东南亚的侏儒芦苇蛇具备一种非同寻常的逃生能力——通过滚动方式运动，其速度远超传统的侧向蛇行。研究表明，这些微小蛇类的滚动最高速度达到1.72至3.69米/秒，约为侧向蛇行运动最大速度的四倍。1
Toho University的研究团队通过实验发现，侏儒芦苇蛇的滚动并非不受控制的翻滚，而是一种精确协调的运动方式。蛇类能在仅20厘米宽的跑道上保持滚动运动，这充分说明它们对这一运动方式拥有精确的控制能力。在滚动过程中，蛇类通过交替在一侧滚动和向下摆动身体弯曲部分来实现连续的前向运动。1
最为关键的是，这些蛇在高速滚动时能够保持头部的相对稳定性——头部始终指向运动方向，相对高度基本保持恒定，不随身体旋转而变化。这一机制使得侏儒芦苇蛇在逃离捕食者时既能获得速度优势，又能保持对周围环境的感知。这项研究已发表在《当代生物学》期刊2026年第36卷第20期。1
Researchers have discovered that dwarf reed snakes native to Southeast Asia employ a remarkable rolling motion to escape predators, achieving speeds approximately four times faster than conventional lateral locomotion 1. Scientists from Toho University found that these diminutive snakes reach maximum rolling velocities of 1.72 to 3.69 meters per second, compared to their typical sidewinding speeds 1.
The rolling mechanism relies on precise body coordination rather than chaotic tumbling 1. The snakes maintain their heads pointed in the direction of travel while keeping their heads at a relatively constant height as the rest of their bodies rotate 1. This controlled technique involves alternating rolls on one side with downward body undulations to generate continuous forward momentum 1. The snakes can sustain this rolling motion across a 20-centimeter-wide track, demonstrating that the movement is a deliberate escape strategy rather than uncontrolled flailing 1.
The findings were published in Current Biology Volume 36, Issue 20 in 2026 (DOI: 10.1016/j.cub.2026.08.057) 1.
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