Indigo Bunting

Indigo Bunting
Photo: Inge Curtis

The canary yellow of goldfinches in summer may be more eye-catching, but the male Indigo Bunting is an attention grabber, far more than the female who might pass as a brown sparrow unless you noticed her white throat.

It takes its name from the blue pigment extracted from plants for dyeing clothes (think of denim jeans), although the blue feathers are unpigmented. We might call it a structural color because the hue is created when light is refracted by passing through keratinous filaments filled with air pockets.

Other species of buntings have been recorded in Virginia, although uncommon or rare. The euphonious word ‘bunting’, also used for a flag, has been around for such a long time its origin is lost.

By Roger Gosden

British-born scientist specializing in reproduction & embryology. Career as professor & research director spanned from Cambridge to Cornell's Weill Medical College in NYC. Married to Lucinda Veeck Gosden, embryologist for the first successful IVF team in America. Retired early to Williamsburg, Virginia, to write and recover from 'nature deficit disorder'. Currently a visiting scholar at William & Mary. https://en.wikipedia.org/wiki/Roger_Gosden

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