Out-There Science

Sanguivores: Nature's Blood Drinkers

Oxpecker bird, which is a sanguivore (blood drinker) (Photo: Flicker Sharing, Derek Keats)

12 of the Most Interesting

Let's face it, there are a lot of ways to eat and be eaten in the animal kingdom. Feeding ranges from the sponge-like mouth parts of flies to the flat molar-like chompers of clam-eating fish like black drum. If an animal or plant exists in the world, then something feeds in or on it. This is true of animals that drink blood, also called sanguivores (sang-wa-vors). Another word for this is hermatophagy (pronounced her- mat-oh-fay-gee). Any time you see the term "--phagy" at the end of a word it means "eating". Herma comes from the Greek word "haima" or "blood" and phagein or "to eat." For today's post I want to share with you the world of sanguivores or blood drinkers. There are more than you think, and even though you may already be squirming in your seat at the though, keep an open mind. Blood is little more than water with easily digestible proteins, lipids (fats), and nutrients. To humans blood is super taboo, and gross, we see blood as "disgusting" because we're taught that it's full of diseases and should only be seen in horror films. However, in nature blood is something not to be wasted or ignored. It's the "water of life" for some animals. Here are 12 of the most interesting.

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Five Animals that Evert Their Stomachs

Crown of thorns

Crown of thorns starfish (Photo: Wiki Commons).

It's Stomach Turning!

I didn't really plan on writing about stomach eversion until I began researching how owls form pellets and I ran across some interesting information about frogs and their ability to burp up their entire stomachs. I started to follow this thread of research and thought I'd share with you information about stomach eversion in five different animals that I found absolutely fascinating.  You'll probably never really use this information at polite cocktail gatherings but will make for great "one up" gross stories while drinking beer with friends.

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