05-35: Demystifying Molt with Dani Kaschube
The American Birding Podcast
naswick
4.7 • 632 Ratings
🗓️ 2 September 2021
⏱️ 36 minutes
🧾️ Download transcript
Summary
The time of year for messy birds is here. It’s molt season, and nearly every bird you encounter in the late summer and fall is replacing something. Even though we are familiar with molt in theory, it’s still a confusing and intimidating process for many birders in practice. Dani Kaschube is the MAPS coordinator and bird banding guru for the Institute for Bird Populations. She has taught banders the ins and outs of molt for decades and she joins us to demystify molt, or at least make our best effort to do so.
Also, Greg Neise talks to Jason Martinucci of Mendelein, Illinois about his visiting Violetear and what it's like when the rare bird circus comes to town.
Plus, female hummingbirds in the tropics that look like males to avoid being harassed.
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Transcript
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| 0:33.4 | Hello and welcome to the American Birding Podcast from the American Birding Association. I'm Nate Swick. |
| 0:38.3 | Think you can tell the difference between male and female hummingbirds? |
| 0:42.3 | Most of the time you probably can. |
| 0:44.3 | It's maybe an odd question to ask this time of year when there are so many young birds |
| 0:48.3 | that in many, perhaps most of the ABA area hummingbird species, |
| 0:53.3 | tend to resemble the female birds. |
| 0:55.2 | But that is not always the case. |
| 0:57.4 | From the journal, Current Biology, a study that looks at white-necked Jacobins. |
| 1:03.7 | It's a widespread hummingbird species in the tropics if you've birded anywhere between southern Mexico. |
| 1:08.1 | And the Amazon, you're probably familiar with the flashy blue-headed |
| 1:12.0 | males with the snowy bellies they are regulars at feeders and in gardens as with many species |
| 1:18.5 | the female white-necked jacobin i'm gonna go with jacobin tends to be more subdued but unlike a lot of |
| 1:25.3 | species all juvenile birds all young young birds, look more like |
| 1:28.2 | the males. That is the first odd thing about white-necked Jacobins. I've got to make a decision |
| 1:35.0 | on that one. The second oddity is that a not insignificant number of the female birds, up to 20%, |
| 1:42.5 | so one in five, retain that male plumage. |
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