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Barcelona Study Shows Giraffes Add Hidden Carrot Numbers

7/3/2026

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Summary

Story summary

University of Barcelona researchers reported that four zoo giraffes can mentally add unseen carrot chunks.
The experiment presented two containers with different carrot counts, then closed them before adding a third container with extra carrots to only one box.
The giraffes consistently chose the container that should have held the larger total, indicating mental addition.
The findings were published on Friday in the journal Scientific Reports.

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Story summary

University of Barcelona researchers reported that four zoo giraffes can mentally add unseen carrot chunks.
The experiment presented two containers with different carrot counts, then closed them before adding a third container with extra carrots to only one box.
The giraffes consistently chose the container that should have held the larger total, indicating mental addition.
The findings were published on Friday in the journal Scientific Reports.