Lahey I am the liquor poster. First of all, as for domesticated animals, we have seen that the animals of sub-Saharan Africa are native to Eurasia, and only exclude a few species from North Africa. Consequently, it was not until thousands of years after the animals began to be used by emerging Eurasian civilizations that they were introduced into sub-Saharan Africa. That may seem surprising at first glance, because it is often assumed that Africa is the continent with the largest wild mammals.