We discovered that snakes partition their body to traverse large 3-D terrain like steps. By doing so, their can maintain near-perfect static stability while generating thrusts to overcome drag. This body partitioning strategy is conserved when terrain properties like surface friction and step height changes. We also observed similar partitioning for other types of 3-D terrain. These results suggest that this may be a strategy generally useful for traversing complex 3-D terrain.

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