To Beta or Not to Beta
BirdNote Daily
BirdNote
4.8 • 1.3K Ratings
🗓️ 3 March 2023
⏱️ 2 minutes
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| 0:00.0 | This is Bird Note. |
| 0:03.5 | In many bird species, the males sort themselves into higher and lower-ranking birds, known |
| 0:09.1 | as alpha males and beta males. |
| 0:11.8 | It may seem like beta males always get the short end of the stick, but could there be |
| 0:16.7 | advantages to being second? |
| 0:20.0 | Male-lanced-tailed mannequins are known to pair up one alpha and one beta, and perform |
| 0:25.2 | choreographed courtship displays for females. |
| 0:31.5 | This is called cooperative courtship, when the alpha and beta, who are not closely related, |
| 0:36.9 | work together to attract the female. |
| 0:39.4 | They even practice beforehand. |
| 0:44.7 | The alpha always gets the girl, so what does the beta get? |
| 0:50.0 | A dedicated wingman gains skills in impressing potential mates that may come in handy once |
| 0:57.4 | he becomes an alpha. |
| 0:59.5 | However, not all males serve as betas before attaining alpha status. |
| 1:05.3 | Males that go through beta boot camp have more success at the start of their alpha tenure, |
| 1:10.1 | thanks to their age and experience, but they don't retain their alpha status longer |
| 1:15.0 | than other alphas. |
| 1:16.7 | And due to aging of these older alphas, opting in or out of beta training leads to roughly |
| 1:21.7 | equal reproductive success across the male's lifetime. |
| 1:30.1 | So to beta or not to beta, for Lanced-tailed mannequins, it remains the age-old question. |
| 1:38.9 | For bird note, I'm Michael Stein. |
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