Ochotona rufescens (Afghan Pika) is a species of mammals in the family pikas. They are found in the indo-malayan realm and the palearctic. They are herbivores.
Definition: The largest scale biogeographic division of the earth's surface based on the historic and evolutionary distribution patterns of plants and animals.
Definition: Age when primary nutritional dependency on the mother ends and independent foraging begins to make a major contribution to the offspring’s energy requirements.