{"id":7175,"date":"2014-06-20T14:18:09","date_gmt":"2014-06-20T14:18:09","guid":{"rendered":"https:\/\/www.allaboutbirds.org\/news\/?p=7175"},"modified":"2023-07-21T19:17:27","modified_gmt":"2023-07-21T23:17:27","slug":"maybe-birds-can-have-it-all-dazzling-colors-and-pretty-songs-too","status":"publish","type":"post","link":"https:\/\/www.allaboutbirds.org\/news\/maybe-birds-can-have-it-all-dazzling-colors-and-pretty-songs-too\/","title":{"rendered":"Maybe Birds Can Have It All:  Dazzling Colors and Pretty Songs, Too"},"content":{"rendered":"\n<figure class=\"wp-block-image alignright size-full featured\"><img loading=\"lazy\" decoding=\"async\" width=\"600\" height=\"266\" src=\"https:\/\/www.allaboutbirds.org\/news\/wp-content\/uploads\/2014\/06\/TanagerBanner1_6001.jpg\" alt=\"tanager photos colorful birds\" class=\"wp-image-10246\" srcset=\"https:\/\/www.allaboutbirds.org\/news\/wp-content\/uploads\/2014\/06\/TanagerBanner1_6001.jpg 600w, https:\/\/www.allaboutbirds.org\/news\/wp-content\/uploads\/2014\/06\/TanagerBanner1_6001-480x213.jpg 480w\" sizes=\"auto, (max-width: 600px) 100vw, 600px\" \/><figcaption class=\"wp-element-caption\"><em>Top images via <a href=\"https:\/\/www.flickr.com\/groups\/neobirds\/\">Neotropical Birds<\/a>. C<\/em>lockwise from upper left: Golden Tanager by <a href=\"https:\/\/flic.kr\/p\/kyz6LU\">Peter W. Wendelken<\/a>, Swallow Tanager by <a href=\"https:\/\/flic.kr\/p\/hMKK61\">Frank Shufelt<\/a>, Blue-winged Mountain-Tanager by <a href=\"https:\/\/flic.kr\/p\/7kEfWs\">Keith Bowers<\/a>, Red-necked Tanager by <a href=\"https:\/\/flic.kr\/p\/fLnkCY\">Vivek Tiwari<\/a>, Beryl-spangled Tanager by <a href=\"https:\/\/flic.kr\/p\/erWor1\">Priscilla Burcher<\/a>.<\/figcaption><\/figure>\n\n\n\n<p>A study of one of the world\u2019s largest and most colorful bird families has dispelled a long-held notion, first proposed by Charles Darwin, that animals are limited in their options to evolve showiness. The study\u2014the largest of its kind yet attempted\u2014was <a href=\"http:\/\/rspb.royalsocietypublishing.org\/content\/281\/1788\/20140967.abstract\">published today in the <em>Proceedings of the Royal Society B<\/em><\/a>.<\/p>\n\n\n\n<div class=\"wp-block-group sidebar-alignright sidebar-space order-bottom\"><!--HubSpot Call-to-Action Code --><span class=\"hs-cta-wrapper\" id=\"hs-cta-wrapper-a8fe3c9a-217b-40fd-b1ff-2bb76ebe2cf3\"><span class=\"hs-cta-node hs-cta-a8fe3c9a-217b-40fd-b1ff-2bb76ebe2cf3\" id=\"hs-cta-a8fe3c9a-217b-40fd-b1ff-2bb76ebe2cf3\"><!--[if lte IE 8]><div id=\"hs-cta-ie-element\"><\/div><![endif]--><a href=\"http:\/\/cta-redirect.hubspot.com\/cta\/redirect\/95627\/a8fe3c9a-217b-40fd-b1ff-2bb76ebe2cf3\" ><img decoding=\"async\" class=\"hs-cta-img\" id=\"hs-cta-img-a8fe3c9a-217b-40fd-b1ff-2bb76ebe2cf3\" style=\"border-width:0px;\" src=\"https:\/\/no-cache.hubspot.com\/cta\/default\/95627\/a8fe3c9a-217b-40fd-b1ff-2bb76ebe2cf3.png\"  alt=\"New self-paced course: Learn How to Identify Bird Songs, Click to Learn More\" loading=\"lazy\" \/><\/a><\/span><script charset=\"utf-8\" src=\"https:\/\/js.hscta.net\/cta\/current.js\"><\/script><script type=\"text\/javascript\"> hbspt.cta.load(95627, 'a8fe3c9a-217b-40fd-b1ff-2bb76ebe2cf3', {}); <\/script><\/span><!-- end HubSpot Call-to-Action Code -->\r\n<!--<span class=\"hs-cta-wrapper\" id=\"hs-cta-wrapper-394b2cc2-4447-4677-b18b-d2f2de5b57cd\">\r\n    <span class=\"hs-cta-node hs-cta-394b2cc2-4447-4677-b18b-d2f2de5b57cd\" id=\"hs-cta-394b2cc2-4447-4677-b18b-d2f2de5b57cd\">-->\r\n        <!--[if lte IE 8]><div id=\"hs-cta-ie-element\"><\/div><![endif]-->\r\n        <!--<a href=\"http:\/\/cta-redirect.hubspot.com\/cta\/redirect\/95627\/394b2cc2-4447-4677-b18b-d2f2de5b57cd\"  target=\"_blank\" ><img decoding=\"async\" class=\"hs-cta-img\" id=\"hs-cta-img-394b2cc2-4447-4677-b18b-d2f2de5b57cd\" style=\"border-width:0px;\" src=\"https:\/\/no-cache.hubspot.com\/cta\/default\/95627\/394b2cc2-4447-4677-b18b-d2f2de5b57cd.png\"  alt=\"Join the Cornell Lab\" loading=\"lazy\" \/><\/a>\r\n    <\/span>\r\n    <script charset=\"utf-8\" src=\"https:\/\/js.hscta.net\/cta\/current.js\"><\/script>\r\n    <script type=\"text\/javascript\">\r\n        hbspt.cta.load(95627, '394b2cc2-4447-4677-b18b-d2f2de5b57cd', {});\r\n    <\/script>\r\n<\/span>-->\r\n<!