When you get around to the buteonine raptors, you know that you are in for trouble. Looking at the "to do list" seeing that you are about to illustrate a species called Buteo polysoma will reassure you, that you should have tried to get assigned to painting tanagers in stead of raptors.
Well, I am now down to two Buteo-species lacking, but the Micrastur are lurking around the corner!
Here is my last "plate", illustrating three (or four) bolivian Buteos.