Snakes have a new bizarre and fifth type of movement

A brown tree snake has wiped out forest bird populations in Guam. The nocturnal snake was

accidentally brought to Guam in the late 1940s, orearly 1950s. Shortly thereafter, the bird population began to decline. As part of the protection project, the discovery of a fifth mode of travel was the unexpected result of a project to protect the nests of Micronesian starlings, one of only two native forest species still remaining in Guam.

The new bizarre movement of snakes cannot be attributed to the known four - rectilinear, transverse undulating, lateral and accordion.

This is the first time in nearly 100 years that a new type of snake movement has been identified.

The researchers called the new behavior "lasso walking." During movement, the snake wraps its body like a lasso around a cylindrical structure and rises up.

Tom Seibert, Colorado State University

Study co-author Bruce Jane, professor of biological sciences and expert on the movement of snakes at the University of Cincinnati, said that he has been studying snakes for more than 40 years, but this is the first time he has seen this type of movement.

The rest of the snakes rise using movementaccordion, which involves tilting to the side to capture two different points at the same time. But with the movement of the lasso, the snake uses its body to create a lasso loop and form a single grasping area.

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Guam is an island in Micronesia in the western Pacific Ocean, which has the status of an unincorporated organized territory of the United States.