Title: Archosaurian rivalry
Depicted animals: Avisaurus archibaldi (left) and Brachychampsa montana (right).
Time and place: Late Maastricthian, North America
Formation: Hell Creek
Media: Pencils (2B and 5B)
This drawing is my entry for the current Hell Creek's Art Challenge [link]
References: Both of the depicted archosaurs are based on skeletal drawings by Scott Hartman.