eli5: How do animals figure out if something they see is edible or not?

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eli5: How do animals figure out if something they see is edible or not?

In: Biology

Anonymous 0 Comments

Most of them go by smell, the reason some animals eat their own poop is that they smell that there’s something of nutritional value in it. Some even a little taste test. And there’s even a little bit of instincts at play.