TIL dinosaur eggs are often covered in patterns or "ornamentation." The patterns are common on Cretaceous eggs, but rare on Jurassic and Triassic eggs. Their purpose is unknown.
TIL dinosaur eggs are often covered in patterns or "ornamentation." The patterns are common on Cretaceous eggs, but rare on Jurassic and Triassic eggs. Their purpose is unknown.

en.wikipedia.org
Dinosaur egg - Wikipedia

disappointed. Why do these articles always do this?