Some evolutionary benefits of these curious traits?
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| cartoon: ChaosLife |
- Sleeping is key when one's primary food source contains very little energy or nutrients.
- Knowing the mating potential of a female through the hormones in her urine allows smooth giraffe mating.
- Cubical poop? You got me. Any guesses?
- And the weirdest thing about the platypus is the way it swims?
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