Portland Audubon Society Staff Audubon the man was hailed in his time as a pioneer, a visionary and a gifted artist as he set out to paint every bird in North America. But that’s only half the story, according to Stuart Wells, executive director of the Portland Audubon chapter. “What's not as commonly known is that he was also a slave trader and was staunchly against any abolitionist movements,” Wells said. “He dug up Native American graves and sold their skulls to folks that were trying to show that there was a difference in the skull structure of Indigenous people...