Instead of “flying like an eagle”, it should perhaps be “flying like a condor”.
A newly published study found that Andean condors can fly more than 100 miles without even flapping their wings.
The study, published in Proceedings by the National Academy of Sciences, found that the birds, which can weigh more than 30 pounds, can use their pre-flight and initial flutter the very first time they fly. Once you have reached the desired height, it is relatively stress free.
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“When you watch birds from kite to eagle, you may wonder if they will ever flap,” said the study’s lead author, Dr. Hannah Williams of the Max Planck Institute for Animal Behavior, in a statement: “This question is important because of The time when birds are the size of condors, theory tells us that they rely on heights to get around. Our results showed that the amount the birds fluttered did not change significantly with the weather. “
“This suggests that decisions about when and where to land are critical, as not only do condors have to take off again, but unnecessary landings also add significantly to the total flight cost,” added Williams.
The researchers analyzed data from the time the birds began to travel until they reached high altitudes, and found that almost 75 percent of the flutter was caused by condors during the first launch.
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“This is a critical time as birds have to find rising air to avoid an unplanned landing,” added the study’s co-author, Dr. Sergio Lambertucci. This is a fine example of where the behavior of birds can give an insight into the behavior of the air. “
Andean condors are more than 4 feet long when fully grown and have an exceptionally long lifespan that, according to National Geographic, is up to 75 years in captivity. Their food consists of wild and indigenous large animals, and it is known that they feed on the eggs of other birds.
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