gq: Only a few contemporary societies are classified as hunter-gatherers, and many supplement their foraging activity with horticulture and/or keeping animals.
Question: How many groups of modern hunter-gatherers are there? Question: Who uses agriculture and animal domestication to supplement their food? Question: What do modern hunter-gatherers use to produce food in addition to gathering? Question: In addition to domesticated animals, how do gatherers supplement their food? Question: Besides  agriculture, how do gatherers add to their food supply?