Great mums, you see.
Ten nests containing up to 34 small round eggs each, approx 6-7cm (between 2 and 3 inches) in diameter have been discovered in the excavation of an area of sedimentary rock. Small footprints visible around the nests indicate that baby dinos stuck around for a while after hatching - until they had at least doubled in size, says study co-author paleontologist Robert Reisz of the University of Toronto .
And the tight clustering of the eggs indicates that the mother carefully organised them – a sign of maternal affection according to the study authors.
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