-- end HubSpot Call-to-Action Code -->\r\n\r\n<\/div>\n\n\n\n<p>The natural world is full of showstoppers\u2014birds with brilliant colors, exaggerated crests and tails, intricate dance routines, or virtuosic singing. But it\u2019s long been thought that these abilities are the result of trade-offs. For a species to excel in one area, it must give up its edge in another. For example, male Northern Cardinals are a dazzling scarlet but sing a fairly simple whistle, whereas the dull brown House Wren sings one of the most complicated songs in nature.<\/p>\n\n\n\n<p>Animals have limited resources, and they have to spend those in order to develop showy plumage or precision singing that help them attract mates and defend territories,\u201d\u00a0said Nick Mason, the paper\u2019s lead author.\u00a0\u00a0\u201cSo it seems to make sense that you can\u2019t have both. But our study took a more detailed look and suggests that actually, some species can.\u201d Mason did the research as a master\u2019s student at San Diego State University. He is now a Ph.D. student at the Cornell Lab of Ornithology.<\/p>\n\n\n\n<div class=\"wp-block-group well-gray is-layout-flow wp-block-group-is-layout-flow\">\n<h2 class=\"wp-block-heading\">Northern Cardinal vs. House wren<\/h2>\n\n\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-9d6595d7 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:66.66%\">\n<p>Naturalists have long noticed that bright, showy birds like the Northern Cardinal often sing simple songs, while plainer birds like the House Wren often sing complex songs. Listen:<\/p>\n\n\n\n<figure class=\"wp-block-audio\"><audio controls src=\"https:\/\/www.allaboutbirds.org\/news\/wp-content\/uploads\/2020\/05\/523096.wav\"><\/audio><\/figure>\n\n\n\n<p class=\"has-small-font-size\"><em>Northern Cardinal recorded by\u00a0<a href=\"https:\/\/web.archive.org\/web\/20221208205003\/https:\/\/macaulaylibrary.org\/asset\/523096?__hstc=75100365.97488972d95fb34eabcaa33854118bc3.1670532629234.1670532629234.1670532629234.1&amp;__hssc=75100365.1.1670532629234&amp;__hsfp=1122309392\">Gerrit Vyn\/Macaulay Library<\/a>.<\/em> [Audio description: A loud string of two-parted whistles and series of down-slurred notes.]\n\n\n\n<div style=\"height:0px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<figure class=\"wp-block-audio\"><audio controls src=\"https:\/\/www.allaboutbirds.org\/news\/wp-content\/uploads\/2020\/05\/508385.wav\"><\/audio><\/figure>\n\n\n\n<p class=\"has-small-font-size\"><em>House Wren recorded by\u00a0<a href=\"https:\/\/web.archive.org\/web\/20221208205003\/https:\/\/macaulaylibrary.org\/asset\/508385?__hstc=75100365.97488972d95fb34eabcaa33854118bc3.1670532629234.1670532629234.1670532629234.1&amp;__hssc=75100365.1.1670532629234&amp;__hsfp=1122309392\">Geoffrey A. Keller\/Macaulay Library<\/a>.<\/em> [Audio description: A jumbled mix of nasal-sounding notes, chirps, trills and high-pitched squeaks.]\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:33.33%\">\n<figure class=\"wp-block-image alignleft size-full wp-image-7177\"><img loading=\"lazy\" decoding=\"async\" width=\"350\" height=\"171\" src=\"https:\/\/www.allaboutbirds.org\/news\/wp-content\/uploads\/2014\/06\/CardinalWren350.png\" alt=\"CardinalWren350\" class=\"wp-image-7177\"\/><figcaption class=\"wp-element-caption\"><em>Photos by Judy Howle\/Cornell Lab (cardinal) and Gary Mueller\/Cornell Lab (wren).