Michael Behe: Evolution by Devolution
An example of this devolutionary process on a showy scale? Flightless island birds, devolved from birds that could fly.
Despite Dozens of Authors, PNAS Paper Fails to Explain Bird Evolution
They reason backwards: Birds evolved, therefore some poorly understood mindless processes must have driven them to evolve.
Macroevolution by Loss: Flightless Birds Grounded by “Relaxed Selection”
Evolutionists wanting to make a big deal out of flightlessness in birds are like the merchant who lost money on every sale but tried to make it up in volume.