/https://tf-cmsv2-smithsonianmag-media.s3.amazonaws.com/filer_public/b8/45/b845724a-c3f4-4d80-9a7d-1520346b768d/blood-colors-1500x1000.jpg?ssl=1 "The Bloody Palette of the Animal Kingdom Goes Far Beyond Red. These Creatures Have Blood That Runs a Chilling Blue, Bright Green or Milky White")
The Bloody Palette of the Animal Kingdom Goes Far Beyond Red. These Creatures Have Blood That Runs a Chilling Blue, Bright Green or Milky White
October 30, 2026 / /
The hemoglobin in humans’ blood is not the standard for all critters—and one group of Antarctic fish are the only vertebrates to not have red blood cells at all
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