Image: Green River Formation Gastornis Feather

Description: Drawing of a very large feather from the Green River Formation, probably referrable to Gastornis
Title: Green River Formation Gastornis Feather
Credit: https://static.scientificamerican.com/blogs/assets/tetrapod-zoology/Image/FBM-giant-feather-revised-600-px-tiny-May-2016-Darren-Naish-Tetrapod-Zoology.jpg https://blogs.scientificamerican.com/tetrapod-zoology/lance-grande-s-the-lost-world-of-fossil-lake/ A photograph of the fossil this image is drawn from can be found at https://birds.fieldmuseum.org/media-gallery/detail/316/1466
Author: Darren Naish
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