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A Greenland Shark Living Today Could Have Been Alive in 1620
animals.howstuffworks.com/fish/sharks/greenland-shark.htm
This denizen of the frigid deep not only lives a crazy long life, it also can grow up to 24 feet in length and eating its flesh can make humans "shark drunk."
5 Quetzal Species Flying in Central and South America
animals.howstuffworks.com/endangered-species/quetzal.htm
The quetzal is a colorful, tropical bird that has fascinated humans for thousands of years. One species in particular, the resplendent quetzal, is thought to have inspired Quetzalcoatl" target="_blank">Quetzalcóatl, the Mesoamerican feathered serpent god.
Milk Snake: Harmless Yet Colored for Danger
animals.howstuffworks.com/snakes/milk-snake.htm
Often confused with the venomous coral snake, which advertises its toxicity through bright bands of color, the milk snake is harmless to humans.
10 Cobra Snake Species to Keep Out of Striking Distance
animals.howstuffworks.com/snakes/cobra-snake.htm
Cobras are some of the most venomous snakes on the planet, also known for their intimidating hoods and swift strikes. But while their venom and striking power make them feared by many, the role of the cobra snake in ecosystems is invaluable, from controlling rat populations to maintaining a balance among predators.
A Giant Tortoise Lives in the 'Galápagos of the Indian Ocean'
animals.howstuffworks.com/reptiles/giant-tortoise.htm
By the time the oldest human dies, odds are there's a giant tortoise out there somewhere who'll live twice as long as they did. Hailing from the Indian Ocean and the Galapagos islands, giant tortoises have been one of the most durable and long-living species for centuries upon centuries.
The 12 Most Aggressive Sharks
animals.howstuffworks.com/fish/sharks/most-dangerous-shark.htm
Dangerous sharks may not hunt humans, but if they took a sample bite, they could do some serious damage. Which 10 sharks make up the worst in the ocean?
Humpback Whales Have Made an Amazing Comeback From Extinction
animals.howstuffworks.com/mammals/humpback-whale.htm
Humpback whales can be as long as a city bus and weigh as much as two. They love to breach and water slap with their fins and tails, making them a perennial favorite for whale watchers.
The Garden Spider and Its Signature Zigzag Web
animals.howstuffworks.com/arachnids/garden-spider.htm
Let's talk about one of the most misunderstood arachnids in your backyard: the garden spider. Known for their intricate webs and striking colors, these arachnids are some of the most beneficial spiders around, keeping insect populations under control.
How Animal Testing Works
science.howstuffworks.com/innovation/scientific-experiments/animal-testing.htm
Animal testing has a long, gruesome history, but it's also saved countless human lives.
Air Pollution Kills 5.5 Million Per Year, Half in China and India Alone
science.howstuffworks.com/environmental/green-science/air-pollution-kills.htm
Millions of people die every year because of poor air quality, new international research finds. That number is expected to rise in coming years.