---

Related Topics

---

Snakes are well known for slithering across the ground, but some species have developed an unusual way of moving: rolling. A new study published in Current Biology examined how dwarf reed snakes (Pseudorabdion), small snakes found in Southeast Asia, can move rapidly by rolling their bodies while keeping their heads remarkably stable. Researchers led by Yosuke Kojima from Toho University in Japan investigated this unusual behavior to understand how the snakes maintain control while moving at high speeds. Rolling is uncommon among animals because rotating the body can make it difficult to maintain balance, orientation, and awareness of the surroundings. The study provides new insights into how animals can develop specialized movements despite limitations imposed by their body structure.

To investigate this behavior, the researchers analyzed videos of three species of dwarf reed snakes performing their unusual rolling movements. Instead of simply rotating their entire bodies like wheels, the snakes used carefully coordinated movements to propel themselves forward. They curved sections of their bodies into arch-like shapes and alternately brought these curved sections down toward the ground, creating a continuous rolling motion. The researchers discovered that the snakes could reach speeds approximately four times faster than their usual slithering movements. This remarkable ability allows them to travel quickly and may help them escape predators in their natural habitats.

One of the most surprising discoveries was how the snakes kept their heads stable while the rest of their bodies rotated rapidly. Video analysis revealed that the rear portions of their bodies performed large rotational movements, while their heads remained pointed in the direction of travel. Their heads also stayed at a relatively constant height above the ground. Interestingly, as the snakes rolled faster, they reduced the up-and-down movement of their heads, helping them maintain a stable position. This coordination may allow the snakes to better observe their surroundings and control their direction while moving at high speeds.

The findings demonstrate how animal behavior can overcome physical limitations. Although snakes do not have legs or wheels, dwarf reed snakes have developed an effective way to move rapidly through coordinated body movements. Their ability to separate the movements of their heads and bodies highlights the flexibility and complexity of animal locomotion. The discovery could also inspire future developments in robotics, particularly machines designed to move through narrow spaces or challenging environments. More broadly, the study shows that an animal’s physical appearance does not always reveal the full range of movements it can perform, emphasizing the importance of studying behavior to understand biological adaptation.

Watch video here: https://www.cell.com/current-biology/fulltext/S0960-9822(26)01108-5

Reference

Kojima, Y., Fukuyama, I., Hossman, M. Y., Kaliang, C. H., & Nishikawa, K. (2026). Locomotor kinematics and head stabilization in rolling snakes. Current Biology. https://doi.org/10.1016/j.cub.2026.08.057

AI Disclosure Statement:
The Chromoscience uses AI-assisted tools to support the preparation and editing of science articles. Content is reviewed by the editor for clarity and consistency with the cited research before publication. Readers are encouraged to consult the original scientific publications for complete findings, methods, and limitations.