In DepthPaleontology

Dinosaur metabolism neither hot nor cold, but just right

See allHide authors and affiliations

Science  13 Jun 2014:
Vol. 344, Issue 6189, pp. 1216-1217
DOI: 10.1126/science.344.6189.1216

You are currently viewing the summary.

View Full Text

Log in to view the full text

Log in through your institution

Log in through your institution


Paleontologists have struggled for 50 years to determine whether dinosaurs were cold-blooded like today's reptiles or warm-blooded like most modern mammals and birds. A study on page 1268 examines the growth and metabolic rates of nearly 400 living and extinct animals, and concludes that neither was right. Instead, dinosaurs had an in-between metabolism.