One of the many traits between crocodiles and birds is that they provide extensive care of thOne of the many traits between crocodiles and birds is that they provide extensive care of their youngeir young

Others thing they share is that, both animals lay reproduce by laying of eggs.

It should be understood that, both reptiles and aves reproduce by laying of eggs, and that's another trait that they have in common.

Another one is that, there are some of the birds that are carnivorous in nature, just like the crocodile.