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warm-bloodedness

  • a word derived from warm-blooded.
    warm-blooded
    adjective
    Also designating or pertaining to animals, as mammals and birds, whose blood ranges in temperatures from about 98° to 112°F (37° to 44°C) and remains relatively constant, irrespective of the temperature of the surrounding medium; homoiothermal.

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These included specialized teeth, changes in the palate and diaphragm that supported more efficient breathing and metabolism, and likely features such as warm-bloodedness and fur.

From Science Daily ● Jan. 19, 2026

“I was surprised that the inner ear could help us to assess body temperature and warm-bloodedness so well,” David says.

From Scientific American ● Jul. 20, 2022

But Straka agrees that ear canal bones become more prevalent in future endothermy studies, for example in the debate over dinosaur warm-bloodedness that has lasted decades.

From Science Magazine ● Jul. 20, 2022

That said, the study also notes that warm-bloodedness comes in different flavors compared to how we think of it today.

From Salon ● May 29, 2022

If it had not been for conditions that forced certain reptiles to develop warm-bloodedness, we would have no birds or mammals to-day, for as you doubtless know, birds and mammals both were evolved from reptiles.”

From Unexplored! by Allen Chaffee

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