May 12, 2020 Leghorn Scientific literature suggests birds are related to a group of two-legged dinosaurs known as theropods, a group that includes Tyrannosaurus rex and velociraptors. Here’s visual evidence. OK Foghorn, it’s time for a nail clipping. Share this: Click to email a link to a friend (Opens in new window) Email Click to share on Facebook (Opens in new window) Facebook Click to share on LinkedIn (Opens in new window) LinkedIn Like Loading... Related