Image: Giantbirds
Description: Size comparison of several giant theropods from various periods of geologic time, with modern human for scale. Each grid segment = 1 square meter. Gigantoraptor erlianensis (Gigantoraptor, Oviraptoridae, Caenagnathoidea, Theropoda, Saurischia) Aepyornis maximus (Aepyornis, Aepyornithidae, Aepyornithiformes) Utahraptor ostrommaysorum (Utahraptor, Dromaeosauridae, Theropoda, Saurischia) Struthio camelus (Struthio, Struthionidae, Struthioniformes) Deinonychus antirrhopus (Deinonychus, Velociraptorinae, Dromaeosauridae, Deinonychosauria, Theropoda, Saurischia)
Title: Giantbirds
Credit: Own work
Author: Matt Martyniuk
Usage Terms: GNU Free Documentation License
License: GFDL
License Link: http://www.gnu.org/copyleft/fdl.html
Attribution Required?: Yes
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