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Size and Scale

Dinosaur and Marine Animal- Size comparison
Over 400 iconic animals, dinosaurs and marine animals featured are featured in this animated size comparison. See how small a diver would be swimming next to a Blue whale or a Mosasaurus?


New Size Estimates for Large Ocean Animals (Infographic)

See how humans size up to some of the largest ocean animals in this infographic that estimates 25 of the largest ocean species. 


Prehistoric Sea Monster Pictures - National Geographic

Millions of years ago, prehistoric sea creatures swam Earth's waters. This image gallery offers a glimpse at what these aquatic animals may have looked like.

Return to Milstein Science Series: Prehistoric Ocean Dwellers