Many animal species stuff themselves with toxic chemicals for protection, which forces them to use a handful of distinct strategies to avoid becoming victims of their own weapons.

There are a lot of ways to kill and be killed in the animal kingdom, but only a lucky few use the powers of venom. Not all are closely related, so how did they acquire the same defenses, where did venom come from, and how does it work?...

Smilodon was a fearsome Ice Age cat, the size of a modern-day tiger, that had a pair of fangs nearly 18 centimeters long. But it was only the last and largest of the great sabertooths: ridiculously long canines had already been a trend...

Snakes aren’t just muscle-y danger noodles. They're extremely diverse, and some have really weird, unique adaptations that we could all probably appreciate a little more.

Spider venom can stop your heart within minutes, cause unimaginable pain -- and potentially save your life, says zoologist Michel Dugon. As a tarantula crawls up and down his arm, Dugon explains the medical properties of this potent...

As of 2021, there are 368 species of viper worldwide. The name comes from the term viviparity, which means giving birth to live young. Vipers are often highly venomous, with two hollow, extra long fangs that unfold into imposing weapons...

Join Jessi and Squeaks to learn about a few animals with extreme teeth!

In the middle of the 19th century, a scientist stared into the microscope and found, staring back at him, a vampire.

Howcast - Learn how to recognize the warning signs that a tarantula is about to attack from Jungle Bob in this Howcast video.

Howcast - Learn seven cool facts about Goliath Birdeater Tarantulas and how to take care of them from Jungle Bob in this Howcast video.

Howcast - Learn five cool facts about Red Trapdoor Spiders and how to take care of them from Jungle Bob in this Howcast video.

Howcast - Learn if tarantulas are poisonous from Jungle Bob in this Howcast video.

Learn all about African bullfrogs, including why you'd probably want to wear gloves when handling one.

Learn all about African bullfrogs, including why you'd probably want to wear gloves when handling one.

Learn all about African bullfrogs, including why you'd probably want to wear gloves when handling one.

Learn all about African bullfrogs, including why you'd probably want to wear gloves when handling one.

Learn all about African bullfrogs, including why you'd probably want to wear gloves when handling one.

Watch as Mark and the crew explore the jungles of Borneo in order to find the biggest ant in the world: the Giant Forest Ant! With those massive mandibles and the ability to spray acid, where will it rank on the Brave Wilderness...

In this video, we explore the fascinating world of poisonous creatures and their defense mechanisms. From scorpions to spiders, frogs to snakes, we learn how evolution has equipped these animals with venom or camouflage to survive and...

In this video, we demonstrate how to extract venom from male funnel-web spiders, which are highly venomous and native to Australia. The venom is used to create life-saving anti-venom for human bites. Funnel-web spiders are dangerous,...

Watch Mark as he tracks down the biggest bloodworm on the Maine mudflats in order to rate its sting on the Brave Sting Index. Will the mighty fireworm be dethroned as the most painful worm on the planet?! Watch and find out!

The outcome of a fight between lion and tiger would depend heavily on the individuals–their age, breed, mood, fighting style, and physiology. However, historical evidence suggests that tigers are a bit more likely to win the duel. When...

Explore the fascinating process of molting in spiders, where they shed their exoskeleton to grow. This video also compares the world's smallest spider, the Samoan Moss spider, with the largest, the Goliath bird eater tarantula,...

In this video Mark tracks down Arizona's biggest spider, the Desert Blonde Tarantula, and take a bite to show you just how dangerous this spider really is! How bad do you think it's going be?