Brian Engh on Twitter: "The complex air sac system throughout the bodies of #birds & #dinosaurs actually leaves impressions in their bones. All the scooped-out swoopy spaces between the muscle attachments &
The first occurrence of an avian-style respiratory infection in a non-avian dinosaur | Scientific Reports
Whale Sac - Dinosaurs - Whale Sacs
Dinosaurs' Air Sacs Evolved Many Times and Let Them Take Over the World - Scientific American
PALAEONTOLOGY[online] | Article: Fossil Focus > Fossil Focus: The Archosaur Respiratory System — Or — Breathing Life into Dinosaurs
What are these sacs on this sauropods neck? From Prehistoric Planet trailer : r/Dinosaurs
Dinosaur Safari: Fact vs Fiction - Sacramento Zoo
Dreadnoughtus - Wikipedia
I've been wanting to do a sauropod for a while and the new Prehistoric Planet's take on 'air sacs' inspired me to a defining feature for my large fellows here. I based