Crocodilian Collab Podcast https://crocodiliancollab.podbean.com Our two hosts, Dan Carvalho (Senior Reptile Keeper at St. Augustine Alligator Farm Zoological Park) and Casey Cannon (Researcher from West Liberty University's Herpetology and Herpetoculture Lab) talk all things crocodilians and interview experts from around the world

]]> Mon, 22 Jun 2026 15:16:10 -0300 https://podbean.com/?v=5.5 en Copyright 2026 All rights reserved. Science:Nature 1440 episodic crocodiliancollab crocodiliancollab No false https://pbcdn1.podbean.com/imglogo/image-logo/22299509/resized-Picture3.jpg Crocodilian Collab Podcast https://crocodiliancollab.podbean.com 144 144 Rom Whitaker: Part 1 Rom Whitaker: Part 1 https://crocodiliancollab.podbean.com/e/rom-whitaker-part-1-whitaker-interview/ https://crocodiliancollab.podbean.com/e/rom-whitaker-part-1-whitaker-interview/#comments Mon, 22 Jun 2026 15:16:10 -0300 crocodiliancollab.podbean.com/b27a5f58-cf39-3816-a358-042e0bcbcaa4 Dan and Casey talk with herpetology and conservation legend Rom Whitaker. Rom is the founder of the  Madras Crocodile Bank Trust and Madras Snake Park. His work in conservation was instrumental in saving the Indian gharial as well as king cobras. 

]]> Dan and Casey talk with herpetology and conservation legend Rom Whitaker. Rom is the founder of the  Madras Crocodile Bank Trust and Madras Snake Park. His work in conservation was instrumental in saving the Indian gharial as well as king cobras. 

]]> crocodiliancollab false No 8153 4 full Crocodile Communication with Sonnie Flores Crocodile Communication with Sonnie Flores https://crocodiliancollab.podbean.com/e/crocodile-communication-with-sonnie-flores-communication-with-sonnie-flores/ https://crocodiliancollab.podbean.com/e/crocodile-communication-with-sonnie-flores-communication-with-sonnie-flores/#comments Thu, 07 May 2026 14:30:07 -0300 crocodiliancollab.podbean.com/25479548-2d15-301a-8e86-9324a5a94188 Dan and Casey talk to PhD Candidate Sonnie Flores about her work on saltwater crocodile acoustic communication and behaviour. 

 

REFERENCES

Sonnie's Paper Flores, S.A., Dwyer, R.G., Parsons, S., Potvin, D.A., 2026. Roars, Rumbles, and Resonance: A Systematic Review and Meta-Analysis of Crocodylian Acoustic Signals. Ecology and Evolution 16, e72494. https://doi.org/10.1002/ece3.72494

 

 

Formants and honesty in alligator acoustic signals Reber, S.A., Janisch, J., Torregrosa, K., Darlington, J., Vliet, K.A., Fitch, W.T., 2017. Formants provide honest acoustic cues to body size in American alligators. Scientific reports 7, 1–11. https://doi.org/10.1038/s41598-017-01948-1

 

Reber, S.A., Nishimura, T., Janisch, J., Robertson, M., Fitch, W.T., 2015. A Chinese alligator in heliox: formant frequencies in a crocodilian. J Exp Biol 218, 2442–2447. https://doi.org/10.1242/jeb.119552

 

 

Potential individuality in alligator bellows Jensen, T.R., Anikin, A., Osvath, M., Reber, S.A., 2024. Knowing a fellow by their bellow: acoustic individuality in the bellows of the American alligator. Animal behaviour 207, 157–167. https://doi.org/10.1016/j.anbehav.2023.11.009

 

 

Call frequency decreases as hatchlings age Vergne, A.L., Avril, A., Martin, S., Mathevon, N., 2007. Parent-offspring communication in the Nile crocodile Crocodylus niloticus: Do newborns’ calls show an individual signature? Die Naturwissenschaften 94, 49–54. https://doi.org/10.1007/s00114-006-0156-4

 

 

Sequences of courtship displays varies among species, but the elements that are displayed stay the same Garrick, L.D., Lang, J.W., 1977. Social Signals and Behaviors of Adult Alligators and Crocodiles. American zoologist 17, 225–239. https://doi.org/10.1093/icb/17.1.225

 

 

Crocodilians adjust signals due to habitat type – but evidence for this is conflicting as one paper supports this and the other does not Dinets, V., 2013. Do individual crocodilians adjust their signaling to habitat structure? Ethology, ecology & evolution 25, 174–184. https://doi.org/10.1080/03949370.2012.744358 Dinets, V., 2013. Long-Distance Signaling in Crocodylia. Copeia 2013, 517–526. https://doi.org/10.1643/CE-12-125

 

 

Behaviours differ between captive and wild American alligators Walsh, Z.C., Olson, H., Clendening, M., Rycyk, A., 2022. Social Behavior Deficiencies in Captive American Alligators (Alligator mississippiensis). Journal of Zoological and Botanical Gardens 3, 131–146. https://doi.org/10.3390/jzbg3010011

 

 

Gharial pops show differences in individual identity and context based on temporal parameters Ajji M, J., Lang, J.W., 2025. Gharial acoustic signaling: Novel underwater pops are temporally based, context-dependent, seasonally stable, male-specific, and individually distinctive. Journal of anatomy. https://doi.org/10.1111/joa.14171

 

 

Low frequency signals produced by the African dwarf crocodile Staniewicz, A., McCabe, G., Holderied, M., 2023. The low-frequency vocal repertoire of adult African dwarf crocodiles. African Journal of Herpetology 1–16. https://doi.org/10.1080/21564574.2023.2237035

]]> Dan and Casey talk to PhD Candidate Sonnie Flores about her work on saltwater crocodile acoustic communication and behaviour. 

