Robert Clarkのインスタグラム(robertclarkphoto) - 12月20日 05時58分

Only three days left in my Instagram sale! Head to Clarkphotosales.com and buy a print before Christmas!

This is a Quetzal feather that I shot in China. Notice the bright, iridescent green highly indicative of #structuralcolor, one of two ways that vibrant color manifests in nature.

@ナショナルジオグラフィック @thephotosociety @instituteartist

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