> Lem extrapolated that from dinosaurs (although I think it showed a weak grasp of natural history because for dinosaurs size was not correlated with their exti

> Lem extrapolated that from dinosaurs (although I think it showed a weak grasp of natural history because for dinosaurs size was not correlated with their extinction) Size was a contributing factor. That's why maniraptorans managed to survive (and evolved into birds). Also, did Lem really state or imply dinosaurs died out due to being too big?