Late Cretaceous dinosaur competitive head-butting contest shows pachycephalosaurs positioning their bodies with solid bony domed heads lowered at right angles,and necks,bodies,and tails held in stiff horizontal position,to absorb the impact as they crash head-on against their opponent | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / O'Keefe, Laurie |
Bildgröße: | 3012 px × 1816 px |
Modell-Rechte: | nicht erforderlich |
Eigentums-Rechte: | nicht erforderlich |
Restrictions: |
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