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Leaping lizards and dinosaurs

Tightrope walkers use poles to keep their balance. A study reveals that agama lizards use their tails much like balancing poles as they leap through the air — and that some dinosaurs may have done the same. See Letter p.181

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Figure 1: Conservation of angular momentum.


  1. *This article and the paper1 under discussion were published online on 04 January 2012.


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Correspondence to R. McNeill Alexander.

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Alexander, R. Leaping lizards and dinosaurs. Nature 481, 148–149 (2012).

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