<\/em><\/figcaption><\/figure>\n<\/div>\n<\/div>\n<\/div>\n\n\n\n<p>Mason and his colleagues tested the idea of trade-offs by looking at a very large family of songbirds from Central and South America, the tanagers. This group consists of 371 species\u2014nearly 10 percent of all songbirds. It includes some of the most spectacularly colorful birds in the world (such as the Paradise Tanager) as well as more drab birds (like the Black-bellied Seedeater). The group also includes both accomplished and weak songsters alike.<\/p>\n\n\n\n<div class=\"wp-block-group well-gray is-layout-flow wp-block-group-is-layout-flow\">\n<h2 class=\"wp-block-heading\">Tanagers: plumage and song<\/h2>\n\n\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-9d6595d7 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:66.66%\">\n<p>The study compared plumage and song complexity in the tanager family, which has showy species like the Paradise Tanager and more drab birds like the Black-bellied Seedeater. Compare the two songs:<\/p>\n\n\n\n<figure class=\"wp-block-audio\"><audio controls src=\"https:\/\/www.allaboutbirds.org\/news\/wp-content\/uploads\/2020\/05\/127399.wav\"><\/audio><\/figure>\n\n\n\n<p class=\"has-small-font-size\"><em>Paradise Tanager recorded by\u00a0<a href=\"https:\/\/web.archive.org\/web\/20221208205003\/https:\/\/www.allaboutbirds.org\/news\/wp-content\/uploads\/2020\/05\/127399.wav\">Curtis Marantz\/Macaulay Library<\/a>.<\/em> [Audio description: High-pitched chirps and whistles.]\n\n\n\n<figure class=\"wp-block-audio\"><audio controls src=\"https:\/\/www.allaboutbirds.org\/news\/wp-content\/uploads\/2020\/05\/178161.wav\"><\/audio><\/figure>\n\n\n\n<p class=\"has-small-font-size\"><em>Black-bellied Seedeater recorded by\u00a0<a href=\"https:\/\/web.archive.org\/web\/20221208205003\/https:\/\/macaulaylibrary.org\/asset\/178161?__hstc=75100365.97488972d95fb34eabcaa33854118bc3.1670532629234.1670532629234.1670532629234.1&amp;__hssc=75100365.1.1670532629234&amp;__hsfp=1122309392\">Natxo Areta\/Macaulay Library<\/a>.<\/em> [Audio description: Songs with series of several mixed sounds like of whistles and trills.]\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:33.33%\">\n<figure class=\"wp-block-image alignnone wp-image-7178 size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"350\" height=\"153\" src=\"https:\/\/www.allaboutbirds.org\/news\/wp-content\/uploads\/2014\/06\/ParadiseSeedeater350.png\" alt=\"ParadiseSeedeater350\" class=\"wp-image-7178\"\/><figcaption class=\"wp-element-caption\"><a href=\"https:\/\/flic.kr\/p\/mbKV6i \">Paradise Tanager<\/a> (left) and a more drab <a href=\"https:\/\/flic.kr\/p\/bnqjaC\">Black-bellied Seedeater<\/a>. <em>Photos by Joao Quental.<\/em><\/figcaption><\/figure>\n<\/div>\n<\/div>\n<\/div>\n\n\n\n<p>The research team examined museum specimens of 303 tanager species, using a spectrophotometer to measure nine aspects of plumage coloration, such as brilliance and contrast. They took a similar approach to the birds\u2019 songs, analyzing more than 2,700 recordings to measure 20 song variables including length, bandwidth, and number of syllables. (By the end of the project, Mason had earned the distinction of being the largest-ever single user of the Cornell Lab\u2019s <a href=\"http:\/\/macaulaylibrary.org\">Macaulay Library<\/a> sound archives.) Finally, the team compared how plumage and song complexity varied at each of the branches along a recently completed evolutionary tree of the tanager family.<\/p>\n\n\n\n<p>\u201cIf there were going to be any group of birds at all that would show this trade-off, the tanagers would be a very good candidate, because there\u2019s all this variation in song and plumage complexity,\u201d Mason said, noting that the group\u2019s large size lends confidence to the statistical analysis. \u201cBut when we dive into it and do some rigorous statistics, it turns out that there is no overall trend. Tanagers can be drab and plain-sounding, or colorful and musical, or anything in between.\u201d<\/p>\n\n\n\n<div class=\"wp-block-group well-gray is-layout-flow wp-block-group-is-layout-flow\">\n<h2 class=\"wp-block-heading\">The Blue-winged Mountain-Tanager: Does This Bird Have it All?