2/4: Koala: A Natural History and an Uncertain Future by Danielle Clode (Author)
The John Batchelor Show
John Batchelor
4.5 • 2.8K Ratings
🗓️ 5 September 2023
⏱️ 9 minutes
🧾️ Download transcript
Summary
https://www.amazon.com/Koala-Natural-History-Uncertain-Future/dp/1324036834
Koalas regularly appeared in Australian biologist Danielle Clode’s backyard, but it was only when a bushfire threatened that she truly paid them attention. She soon realized how much she had to learn about these complex and mysterious animals.
In vivid, descriptive prose, Clode embarks on a delightful and surprising journey through evolutionary biology, natural history, and ecology to understand where these enigmatic animals came from and what their future may hold. She begins her search with the fossils of ancient giant koalas, delving into why the modern koala has become the lone survivor of a once-diverse family of uniquely Australian marsupials.
Koala investigates the remarkable physiology of these charismatic creatures. Born the size of tiny “jellybeans,” joeys face an uphill battle, from crawling into their mother’s pouch to being weaned onto a toxic diet of gum-tree leaves, the koalas’ single source of food.
Clode explores the complex relationship and unexpected connections between this endearing species and humans. She explains how koalas are simultaneously threatened with extinction in some areas due to disease, climate change, and increasing wildfires, while overpopulating forests in other parts of the country.
Photo:
1958 Brisbane
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Transcript
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| 0:00.0 | In a land not so far far away, the three bears were treating themselves. |
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| 0:30.0 | This is CBS Eye on the World, I'm John Batsworth, Professor Daniel Claude, |
| 0:38.0 | her new book is Koala, a natural history and an uncertain future. |
| 0:42.0 | This is a marsupial, and there are many different kinds of marsupials. |
| 0:46.0 | There's a family tree, Koala is all by itself. |
| 0:49.0 | It's phylogenetically sterile. |
| 0:52.0 | See, I learned it, Professor, what does that mean? |
| 0:55.0 | That's an interesting phrase. |
| 0:57.0 | I mean, the idea is that they're the last of their line. |
| 1:02.0 | So, a little bit like humans, we used to have a whole heap of other relatives in the Homo family, |
| 1:09.0 | or the Homo group of species, but we're the last ones left, |
| 1:13.0 | you know, in the Andertals have died out, lots of other Homo species have died out as well. |
| 1:20.0 | And Koala's are in the same camp, so they had lots of other cousins around them at one point. |
| 1:26.0 | But now there's only one species left, so it's a sort of the end of the line for them. |
| 1:31.0 | Once upon a time. |
| 1:33.0 | So go ahead. |
| 1:35.0 | Oh, no, unless we happen to speciate and split into two, I don't know how that might happen. |
... |
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