Below the line are two images:
Marian's work seems closer to true life to me. In addition, her paintings tend to feature the birds more than the plants simply by making them a larger portion of the composition, something I appreciate by virtue of being a birder.
But look at the two images below: clearly Marian Berger creates exquisite, beautiful, accurate paintings (and resulting prints). I truly enjoy my collection.
I'iwi in Viscia by Marian Berger
Connecticut Warbler by John James Audubon