Terror Birds, Phorusrhacids Biography 1 Buffetaut, Eric. “Who Discovered the Phorusrhacidae? An Episode in the History of Avian Palaeontology.” Paleornithological Research 2013, Laboratoire De Géologie De l’Ecole Normale Supérieure, Paris, France; , verlag.nhm- wien.ac.at/buecher/2013_SAPE_Proceedings/10_Buffetaut.pdf. 2 DeGrange, Federico J. “A New Mesembriornithinae (Aves, Phorusrhacidae) Provides New Insights into the Phylogeny and Sensory Capabilities of Terror Birds.” Taylor & Francis, 20 Mar. 2015, www.tandfonline.com/doi/abs/10.1080/02724634.2014.912656. 3 Degrange FJ, Tambussi CP, Moreno K, Witmer LM, Wroe S (2010) Mechanical Analysis of Feeding Behavior in the Extinct “Terror Bird” Andalgalornis steulleti (Gruiformes: Phorusrhacidae). PLOS ONE 5(8): e11856. https://doi.org/10.1371/journal.pone.0011856 4 Degrange, Federico J. “Hind Limb Morphometry of Terror Birds (Aves, Cariamiformes, Phorusrhacidae): Functional Implications for Substrate Preferences and Locomotor Lifestyle.” Cambridge Core, Royal Society of Edinburgh Scotland Foundation, 16 Jan. 2017, www.cambridge.org/core/journals/earth-and- environmental-science-transactions-of-royal-society-of-edinburgh/article/hind- limb-morphometry-of-terror-birds-aves-cariamiformes-phorusrhacidae- functional-implications-for-substrate-preferences-and-locomotor- lifestyle/5221E54C5560433ED1A19A53B0526850/core-reader#. Terror Birds, Phorusrhacids 5 Phorusrhacidae Explained, everything.explained.today/Phorusrhacidae/. “Evolution and the Origin of Flightlessness in Birds.” Internal Biology, 10 May 2017, www.biology.lu.se/internal/event/evolution-and-the-origin-of-flightlessness-in- birds. 6 Pepper, Darren. Terror Birds of the Phorusrhacidae, www.prehistoric- wildlife.com/articles/terror-birds-of-the-phorusrhacidae.html. 7 Strauss, Bob. “Terror Bird Facts.” ThoughtCo, ThoughtCo, 1 Feb. 2019, www.thoughtco.com/terror-bird-phorusrhacos-1093597. 8 “Terror Bird - Facts and Pictures.” Dinosaurs, 5 Oct. 2017, www.newdinosaurs.com/terror- bird/. 9 “The Origin and Evolution of Birds.” Google Books, books.google.com/books?hl=en&lr=&id=8QRKV7eSqmIC&oi=fnd&pg=PP14& dq=origin of flightlessness in birds&ots=frV7iKiGEm&sig=sTI0lNIcr4LYAM5sYgZoDEC- Qns#v=onepage&q=origin of flightlessness in birds&f=false. .