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>>Flyers (in the wild) are scatter-hoarders by >>instinct. They will stash their booty in any nook or >>cranny they can find, most often in the trees but they >>will also bury hard nuts in the ground not far from >>the relative safety of a tree trunk. >>Each method has its good and bad points. Scatter >>hoarders will not find a great percentage of what they >>stashed, but by scattering their finds, they do not >>run the risk that larder-hoarders must deal with, that >>of having one central food location found-out by >>competitors and then be robbed blind! > >In the case of flyers, Mike Winterrowd, Ph.D., looked >at hoarding behavior and recovery of stashed nuts. He >wanted to see if flyers recovered nuts randomly, by >smell or from memory. > >1. He set up a sand box and the flyers buried nuts. >They would dig up a certain percentage. >2. He then moved their buried nuts a few centimeters >and they recovered fewer. >3. He made the nuts un-smellable and repeated the >above with the same results. >4. He added landmarks to the sandbox i.e. bricks and >the recovered rate was the highest. > >Conclusion was that flyer use memory in recovery >process. > >So, at least our flyers remember when they put things. >;-)
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