However, in a report in the Journal Zoo Biology, scientists also said that when standing underwater, flamingos prefer to stand on one leg more than when standing on land.
In short, birds stand on one leg to conserve their body temperature. If they put their feet in the water they will lose more heat than their legs, especially when they spend a lot of time wading in the water.
“The final results provide evidence that standing on one leg is a principle of flamingo rest,” Anderson said.
Birds can also be replaced when their feet are standing to prevent one foot from becoming too cold. “If standing on one leg for too long, they are at great risk of loss of body and potentially loss of cells under very cold conditions,” Anderson said.
Researchers do not believe in other theories, such as standing on one leg to help flamingos circulate blood better by limiting the impact on their circulatory system. But they do not exclude the idea that there are additional benefits besides preserving body temperature.
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