Topic summary
Hadrosaurids

Extracted from the Wikipedia article Hadrosauridae.
Hadrosaurids were facultative bipeds, with the young of some species walking mostly on two legs and the adults walking mostly on four.
Topic summary

Extracted from the Wikipedia article Hadrosauridae.
Hadrosaurids were facultative bipeds, with the young of some species walking mostly on two legs and the adults walking mostly on four.