![Conceptuu on Twitter: "was originally going to use the reference of a porcupine & a frigatebird to make a Therizinosaurus didn't do that since I wasn't really satisfied with most of the Conceptuu on Twitter: "was originally going to use the reference of a porcupine & a frigatebird to make a Therizinosaurus didn't do that since I wasn't really satisfied with most of the](https://pbs.twimg.com/media/FSrcPtLUcAAyM4E.jpg:large)
Conceptuu on Twitter: "was originally going to use the reference of a porcupine & a frigatebird to make a Therizinosaurus didn't do that since I wasn't really satisfied with most of the
![Is there any evidence regarding these inflatable sacs on a sauropod's neck (as shown on this Dreadnoughtus from Prehistoric Planet) or is it purely speculative? : r/Dinosaurs Is there any evidence regarding these inflatable sacs on a sauropod's neck (as shown on this Dreadnoughtus from Prehistoric Planet) or is it purely speculative? : r/Dinosaurs](https://preview.redd.it/f4skfrsut3f91.jpg?auto=webp&s=392ee655e8fb475074c42c6c08606df57b6c9d25)
Is there any evidence regarding these inflatable sacs on a sauropod's neck (as shown on this Dreadnoughtus from Prehistoric Planet) or is it purely speculative? : r/Dinosaurs
![🔥 A frigatebird, a bird, which male bird's inflatable neck bag, red is used to attract an inflatable bag for the bird of a companion. : r/NatureIsFuckingLit 🔥 A frigatebird, a bird, which male bird's inflatable neck bag, red is used to attract an inflatable bag for the bird of a companion. : r/NatureIsFuckingLit](https://external-preview.redd.it/wTBoq7wNjcMGfWTwb1G9JKYJWMCVHokZ1qkrkevTYRw.png?format=pjpg&auto=webp&s=cd4ffff3ddf2b8f981e23653a5e2d81fc0e233ce)