Episode 129 - Rhinos

The Common Descent Podcast

Common Descent

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

4.8 • 764 Ratings

🗓️ 26 December 2021

⏱️ 143 minutes

🔗️ Recording | iTunes | RSS

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Summary

Today, rhinos are famous for their large size and impressive horns (and their distressing conservation status, sadly), but modern rhinos are only a small sample of what rhinos have been over time. Thanks to a surprisingly good rhino fossil record, we have a pretty good picture of how these animals got started and of the surprising forms they’ve taken since, from horse-like runners to hippo-shaped waders to gargantuan behemoths. This episode, we discuss rhinos as we know them, rhinos when they were weird, and a few rhino-y things that aren’t rhinos at all. In the news: ancient croc hunting, dinosaur colors, shrinking orangutans, and ammonite soft tissue. Time markers:Intro & Announcements: 00:00:00News: 00:04:30Main discussion, Part 1: 00:35:30Main discussion, Part 2: 01:13:30Patron question: 02:12:00 Check out our blog for bonus info and pictures:http://commondescentpodcast.wordpress.com/ Join us on Patreon to support the podcast and enjoy bonus content! https://www.patreon.com/commondescentpodcast Or make a one-time donation via PayPal: https://tinyurl.com/4c68u4hp Find merch at the Common Descent Store! http://zazzle.com/common_descent Follow and Support us on: Twitter: https://twitter.com/CommonDescentPCFacebook: https://www.facebook.com/commondescentpodcastInstagram: @commondescentpodcast YouTube: https://www.youtube.com/channel/UCePRXHEnZmTGum2r1l2mduwPodBean: https://commondescentpodcast.podbean.com/ iTunes: https://itunes.apple.com/us/podcast/the-common-descent-podcast/id1207586509?mt=2 You can email us at commondescentpodcast(at)gmail.comOr send us physical mail at:The Common Descent Podcast1735 W State of Franklin Rd. Ste 5 #165Johnson City, TN 37604 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 3.0http://creativecommons.org/licenses/by/3.0/

Transcript

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0:00.0	You're listening to the Common Descent Podcast.
0:18.8	Hello, Will. Hello, David.
0:29.5	Hello, listeners, and welcome to episode 129 of the Common Descent podcast, the last episode of the year 2021.
0:34.2	To finish off the year, this episode, we are talking about rhinos.
0:40.9	Rhinos, of course, the iconic, charismatic, famous group of mammals that we've gone 128 episodes without talking very much about.
0:43.8	Notariously, not a fan of spiders.
0:45.9	So that's true.
0:47.3	Real, real enmity in there.
0:50.9	We are going to talk about rhinos today, which is not a lot of rhinos,
0:55.2	and fewer, fewer with all the passing time, and the extensive evolutionary history and
1:02.4	really impressive fossil record of rhinos. We'll talk about rhinos through time, all the
1:08.5	various forms that rhinos have taken. Spoilers, a lot of them didn't look like rhinos through time, all the various forms that rhinos have taken. Spoilers, they, a lot of them
1:13.6	didn't look like rhinos. Yeah. It's been a fascinating group over time. And we will also take some
1:20.4	time to talk a little bit about a few of the things that aren't rhinos, but that you might
1:26.6	easily mistake for rhinos.
1:28.5	Well, that did their darndest.
1:29.7	Some of the convergence, some of the impostors, the flatterers.
1:35.1	Actually, many of them came before rhinos, as we know them.
1:37.4	So, yeah, we will be talking about rhinos and all the things in this episode, as usual,
1:43.6	because they were requested.
1:45.1	In particular, this episode is sort of a combination of answering a bunch of requests.
1:51.1	We got a bunch of requests for rhinos.
	...

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