"Oviraptor (so named because it was originally thought to be an egg predator) is now thought to have brooded its eggs, but Troodon may have displayed even more advanced behavior. The Orodromeus remnants found around the clutches were not fragments of dead juveniles, Horner says, but were instead the remains of animals delivered to the nest by a Troodon parent to feed its young. While such advanced social behavior is common in birds, it is not often associated with dinosaurs."
There are a lot of behavioral assumptions in all this that are open for dispute. Both the Mongolian and the Montana specimens included eggs, embryos, and accompanying bones that were more mature. They are classified as familial in one case, and as culinary in another. Seemingly, much is conjecture. The reason any of this is important here, is the apparent scientific corroboration of the 1993 and the 1923 discoveries. The outcome is that the kind of egg associated with Protoceratops, or whether Protoceratops laid eggs at all, is open to question.
The accuracy of the drawing accompanying the web page What Hatched This Spring, based on reports and artist's drawings of the 1923 results, is similarly suspect. Neither Horner, Andrews, Norell, nor this author were around when these magnificent creatures were. The drawing could have been quietly pulled but, here also, public correction of an apparent mistaken identity is appropriate.
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