<\/h2>\n\n\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-9d6595d7 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:66.66%\">\n<p>The Blue-winged Mountain-Tanager was ranked #4 in plumage complexity. But it and its close relatives also have complicated songs, contributing to the study&#8217;s finding that there is no evolutionary trade-off between plumage and song complexity. Listen to its song:<\/p>\n\n\n\n<figure class=\"wp-block-audio\"><audio controls src=\"https:\/\/www.allaboutbirds.org\/news\/wp-content\/uploads\/2020\/05\/77467101.wav\"><\/audio><\/figure>\n\n\n\n<p class=\"has-small-font-size\"><em>Blue-winged Mountain-Tanager recorded by\u00a0<a href=\"https:\/\/web.archive.org\/web\/20221208205003\/https:\/\/macaulaylibrary.org\/asset\/77467101?__hstc=75100365.97488972d95fb34eabcaa33854118bc3.1670532629234.1670532629234.1670532629234.1&amp;__hssc=75100365.1.1670532629234&amp;__hsfp=1122309392\">Andrew Spencer\/Macaulay Library<\/a>.<\/em> [Audio description: A song of lots of mixed sounds\u2014sharp whistles, series of up-swinging notes and chirps.]\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:33.33%\">\n<figure class=\"wp-block-image alignnone wp-image-7176\"><img loading=\"lazy\" decoding=\"async\" width=\"350\" height=\"206\" src=\"https:\/\/www.allaboutbirds.org\/news\/wp-content\/uploads\/2014\/06\/Blue-winged_Mountain_Tanager350.png\" alt=\"Blue-winged_Mountain_Tanager350\" class=\"wp-image-7176\"\/><figcaption class=\"wp-element-caption\">The Blue-winged Mountain-Tanager was ranked #4 in plumage complexity. But it and its close relatives also have complicated songs, contributing to the study&#8217;s finding that there is no evolutionary trade-off between plumage and song complexity. <em>Photo by <a href=\"https:\/\/flic.kr\/p\/7kEfWs\">Keith Bowers<\/a>.<\/em><\/figcaption><\/figure>\n<\/div>\n<\/div>\n<\/div>\n\n\n\n<p>As a byproduct of the analyses, Mason was able to put together <a href=\"https:\/\/www.allaboutbirds.org\/news\/the-top-10-most-amazing-looking-and-sounding-tanagers-as-determined-by-science\/\">top-10 lists<\/a> of tanagers with the most colorful plumage and the most complex songs. Those lists help illustrate the overall lack of a trade-off between singing and plumage. For example, a single genus of mountain-tanagers had members on both lists. The Lacrimose Mountain-Tanager ranked #8 among the most complex songs, while the Blue-winged Mountain-Tanager had the fourth most complex plumage of all 303 species examined.<\/p>\n\n\n\n<p>The study puts a significant dent in the idea of evolutionary trade-offs between plumage and song. It\u2019s still possible that trade-offs take place at the level of genus, Mason said, or that they influence species relatively fleetingly as evolutionary pressures appear and disappear. But as a broad effect on an entire family of birds, a voice\u2013plumage trade-off doesn\u2019t seem to exist. One possibility is that the resources needed to develop fancy plumage are different from the ones required for complex songs, freeing tanagers to invest in both forms of showiness simultaneously.<\/p>\n\n\n\n<p>In addition to Mason, the study\u2019s authors include Allison Shultz and Kevin Burns, both of San Diego State University. The research was funded in part by the National Science Foundation and the National Geographic Society.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>A study of one of the world\u2019s largest and most colorful bird families has dispelled a long-held notion, first proposed by Charles Darwin, that animals are limited in their options<a class=\"excerpt-read-more\" href=\"https:\/\/www.allaboutbirds.org\/news\/maybe-birds-can-have-it-all-dazzling-colors-and-pretty-songs-too\/\" title=\"ReadMaybe Birds Can Have It All:  Dazzling Colors and Pretty Songs, Too\">&#8230; Read more 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