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animal-locomotion

2 stories related to this topic, newest first.

Crabs’ Sideways Walk Evolved Once 200 Million Years AgoScience News
science14 days agoDeveloping

Crabs’ Sideways Walk Evolved Once 200 Million Years Ago

A study of 50 crab species found that sideways locomotion originated with a single ancestor roughly 200 million years ago. The trait is linked to the evolutionary success of the most diverse crab group, which now includes nearly 7,500 species. Researchers say the change required…

Science News
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Scientists Identify Muscle Responsible for Penguins’ Waddling Gaitnews.sky.com
science23 days agoDeveloping

Scientists Identify Muscle Responsible for Penguins’ Waddling Gait

Scientists have identified an enigmatic tissue that forces penguins' lower limbs close to the body near the knees. @ScienceMagazine reported that this adaptation produces the birds' distinctive waddle while also streamlining their bodies underwater. The finding explains efficient…

SC
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