Dinosaur Bone Holes Hint at High Metabolism

Tiny holes associated with blood supply inside fossilized dinosaur long bone shafts suggest that dinosaurs had higher metabolic rates than present-day mammals.
Dinosaur Bone Holes Hint at High Metabolism
Close-up of foramen in the femur of Centrosaurus apertus, a ceratopsian dinosaur. Donald Henderson/Royal Tyrrell Museum
Epoch Times Staff
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<a href="https://www.theepochtimes.com/assets/uploads/2015/07/33936_web_medium.jpg"><img src="https://www.theepochtimes.com/assets/uploads/2015/07/33936_web_medium.jpg" alt="Close-up of foramen in the femur of Centrosaurus apertus, a ceratopsian dinosaur. (Donald Henderson/Royal Tyrrell Museum)" title="Close-up of foramen in the femur of Centrosaurus apertus, a ceratopsian dinosaur. (Donald Henderson/Royal Tyrrell Museum)" width="320" class="size-medium wp-image-128857"/></a>
Close-up of foramen in the femur of Centrosaurus apertus, a ceratopsian dinosaur. (Donald Henderson/Royal Tyrrell Museum)
Epoch Times Staff
Epoch Times Staff
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