Why are small mammals under about 18 ounces mostly insectivorous?

They cannot handle slow plant digestion.

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  1. They cannot handle slow plant digestion ✔
  2. They cannot find plants
  3. They cannot see well

Why: Small mammals have high energy needs and cannot tolerate slow herbivore digestion.

Huh, didn't know that: Small mammals have high energy needs and cannot tolerate slow herbivore digestion.

The dad joke
Small mammals really bug out for food.
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References

Answer: They cannot handle slow plant digestion. Small mammals have high energy needs and cannot tolerate slow herbivore digestion.

  1. Mammal en.wikipedia.org/wiki/Mammal
    Mammals that weigh less than about 18 ounces (510 g; 1.1 lb) are mostly insectivorous because they cannot tolerate the slow, complex digestive process of an herbivore
    Checked 2026-11-07.

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