Troodontid nest

About 80 million years ago in the Gobi Desert, sixteen dinosaurs hatched in this nest. One of the hatchlings died before it left the nest. Bad news for the hatchling, but good news for scientists. This evidence tells us that this nest once contained troodontid dinosaurs.

Image credits: main image, © AMNH; quote, Roy Chapman Andrews courtesy of AMNH; quote, Amy Davidson courtesy of Discovery Channel Online.