How Do Squirrels Remember Where They Buried Their Nuts?

By Emma Bryce, Live Science Contributor | November 17, 2018 08:18am ET

Few things symbolize the onset of fall quite so well as the sight of a squirrel scampering around a park, industriously burying nuts. As the weather cools and the leaves turn, squirrels engage in this frantic behavior to prepare for the upcoming shortages of wintertime.

But have you ever wondered how effective the squirrel's outdoor pantry project could really be? After going to all that effort to conceal its winter stash, how does the squirrel actually find the buried treasure again, when it's needed most?

First, let's backtrack slightly, because the way that squirrels bury their food yields some interesting clues. Animals that store food to survive the winter don't just do so randomly: They typically use one of two strategies. Either they larder-hoard — meaning they store all their food in one place — or they scatter-hoard — meaning they split up their bounty and stash it in many different locations. [The 12 Biggest 'Little' Mysteries of Fall — Solved!]

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