4.6 • 5.3K Ratings
🗓️ 2 April 2025
⏱️ 98 minutes
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0:00.0 | Hey folks, welcome to the Dark Horse podcast live stream number 270. |
0:10.4 | Indeed. |
0:10.9 | I'm Dr. Brett Weinstein. |
0:12.1 | You are Dr. Heather Heying. |
0:13.3 | It is, well, spring is cooking along. |
0:16.2 | And I have to say, I love it. |
0:18.1 | It is cooking along. |
0:19.1 | It is good stuff. |
0:20.2 | It's wonderful. |
0:21.3 | We have the return of the Rufus hummingbirds. The Rufus hummingbirds, which have the craziest |
0:28.1 | vocalization, the most unlikely given a tiny little bird like that. |
0:35.8 | Well, this is the thing. It just seems way out of |
0:38.8 | scale for given what we know about the energy expenditures of hummingbirds already. There are |
0:44.5 | tiny little birds that are doing this like figure eight thing with their wings to stay |
0:51.4 | along. Uniquely, I think no other bird does that. I think no other bird does that. |
0:55.2 | We had a student, Wes, who did a study of hovering, did a literature review of hovering |
1:01.0 | in other species of birds. |
1:01.9 | And there are some other birds that do some hovering, but I think no one else manages to do |
1:05.7 | this figure eight thing with their wings. |
1:07.9 | But anyway, it's super expensive. |
1:09.1 | They have to be sucking down nectar all day |
1:11.4 | long. It's amazing they're up here at all. And the Rufus is a migrant. He comes back. He, she, |
... |
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