SEM of Eastern bluebird (Sialia sialis) feathers

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SEM of Eastern bluebird (Sialia sialis) feathers.  This image is 3 mm wide..These feathers have micro-structures that reflect blue light.  These microscopic features allow the bird to display bright blue iridescent colors.
SEM of Eastern bluebird (Sialia sialis) feathers. This image is 3 mm wide..These feathers have micro-structures that reflect blue light. These microscopic features allow the bird to display bright blue iridescent colors.
Filename: K08SEMbbfeath06-5B.jpg
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