Tag Archives: hatch

As early as 18,000 years ago, early foragers in the montane rainforests of New Guinea preferentially collected eggs of cassowaries (Casuarius sp.) in late stages of embryonic growth and may have hatched them to rear chicks, according to an analysis of ancient eggshells from two Late Pleistocene/Early Holocene rock shelter …

Non-avian dinosaur eggs took a long time to hatch — between 3 and 6 months, according to new research on the teeth of fossilized dinosaur embryos. Herds of female titanosaurs gathered at traditional nesting grounds 80 million years ago in what is now Patagonia, Argentina. Image credit: Luis Rey / …