There is a world somewhere between reality and fiction. Although ignored by many, it is very real and so are those living in it. This forum is about the natural world. Here, wild animals will be heard and respected. The forum offers a glimpse into an unknown world as well as a room with a view on the present and the future. Anyone able to speak on behalf of those living in the emerald forest and the deep blue sea is invited to join.
Here are the skulls of a 2 tonne hippo (60 cm) and a 447 kg Yutyrannus (specimen ZCDM V5001, 80 cm) compared.
Something interesting to note is that even though the theropod is less than one quarter the mass of the hippo, it still has a skull that is 1/3 larger lengthwise and a good deal more robust.