For the past two decades, scientists
using cladistics have claimed that dromaeosaurs were nonavian ancestors of birds, representing the best examples of how ground - dwelling dinosaurs supposedly evolved into birds.
Not exact matches
Czerkas's assertion that the
use of
cladistics is «one of the biggest mistakes ever made in paleontology» is laughable.
To help figure out how species are related, scientists
use a method called
cladistics, invented by Willi Hennig in 1950.
So, if you
used something like
cladistics, you would avoid choosing feather color as a defining feature of swans, and birds in general.