Japan researchers uncover how dwarf reed snakes roll at high speed to escape predators
TOKYO -- Dwarf reed snakes, found in Southeast Asia and elsewhere, display an unusual escape behavior when they encounter a threat: They form their bo
Japan researchers have uncovered the surprising high-speed escape technique of dwarf reed snakes, which use a looping motion to flee predators. These small snakes, native to Southeast Asia and other regions, were previously known to roll away rapidly when threatened. Toho University scientists conducted a comprehensive study, analyzing three species of the genus Calamaria, ranging from 10 to 26 centimeters long.
By filming the snakes from multiple angles and examining their body movements, the team discovered that the snakes achieve this extraordinary speed by keeping their heads focused forward while their bodies twist into a loop. Their heads remained stable and pointed in the direction of travel, maintaining a consistent vertical position throughout the roll.
This unique movement allowed the snakes to travel at 4 times their usual serpentine speed, averaging around 2.29 meters per second. The study's lead researcher, Toho University lecturer Yosuke Kojima, expressed astonishment at the snakes' dynamic behavior, noting that the complex body movements were not anticipated. The findings were published in the international biology journal Current Biology on October 19.
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