A study by the University of Barcelona shows that giraffes combine quantities similarly to addition (IMAGE)
Caption
During the test, the researcher shows each animal two different quantities of carrots in two yellow containers and, after a few seconds, closes them. He then shows them another green container, which contains the amount of food that was added to one of the original containers. Once added, the giraffes are given the option to choose which container they prefer, without ever having been able to see the final result of the addition.
Credit
UNIVERSITY OF BARCELONA
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License
CC BY