Well, yes — cold-blooded creatures usually have/had to go dormant at night (too cold to function) and they and their eggs were/are easy pickins for any warm-blo

Well, yes — cold-blooded creatures usually have/had to go dormant at night (too cold to function) and they and their eggs were/are easy pickins for any warm-blooded mammal able to operate at full capacity during nocturnal hours.