Clayton and you can Dickinson tackled that it complications compliment of a cutting-edge group of studies that have west rub jays
A key matter to learn about these types of wild birds was a certain sheer behaviour he has got: they shop food (because of the burying they) so you can access at a later date. To begin with, new experts gave birds the chance to realize about many types out of restaurants. They certainly were given peanuts and you will wax viruses to help you bury inside mud-occupied ice cube trays, right after which discover at a later date. During this education stage the newest wild birds learned that the latest viruses (that they greatly preferred) decayed a lot faster as compared to walnuts. They therefore including discovered that if several years of your time got passed then there is not much reason for looking him or her right up, as they had gone spoiled.
However they included such about three section towards the an individual memory, since the not doing this would have led to her or him and work out problems whenever searching in the kept dining
The newest birds were upcoming examined inside the a situation in which these people were provided the latest ice cube trays in which these people were pressed (by restricting use of you to definitely side of the holder) to save one types of eating on one side of your own holder, and therefore the different kind away from food on the reverse side of one’s rack 5 days later. Lire la suite