>>260999There was one study about oviraptor nesting behaviour and it estimated that the relationship of the clutch size and the oviraptors' body size was the one, that is typical for species in which males took care of the offspring. (they have the largest clutches) It's not solid rock proof, but is believable enough. So I guess, some dinos were single fathers.
But I don't think all of them were like that, only certain species