Green anacondas can grow to almost 9m in length and weigh more than 250kg – that's about the weight of a male grizzly bear.

The United States is home to more than 30 species of venomous snakes, many of which can pose serious risks to humans. This ...

A study on rabbits dosed with viper venom suggests that botulinum toxin may alleviate some effects of snakebite, possibly by ...

Snakes have adapted to nearly every continent on Earth, thriving in a range of habitats, from steaming rainforests to arid ...

Scientists recently discovered a new species of green anaconda in the Amazon rainforest. A new Nat Geo series shows the ...

Rare attacks helped brand the cassowary as deadly, but habitat loss and human activity now pose a far greater threat to the bird’s survival. A southern cassowary stands on a beach at Etty Bay in ...

The natural world is full of animals that seem to defy logic, blurring the line between reality and imagination. Some look ...

WorldAnimalFoundation.org is reader-supported. When you buy through links on our site, we may earn an affiliate commission. Learn More A single bite can mean the difference between life and death—and ...

WorldAnimalFoundation.org is reader-supported. When you buy through links on our site, we may earn an affiliate commission. Learn More Far beyond hiking trails and forest edges lies a hidden world ...

Add Yahoo as a preferred source to see more of our stories on Google. Read on to discover the contested 19.2 feet claim and why it remains unverified. King cobras (Ophiophagus hannah) are endemic to ...

In the U.S., there are roughly thirty species of venomous snakes, most of them rattlesnakes. Most people will never have a serious problem with any of them, but some species have a mix of strong venom ...