Is the casque bigger than the bite?

[kinyonga]

http://www.ncbi.nlm.nih.gov/pubmed/19230632

 

[JaniP]

Very interesting!

 

[Decadancin]

Could be other factors here that are not considered, but still an interesting idea . Larger head with larger muscle mass would be kinda obvious, but I'm more interested in what makes the two groups so different. Oh, that Darwin .