Colorful Birds Can Also Belt Tunes
Science Quickly
Scientific American
4.4 • 1.4K Ratings
🗓️ 30 July 2014
⏱️ 2 minutes
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| 0:00.0 | This is |
| 0:02.0 | This is Scientific Americans 60 Second Science. |
| 0:05.0 | I'm Karen Hoffman. |
| 0:06.0 | This will just take a minute. |
| 0:08.0 | When you think of birds, you probably imagine their dazzling plumage or their beautiful songs. |
| 0:12.0 | But since the days of Darwin, their or eye candy that sings only one note. Now a study shows that some songbirds are in fact show-offs in sight and sound. |
| 0:26.7 | The work is in the proceedings of the Royal Society B. |
| 0:29.4 | Bright feathers and complex songs are different ways to attract a mate. |
| 0:33.0 | The more flamboyant the display, the more likely a bird will get noticed. |
| 0:36.5 | But these exaggerated calling cards take a lot of energy to produce, |
| 0:40.0 | which is why scientists assume that birds would have to choose between melody or looks. |
| 0:44.0 | But an exhaustive survey of the tanagers, a family of songbirds from Central and South America, |
| 0:48.8 | shows no sign of a trade-off. Although some tanager species do emphasize oration over a tire, like the aptly named |
| 0:55.6 | drab hemispingus, some like the mountain tanager are both dashing and melodious, while the white-bellied seed eater |
| 1:07.1 | is fine with looking and sounding rather dull. |
| 1:09.7 | The different species likely experience different selective pressures |
| 1:16.1 | leading to their varied strategies. Whatever it takes to catch the eye and or ear of a potential mate. |
| 1:21.8 | Thanks for the minute. For Scientific Americans, 60 and or ear of a potential mate. |
| 1:22.5 | Thanks for the minute. |
| 1:23.5 | For Scientific Americans 60 Second Science, |
| 1:25.8 | I'm Karen Hopkins. |
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