Dinosaur dental #fossils reveal bird-like parental care bonds https://phys.org/news/2026-05-dinosaur-dental-fossils-reveal-bird.html "Baby #dinosaurs were likely fed more nutritious food than their adult counterparts... Paleontologists uncovered this by studying wear on the fossilized teeth of #Maiasaura peeblesorum, a duck-billed dinosaur that lived during the Late #Cretaceous... The urge for a bird to feed a youngster is a very old behavior... it probably goes much further than the origin of #birds, perhaps to the origin of dinosaurs."