Leeches are bloodsucking parasites, and you wouldn't think they're great at protecting other species. Yet for some conservationists, these little vampires are one of the best tools available for conserving endangered and threatened...

6 Surprising Blood-Drinking Animals

Has a doctor ever told you that you just have too much blood? Probably not, but there are a handful of conditions where being a little low might be good for you.

Hank introduces us to 6 blood-drinking (or otherwise consuming) animals that you may not be aware of. Don't freak out... Chapters VAMPIRE BAT 1:35 LAMPREY 1:52 HOOD MOCKING BIRD 2:20 THE VAMPIRE FINCH 2:46 BUTTERFLIES 2:56 HUMANS 3:22

Blood-suckers may seem like they have it easy, but feeding on blood comes with a lot of challenges.

Hank continues our exploration of animal phyla with the more complexly organized annelida and arthropoda, and a biolography on insects.

Did we just find a slimy alien?! Mark and the crew are deep in the mudflats of Maine, searching for a massive Bloodworm for the Bite-Sting Index when they suddenly come face-to-face with the giant Milky Ribbon Worm!

Our love of reckless recreation, and our fascination with ‘lost in the wilderness’ movies means that almost all of us could reel off at least a few survival tactics. The trouble is, are they reliable or could some of them actually make...

When you think of leeches, you probably thinking about bloodthirsty vampires wiggling beneath the water... but did you know that you don't have to go swimming in order to catch a parasite? In this adventure, Coyote's going on a little...

Upon viewing the Simple Animals video series, students will be able to do the following: Differentiate between and provide examples of vertebrate and invertebrate animals. Describe the basic body parts of a sponge (porifera). Explain...

Sea Lamprey... and then tests out if they will bite! Watch as Mario places the Sea Lamprey on Coyote's body to see if these giant bloodsucking parasites will take a bite. Get ready to watch the strong suction power of the Sea Lamprey!

Who’s that over there? Flash has just spotted another cool creature he can add to his Animal Alphabet! Our intrepid traveller Flash explores land, sea and air spotting different species of wildlife in their natural habitats and...

Are all Leeches out to get you? Are they all really just thirsty vampires lurking beneath the waters surface? Well in an attempt to prove and disprove some of the common Leech myths going around these days Coyote has once again...

This video provides an overview of the different phyla of worms, including flatworms, roundworms, and segmented worms. It explains their characteristics and habitats, such as the microscopic planarians found in water, the tube-like...

Biological Classification Set: This clip looks at the three major phyla of worms: the Platyhelminthes, Nematoda and Annelida. As well as examining the phylum Mollusca.