Episode 194 - Alligators and Caimans

The Common Descent Podcast

Common Descent

Science, Education, Earth Sciences, Natural Sciences, Science:natural Sciences

4.8 • 764 Ratings

🗓️ 23 June 2024

⏱️ 148 minutes

🔗️ Recording | iTunes | RSS

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Summary

Happy Croc Month! Alligators and caimans are the living members of the family Alligatoridae. In this episode, we explore how the gator lineage differs from other crocs, and we’ll dive into the fossil record of the extended gator family tree, a history that includes a diversity of species and some of the largest crocodilians to ever live. In the news: Australian pterosaurs, mega-geese, Neanderthal art, and social ants. Time markers:Intro & Announcements: 00:00:00News: 00:06:45Main discussion, Part 1: 00:37:55Main discussion, Part 2: 01:12:45Patron question: 02:19:50 Check out our website for this episode’s blog post and more: http://commondescentpodcast.com/ Join us on Patreon to support the podcast and enjoy bonus content: https://www.patreon.com/commondescentpodcast Got a topic you want to hear about? Submit your episode request here: https://commondescentpodcast.com/request-a-topic/ Lots more ways to connect with us: https://linktr.ee/common_descent The Intro and Outro music is “On the Origin of Species” by Protodome. More music like this at http://ocremix.org Musical Interludes are "Professor Umlaut" by Kevin MacLeod (incompetech.com). Licensed under Creative Commons: By Attribution 3.0 http://creativecommons.org/licenses/by/3.0

Transcript

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0:00.0	You're listening to the Common Descent Podcast.
0:19.0	Hello, David.
0:20.1	Happy Crockmonth, Will.
0:21.6	Happy Crockmonth and happy Crockmunt listeners.
0:24.7	Welcome to episode 194-194 of the Commonestant podcast.
0:29.9	This episode, we are discussing Alligators and Cajmonds.
0:33.1	Hey, Crockmuth.
0:34.0	Crocmon!
0:34.5	This seems like a fitting topic.
0:36.3	Absolutely.
0:37.3	Alligators and Cajuns make up one of the two main lineages of crocodilians alive today.
0:42.7	They are half kind of.
0:44.4	Yes.
0:44.9	Modern crocodilians.
0:45.6	Indeed.
0:46.8	And their history goes back a long way, all the way back to the Cretaceous.
0:51.5	And they include today a good number of crocodilians,
0:55.4	but have included some of the most diverse and bizarre and notable crocodilians that are famous
1:02.2	from Earth's history. So we'll be discussing those going over what makes an alligator and a
1:07.9	Cayman separate from crocodiles. How do we distinguish them?
1:11.5	What's the diversity day, which we can go through?
1:13.3	Because there's only a bit more than a handful.
	...

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