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Giraffes: Unexpected Math Whizzes at the Zoo?

July 16, 2026 · 2 min read

Giraffes solve simple math problems showing unexpected intelligence
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Verified across 2 independent sources. smithsonianmag.com · bbc.co.uk

How many carrots do two hidden piles of carrots make? Surprisingly, this seemingly simple math problem might be solvable by giraffes. Yes, you read that correctly. Recent research suggests these elegant mammals possess an unexpected knack for computation, at least when snacks are involved.

Giraffes: Long-Necked Little Mathematicians?

Researchers at the University of Barcelona conducted a study at the Barcelona Zoo, where giraffes were presented with an intriguing challenge: choosing which of several containers held more carrots. The catch was that the carrots were hidden, requiring the giraffes to mentally combine quantities from two distinct locations to determine the total sum.

The results were astonishing. The giraffes correctly chose the container with more carrots 68% of the time, a rate significantly above random chance. This performance suggests they are capable of mental arithmetic, at least in terms of addition. Two of the giraffes, in particular, excelled even when no shortcuts were available, indicating genuine numerical processing rather than simple sensory cues.

Numerical Limits: Is Subtraction Too Much?

However, the giraffes’ numerical intelligence appears to have its boundaries. When faced with subtraction tasks, where carrots were removed from containers, the giraffes failed. Their performance dropped to chance levels, suggesting that subtraction operations are, for now, beyond their mathematical capabilities. This study, published in the prestigious journal Scientific Reports, adds a new dimension to our understanding of animal cognition.

Did you know…?

  • Q: Are giraffes the only animals capable of simple addition?
  • R: No, other animals like honeybees and chimpanzees have also demonstrated numerical abilities.
  • Q: Why did the giraffes fail the subtraction tests?
  • R: Researchers believe subtraction is a more complex mental operation than addition and may require different cognitive concepts.