There's no shortage of insects in the world, which makes for a very reliable food source. While most people in the western world have an aversion towards making a meal of insects, they can provide protein and essential vitamins on a fraction of the resources of larger animals.
There are people all around the world that eat grasshoppers, and some that consider them a delicacy. They are high in protein, plentiful and easy to harvest. If you don't think about what you're eating, they're not bad.
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