New Evidence Emerges in Mystery of When Mammals Became Warm-Blooded
Fossil animals’ inner ear structures offer clues on when endothermy, or warm-bloodedness, evolved
Source: scientificamerican.com
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Scientists pinpoint the exact moment in evolutionary time when mammals became warm-blooded
Scientists figured out the origin of warm-bloodedness in mammals by analyzing the ears of 341 living and extinct species.
Source: livescience.com
Mammal ancestors' inner ears may reveal when warm-bloodedness arose
An abrupt shift in inner ear shape of mammal ancestors 233 million years ago, during a time of climate swings, points to evolution of warm-bloodedness.
Source: sciencenews.org
The Mystery of When Warm-Blooded Mammals Evolved May Finally Be Solved
As the first dinosaurs were finding their feet around 230 million years ago, the ancestors of modern mammals were also emerging.
Source: sciencealert.com
Mammals became warm-blooded later than thought —study
The ancestors of mammals started to become warm-blooded around 20 million years later than previously thought, researchers suggested Wednesday, after analyzing inner-ear fossils hoping to solve "one of the great unsolved mysteries of paleontology."
Source: gmanetwork.com