Dinosaurs had hot blood

The dinosaurs had hot blood. This is what indicates at least the oxygen bubbles found in the bones of a tyrannosaurus.

This is indicated by at least the oxygen bubbles found in the bones of a tyrannosaurus. Phosphates or mixtures of phosphorus and oxygen have been found in bones and concentrations of isotopes 16 and 18 of oxygen are equal to those of current elephants.

Babesleak
Eusko Jaurlaritzako Industria, Merkataritza eta Turismo Saila