The Most Massive Animals Roaming Planet Earth

First, there were the dinosaurs—the largest creatures to ever roam our planet. Since their extinction, many other enormous animals have walked this earth. The animals and insects on this list are the largest of their kinds. While some are anomalies, born larger than their typical species, some are just always this HUGE. Warning: this might make you think twice about your next outdoor excursion…

Green Anaconda

The Green Anaconda is the world’s largest snake, weighing up to 550 pounds and 30 feet in length. They live in South America in the Amazon Rainforest. It's the heaviest snake in the world and up there among the longest, as well.


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The More You Know

  • The wood frog spends 7 months of the year frozen.
  • Cats have over one hundred vocal sounds, while dogs only have about ten.
  • Squirrels cause approximately 10-20% of US power outages.
  • A rodent’s teeth never stop growing.
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