Search Results | introduced species

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Pacu Fish: The Piranha Cousin With Human-like Teeth

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In 2023, 11-year-old Charlie Clinton from Oklahoma made headlines by catching a pacu - a South American fish known for its human-like teeth - in a pond behind his house, far from its native Amazon habitat.

Can You Identify These Saltwater Fish?

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The 2003 flick "Finding Nemo" and its sequel "Finding Dory," introduced a whole new generation to the wonders of the undersea world. See how many of these sea swimmers you can recognize with this quiz!

6 Axolotl Predators: Dangers in Both Nature and Captivity

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Despite their charm and regenerative powers, axolotls face many threats in the wild.

Bandicoots Survived Eons of Changing Climates, But This Time It's Different

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New findings about ancient, extinct Australasian bandicoot and bilby species underscore how dire things are today when even survivors like these are struggling.

6 Facts About the Lovely, Incredibly Destructive, Lionfish

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The showy lionfish is a stunning beauty. But this invasive species, which was released into the wild in the 1980s, is wreaking havoc on delicate reef ecosystems worldwide.

Mysterious Marine Animal Pictures

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This gallery will introduce you to some of the mysterious animals that drift in the ocean. Jump in at HowStuffWorks.

The Elephant Trunk Snake Is Fully Aquatic

animals.howstuffworks.com/snakes/elephant-trunk-snake.htm

The elephant trunk snake is one of the most unusual reptiles out there. Native to Southeast Asia, this fully aquatic snake is known for its distinctive appearance, with loose, baggy skin that gives it a texture reminiscent of an elephant’s trunk — hence the name!

How the Galapagos Islands Work

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The Galapagos Islands are famous for giving Charles Darwin the inspiration for his theory of evolution. Learn about the Galapagos Islands.

Anaconda: Snake of Frighteningly Enormous Proportions

animals.howstuffworks.com/snakes/anaconda-snake.htm

When you think of the word "anaconda," it probably conjures up images of massive, slithering serpents lurking in the waters of South America, right? Well, that's not too far off! The anaconda snake, scientifically known as Eunectes murinus, is the stuff of legends.

Eastern Gray Squirrel

animals.howstuffworks.com/mammals/eastsquir.htm

The eastern gray squirrel's natural habitat is the hardwood oak, hickory is and walnut forests of eastern North America, where its numbers are controlled by resource availability and predators such as bobcats, owls is and foxes.

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