Here’s how hefty dinosaurs sat on their eggs without crushing them
Sitting in the center of a ring of eggs kept dinos’ weight off — and warmth near — the eggs
![](https://i0.wp.com/www.sciencenews.org/wp-content/uploads/2018/05/051518_CG_dino-egg_feat.jpg?fit=860%2C460&ssl=1)
EGG SITTERS Small species of oviraptorosaurs (background illustration) — dinosaurs that include birds’ ancestors — sat on their eggs, but larger species (foreground) sat in the eggless center of the clutch so as not to crush the eggs.
Masato Hattori, K. Tanaka et al/Biology Letters 2018