Spiders (as well as horseshoe crabs and certain other arthropods) have blue blood due to the presence of copper-based hemocyanin in their blood. Even after thousands of years of discovery, there are new animal species identified every single day. Albinism and Melanism result in animals that are all-white or all-black, but mother nature has many more tricks up her sleeve. Biliverdin has a green hue (you can see the pigment in the greenish areas around a healing bruise), and very high levels of biliverdin in the blood of these skinks is what gives their blood its unusual color. Sometimes animal eyes will reflect a white light at night. In humans, oxygenated blood is bright red and deoxygenated blood is dark red or maroon. You'd be surprised by some of the animals that have blue, green, and yellow blood. This locus is associated with interesting coat color patterns such as piebald, particolor, and extreme white which produce coats with less symmetrical white spots. Bright pink blood. This site is associated with white dogs that have black patches and often interacts with the Merle locus to create different combinations of spots and colors. Blood color can indicate where a shot landed and, knowing that, the shades of blood offer clues about where the animal can be recovered. But sometimes genetic mutations can make even the animals that are most familiar to us look like completely different creatures. Male cockroaches have colorless blood, while the female cockroaches may occasionally have orange blood. The eyes of albino animals appear red because the colour of the red blood cells in the retina can be seen through the iris, which has no pigment to obscure this. Coyotes While humans and many other species have red blood, due to the iron in their hemoglobin, other animals have different colored blood. S (spotting) locus. The skink, however, seems to thrive with high levels of biliverdin in its blood, which gives the blood a green color. If there are bubbles in the blood… (Also see “Blue Blood Helps Octopus Survive Brutally Cold Temperatures.”) The green tint isn’t limited to their blood either. Here are four Blood colors decoded. These three species have all been photographed with a flash on the camera. Red isn’t actually the only possible blood colour; some animals can have green, blue, or even purple blood, due the the use of different oxygen-carrying […] Mark Laszlo says: November 2, 2015 at 2:52 pm Maybe they have a different name for themselves, or are proud of our’s for them! Albino vertebrates exposed to intense light typically lose photoreceptors due to apoptosis. When copper mixes with oxygen, it gives their blood its blue color. This is due to the absence of hemoglobin in their blood … Which Animals Have WHITE Eyes At Night? That enables the light to be reflected back as a very white and bright color. We will finish off by looking at a couple of animals with bright white eyes in the night. 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