image: Dinosaurs evolved higher metabolism as they decreased in size to give rise to warm-blooded birds.. This material relates to a paper that appeared in the 1 Jan. 2020, issue of Science Advances, published by AAAS. The paper, by E.L. Rezende at Pontificia Universidad Católica de Chile in Santiago, Chile, and colleagues was titled, " Shrinking dinosaurs and the evolution of endothermy in birds." view more
Credit: [Credit: Mauricio Alvarez]