Episode 187 - Migration

The Common Descent Podcast

Common Descent

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

4.8 • 764 Ratings

🗓️ 17 March 2024

⏱️ 127 minutes

🔗️ Recording | iTunes | RSS

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Summary

Among the most spectacular of animal behaviors is migration, the habit of many species to undertake massive journeys, sometimes traveling thousands of kilometers to access food or breeding grounds. This episode, we explore the incredible diversity of migratory behaviors, we examine the functions and adaptations that make migration happen, we discuss how migration is defined, and we investigate some of the tools we can use to identify migration in the distant past. In the news: giant crabs, fossil forests, early cephalopods, and mating termites. Time markers:Intro & Announcements: 00:00:00News: 00:04:40Main discussion, Part 1: 00:30:15Main discussion, Part 2: 01:26:00Patron question: 01:49:35 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/ We’re an Audible Affiliate Partner! Use this link for a 30-day free trial to Audible: https://www.audibletrial.com/CommonDescent 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, Will. Hello, David.
0:21.1	Hello, everybody, and welcome to the Common Descent podcast.
0:24.4	This is episode 187.
0:26.7	Our topic, this episode is Migration.
0:29.9	Woo!
0:30.6	We will be discussing the ins and outs of migration.
0:33.6	We'll talk about what it means, what makes it unique.
0:36.3	We'll have some fun exploring some of our favorite and most exciting examples of migration,
0:43.9	what it means for ecology and evolution, and we'll talk about how we identified in the fossil record.
0:49.0	Let's take a trip through migration.
0:50.7	It's going to be a long journey all the way to the end of the episode.
0:54.9	This is a very cool topic. I was very excited to get to dive into it. Sometimes there's an
0:59.7	episode topic and you just know from the start that you're going to get to look up a bunch
1:03.0	of cool examples of a thing. In this case, both in the modern world and in the fossil record.
1:09.4	Very cool stuff. Migration as an episode topic was also requested
1:13.6	by a whole bunch of people. Here's who those people are. Tom, Jackie, Mad Jack, hyphen, Susan,
1:21.7	Drew, Jesse, Aaron, Z, Gemfire, Greenie, Stacey, and Matthew.
1:28.3	Excellent taste, everyone.
1:29.5	Thank you, everybody.
1:30.7	This is a popular request topic.
1:32.7	The migration discussion happens after the break, which is after the news, which is after
	...

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