![Scientists ID why Gouldian Finches Have Red, Black, or Yellow Heads | All About Birds All About Birds Scientists ID why Gouldian Finches Have Red, Black, or Yellow Heads | All About Birds All About Birds](https://www.allaboutbirds.org/news/wp-content/uploads/2019/06/GeneticHeadColor-corrected.jpg)
Scientists ID why Gouldian Finches Have Red, Black, or Yellow Heads | All About Birds All About Birds
![Delmar Gouldian Finches - LUTINO AND ALBINISTIC GOULDAINS 2013 (By Winnie McAlpin) ALL RIGHTS RESERVED LUTINO AND ALBINISTIC GOULDIAN QUOTES [UNPUBLISHED QUOTES] Dr. Terry Martin, who is one of the authors of Delmar Gouldian Finches - LUTINO AND ALBINISTIC GOULDAINS 2013 (By Winnie McAlpin) ALL RIGHTS RESERVED LUTINO AND ALBINISTIC GOULDIAN QUOTES [UNPUBLISHED QUOTES] Dr. Terry Martin, who is one of the authors of](http://gfinches2.com/assets/images/Image000021.289110626_std.jpg)
Delmar Gouldian Finches - LUTINO AND ALBINISTIC GOULDAINS 2013 (By Winnie McAlpin) ALL RIGHTS RESERVED LUTINO AND ALBINISTIC GOULDIAN QUOTES [UNPUBLISHED QUOTES] Dr. Terry Martin, who is one of the authors of
![Genetics and evidence for balancing selection of a sex-linked colour polymorphism in a songbird | Nature Communications Genetics and evidence for balancing selection of a sex-linked colour polymorphism in a songbird | Nature Communications](https://media.springernature.com/full/springer-static/image/art%3A10.1038%2Fs41467-019-09806-6/MediaObjects/41467_2019_9806_Fig1_HTML.png)
Genetics and evidence for balancing selection of a sex-linked colour polymorphism in a songbird | Nature Communications
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![Genetics and evidence for balancing selection of a sex-linked colour polymorphism in a songbird | Nature Communications Genetics and evidence for balancing selection of a sex-linked colour polymorphism in a songbird | Nature Communications](https://media.springernature.com/m685/springer-static/image/art%3A10.1038%2Fs41467-019-09806-6/MediaObjects/41467_2019_9806_Fig4_HTML.png)