English: Size comparison of the extinct bird Sylviornis compared to a human. Silhouette is based on figure from the paper "Osteology Supports a Stem-Galliform Affinity for the Giant Extinct Flightless Bird Sylviornis neocaledoniae (Sylviornithidae, Galloanseres)" published in PLoS ONE in 2016 https://journals.plos.org/plosone/article?id=10.1371/journal.pone.0150871, released under a Creative Commons Attribution 2.5 Generic license
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