Non-tribals also use tribals to hunt the animals. However, with adequate conservation inputs and captive breeding, many of medicinal uses of animals can be continued without causing any significant harm to their populations. Body parts, such as blood, skin and skeleton, and products such as milk, urine and faeces all have medicinal uses. More than 25 animal products have been short-listed for scientific investigation. The hen's egg had maximum number of uses - 36 applications in various tribal communities.
Peacock is another bird with several utilities.
It is a world where one is answerable to the omnipresent and the omnipotent. For most of the tribes the forests are sacred and harm done is punishable. The tribal healer is also the medium through which they know what is happening. Different tribes use their own theories, like the concept of tijio among the Santhals of central India, which is similar to the modern day concept of 'bacteria'. Among the Kanis of Kerala, the concept of visham explains cause of disease and it they are expelled by steam with medication.