![Male magnificent frigatebirds have a red inflatable throat pouch called a gular sac. During the breeding season, they inflate their large, red, gular sacs as a mating display. Their inflated sacs can Male magnificent frigatebirds have a red inflatable throat pouch called a gular sac. During the breeding season, they inflate their large, red, gular sacs as a mating display. Their inflated sacs can](https://preview.redd.it/male-magnificent-frigatebirds-have-a-red-inflatable-throat-v0-0ym00ush1djc1.jpeg?auto=webp&s=aef735e5536deaa51bfead30a97ed05e275c2cbb)
Male magnificent frigatebirds have a red inflatable throat pouch called a gular sac. During the breeding season, they inflate their large, red, gular sacs as a mating display. Their inflated sacs can
![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
![Frigate Birds: Characteristics, Behaviour, Flying and Courting | Sea Life, Islands and Oceania — Facts and Details Frigate Birds: Characteristics, Behaviour, Flying and Courting | Sea Life, Islands and Oceania — Facts and Details](https://ioa.factsanddetails.com/archives/001/202305/large-efca4ad36bf30e75.jpg)
Frigate Birds: Characteristics, Behaviour, Flying and Courting | Sea Life, Islands and Oceania — Facts and Details
![Nat Geo WILD on X: "To attract mates, male frigate bird inflate extravagant throat sacs and call out for love. #Galapagos https://t.co/c5d7z4nsOF" / X Nat Geo WILD on X: "To attract mates, male frigate bird inflate extravagant throat sacs and call out for love. #Galapagos https://t.co/c5d7z4nsOF" / X](https://pbs.twimg.com/media/CjL1RauUkAAHYiy.jpg)