 

REFERENCES

Sonnie's Paper
Flores, S.A., Dwyer, R.G., Parsons, S., Potvin, D.A., 2026. Roars, Rumbles, and Resonance: A
Systematic Review and Meta-Analysis of Crocodylian Acoustic Signals. Ecology and Evolution 16,
e72494. https://doi.org/10.1002/ece3.72494

 

 

Formants and honesty in alligator acoustic signals
Reber, S.A., Janisch, J., Torregrosa, K., Darlington, J., Vliet, K.A., Fitch, W.T., 2017. Formants provide
honest acoustic cues to body size in American alligators. Scientific reports 7, 1–11.
https://doi.org/10.1038/s41598-017-01948-1

 


Reber, S.A., Nishimura, T., Janisch, J., Robertson, M., Fitch, W.T., 2015. A Chinese alligator in heliox:
formant frequencies in a crocodilian. J Exp Biol 218, 2442–2447. https://doi.org/10.1242/jeb.119552

 

 

Potential individuality in alligator bellows
Jensen, T.R., Anikin, A., Osvath, M., Reber, S.A., 2024. Knowing a fellow by their bellow: acoustic
individuality in the bellows of the American alligator. Animal behaviour 207, 157–167.
https://doi.org/10.1016/j.anbehav.2023.11.009

 

 

Call frequency decreases as hatchlings age
Vergne, A.L., Avril, A., Martin, S., Mathevon, N., 2007. Parent-offspring communication in the Nile
crocodile Crocodylus niloticus: Do newborns’ calls show an individual signature? Die
Naturwissenschaften 94, 49–54. https://doi.org/10.1007/s00114-006-0156-4

 

 

Sequences of courtship displays varies among species, but the elements that are displayed stay the
same
Garrick, L.D., Lang, J.W., 1977. Social Signals and Behaviors of Adult Alligators and Crocodiles.
American zoologist 17, 225–239. https://doi.org/10.1093/icb/17.1.225

 

 

Crocodilians adjust signals due to habitat type – but evidence for this is conflicting as one paper supports this and the other does not
Dinets, V., 2013. Do individual crocodilians adjust their signaling to habitat structure? Ethology,
ecology & evolution 25, 174–184. https://doi.org/10.1080/03949370.2012.744358
Dinets, V., 2013. Long-Distance Signaling in Crocodylia. Copeia 2013, 517–526.
https://doi.org/10.1643/CE-12-125

 

 

Behaviours differ between captive and wild American alligators
Walsh, Z.C., Olson, H., Clendening, M., Rycyk, A., 2022. Social Behavior Deficiencies in Captive
American Alligators (Alligator mississippiensis). Journal of Zoological and Botanical Gardens 3,
131–146. https://doi.org/10.3390/jzbg3010011

 

 

Gharial pops show differences in individual identity and context based on temporal parameters
Ajji M, J., Lang, J.W., 2025. Gharial acoustic signaling: Novel underwater pops are temporally based,
context-dependent, seasonally stable, male-specific, and individually distinctive. Journal of anatomy.
https://doi.org/10.1111/joa.14171

 

 

Low frequency signals produced by the African dwarf crocodile
Staniewicz, A., McCabe, G., Holderied, M., 2023. The low-frequency vocal repertoire of adult African
dwarf crocodiles. African Journal of Herpetology 1–16.
https://doi.org/10.1080/21564574.2023.2237035

]]> crocodiliancollab false No 4227 3 full Crocodilian Collab- Pilot Episode Crocodilian Collab- Pilot Episode https://crocodiliancollab.podbean.com/e/copy-of-crocodilian-collab-pilot-episode/ https://crocodiliancollab.podbean.com/e/copy-of-crocodilian-collab-pilot-episode/#comments Tue, 28 Apr 2026 17:01:46 -0300 crocodiliancollab.podbean.com/f9e2e6f7-032d-3302-ac86-7dcaa191c6be Dan and Casey introduce the show with an interview with Dan Carvalho himself. We talk about his life from working at the St. Augustine Alligator Farm Zoological Park, to some adventures abroad, to his fascination with micro geckos. 

]]> Dan and Casey introduce the show with an interview with Dan Carvalho himself. We talk about his life from working at the St. Augustine Alligator Farm Zoological Park, to some adventures abroad, to his fascination with micro geckos. 

]]> crocodiliancollab false No 4287 2 full