Girl Planting seeds

Many wild animals 'count'—and it helps them survive to another day

Say you’re a small mammal like a ground squirrel, vulnerable to becoming a bigger animal’s meal. You spy a roomy cave in the distance—but two large bears are already heading into it. A few minutes later, one walks out. Is the cave safe for you? That’s the kind of real-time calculation most animal species face on a daily basis. In addition to avoiding predators, the ability to grasp quantity can help solve a range of problems, such as finding a mate, foraging, and navigating. Read more....



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