Within the various fossilized nest in
Montana, tiny hatchlings of 35 centimeters, juveniles of
1-meter in length and fragments of others that may have been
nearly 2-meters long were found. This disparity in size
suggested that Maiasaur babies and juveniles either grew
rapidly or stayed in the nest a very long time. This
outstanding discovery not only provided the first baby
dinosaurs ever found in a nest but also fueled the flame of
the dinosaur warm-bloodedness controversy.
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