Feathers, which are the most complex integumental structures known in the animal kingdom, without doubt required coordinated changes in numerous genes.
Wherever you look in the history of life you stumble upon overwhelming evidence for design.
One researcher argues that, based on bird studies, the huge predators may have had many more brain cells than we have supposed.
To complete the argument for prior fitness of the elements for our Privileged Species, we must deal with the availability of another essential element.
Watch how easy it is to tell a Darwinian story. If something exists and looks advantageous, it evolved.