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In Sunlight or in Shadow

10,000 Birds

No, not the llamas. Well, it turns out that the science behind this little meme is very relevant to the harder-working birder: it has to to with how our eyes and brain automatically compensate for differing levels of sunlight and shadow. Or the trailer for the new Frozen short. No, it’s about a blue dress. Or a white dress.

Llamas 204