The evolution of insect-eating birds may have spurred rapid changes in the flight ability of ancient cicadas, according to ...

Researchers may have just found the answer: Unlike birds, the evolution of bats' wings and legs is tightly coupled, which may have prevented them from filling as many ecological niches as birds.

Only later might their arms have evolved into wings they could push up and down, transforming them from gliders to true powered fliers. In short, the evolution of feathers would have happened ...

Moreover, she adds, the origin of wings is not the only facet of their evolution that’s left unsettled. Hand in hand with the inquiry into wings’ evolutionary origins is a lively discussion about ...

Understanding these genetic interactions is crucial for unraveling how morphological novelties like proto-feathers emerged ...

Or the fly has an extra set of wings -- or no wings at all. The genes containing developmental instructions for the body plan are known as homeobox-containing genes. The DNA code in homeobox genes ...

But the creature also had wings and bore feathers -- certainly birdlike traits. Despite the increasingly clear picture of the evolution of birds from theropod dinosaurs that has emerged ...

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