Dana J. Rashid; et al. (2018). Avian tail ontogeny, pygostyle formation, and interpretation of juvenile Mesozoic specimens. Scientific Reports8. Article number: 9014 (2018). doi: https://doi.org/10.1038/s41598-018-27336-x
Piotr Bajdek & Tomasz Sulej (2018). Hypothesis: Avian flight originated in arboreal archosaurs gliding on membranous wings. PeerJ Preprints6:e27213v1. doi: https://doi.org/10.7287/peerj.preprints.27213v1
Ashley M. Heers, Jeffery W. Rankin and John R. Hutchinson (2018). Building a Bird: Musculoskeletal Modeling and Simulation of Wing-Assisted Incline Running During Avian Ontogeny. Frontiers in Bioengineering and Biotechnology6:140. doi: https://doi.org/10.3389/fbioe.2018.00140
Francisco José Serrano; et al. (2019). The effect of long-term atmospheric changes on the macroevolution of birds. Gondwana Research65: 86-96. doi: https://doi.org/10.1016/j.gr.2018.09.002