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Rhythmic Hyobranchial Behaviors in Tetrapods
Elizabeth L. Brainerd, University of Massachusetts Amherst

This page contains video clips of buccal pumping, buccal oscillation, gular flutter and gular pumping in amphibians and reptiles. These clips were collected as part of a presentation made at the 2001 Society of Vertebrate Paleontology meeting in Bozeman Montana (abstract available). This work has been the subject of a Scientific American online article entitled "Breathing Life into Dinosaurs."

Click on a thumbnail image to view the corresponding video clip.
(You will need QuickTime to view these videos.)




Frog
Rana pipiens




Buccal Pump and
Buccal Oscillation











Tiger Salamander
Ambystoma tigrinum




Buccal Oscillation










Tiger Salamander
Ambystoma tigrinum




Buccal Oscillation,
X-Ray











Leopard Gecko
Eublepharis macularius




Buccal Oscillation,
Lateral View










Leopard Gecko
Eublepharis macularius




Buccal Oscillation,
Frontal View











Box Turtle
Terrapene carolina




Buccal Oscillation










Box Turtle
Terrapene carolina




Buccal Oscillation,
X-Ray











Big-headed Turtle
Platysternon megacephalum




Buccal Oscillation,
X-Ray











American Alligator
Alligator alligator




Buccal Oscillation,
Zoomed-Out











American Alligator
Alligator alligator




Buccal Oscillation,
Close-Up











American Alligator
Alligator alligator




Gular Flutter










American Alligator
Alligator alligator




Gular Flutter,
X-Ray











Savannah Monitor Lizard
Varanus exanthematicus




Gular Pump, X-Ray
with artificial breathing sounds




















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Functional Morphology & Biomechanics Laboratory
Ecology & Evolutionary Biology - Brown University

Comments, suggestions to Elizabeth Brainerd
Web site designed by Tom Hoogendyk