12 Mysterious Facts About the Amazon Rainforest

The Amazon Rainforest is a world of wonders, full of life and mystery. As the largest rainforest on Earth, it covers 2.3 million square miles across eight countries in South America. It’s often called “the lungs of the planet” because of the oxygen it produces and the crucial role it plays in our global climate. But beyond its sheer size and importance, the Amazon holds countless secrets; some known, some yet to be discovered.

In this article, we’ll dive into some of the most fascinating and mysterious facts about the Amazon Rainforest that will leave you amazed of its wonders.

1. The Amazon is Home to 10% of the World’s Known Species

One of the most astonishing things about the Amazon is its biodiversity. The rainforest is home to an estimated 3 million species of plants and animals. That’s 10% of all species known to humanity! Some experts believe there are still thousands, if not millions, of species yet to be discovered.

  • Mammals like jaguars, capybaras, and pink river dolphins call the Amazon home.
  • Insects are perhaps the most abundant; it’s thought that 1 out of 5 species of insects on Earth can be found in the Amazon.

This immense biodiversity makes the Amazon one of the most important ecological habitats in the world.

2. The Amazon River is the Second Longest in the World

The Amazon River is the beating heart of the rainforest. It stretches over 6,400 km (3,976 miles), making it the second-longest river on Earth, right after the Nile. However, the Amazon wins in terms of volume as it discharges more water than the next seven largest rivers combined!

Here are some fun facts about the Amazon River:

  • At its widest point during the rainy season, the river can be 30 miles (48 km) wide.
  • The Amazon carries 20% of the world’s fresh water into the Atlantic Ocean.
  • Scientists believe there are still unexplored river systems hidden deep within the forest.

3. Uncontacted Tribes Still Live in the Amazon

One of the most fascinating mysteries of the Amazon is the existence of uncontacted tribes, groups of people who have had little to no interaction with the outside world. It is estimated that there are over 100 uncontacted tribes living deep within the Amazon rainforest.

These tribes have remained hidden for centuries, preserving ancient cultures, languages, and ways of life. Protecting these groups from outside interference is crucial to maintaining their unique identities.

  • Many uncontacted tribes are believed to live in the border regions between Peru, Brazil, and Colombia.
  • Their survival depends on the preservation of the rainforest, which is currently under threat from deforestation.

4. The Amazon Has Its Own “Boiling River”

Among the Amazon’s greatest mysteries is the Shanay-Timpishka, also known as the Boiling River. This river, located in the Peruvian Amazon, is unlike any other. The waters of the Boiling River can reach temperatures of up to 91°C (196°F), hot enough to kill any creature that falls in.

What’s especially strange is that the river is far from any volcanic activity. Scientists are still puzzled as to why the river is so hot, though it’s believed to be heated by underground geothermal activity.

  • The Boiling River is 6.4 kilometers long.
  • Shanay-Timpishka, which translates literally as “boiled with the heat of the sun” in the Asháninka Language.
  • It’s considered sacred by local indigenous communities.

5. Lost Cities of Gold: The Elusive El Dorado

For centuries, explorers have been drawn to the Amazon in search of El Dorado, a legendary city of gold. According to ancient myths, El Dorado was a wealthy kingdom rich in gold, hidden somewhere deep within the Amazon.

While El Dorado has never been found, modern discoveries suggest that large, advanced civilizations once thrived in the Amazon. Archaeologists have uncovered vast geometric earthworks in deforested parts of the forest, pointing to the existence of sophisticated ancient societies.

  • Satellite technology has revealed over 200 geometric patterns (called geoglyphs) in the Amazon, possibly created by ancient peoples.
  • These earthworks are thought to be over 2,000 years old.

6. The Amazon Creates Its Own Rain

One of the most mind-blowing facts about the Amazon Rainforest is that it creates its own weather! The trees in the Amazon release 20 billion tons of moisture into the atmosphere each day through a process called transpiration. This moisture forms clouds, which then fall back as rain.

Without this constant cycle, the forest wouldn’t survive, and it plays a critical role in regulating the planet’s climate.

  • The Amazon produces around half of its own rainfall.
  • The moisture it releases also affects weather patterns as far away as North America and Europe.

7. Pink River Dolphins (Botos) – The Amazon’s Mystical Creatures

The Amazon river dolphin, also known as the boto, is one of the most unique creatures in the rainforest. Unlike other dolphins, these dolphins are pink and are known for their playful behavior.

Local myths say that botos can transform into humans at night and interact with people. While this is part of Amazonian folklore, the boto’s unusual appearance and behavior have sparked many tales and legends.

  • Amazon river dolphins can grow to be 9.2 feet long, making them the largest river dolphins in the world.
  • Their pink color becomes brighter when they are excited or engaged in activity.

8. Terra Preta: The Amazon’s Mysterious Fertile Soil

Another mystery of the Amazon is the presence of terra preta, or “black earth.” This type of soil is found in patches throughout the rainforest and is incredibly fertile, despite the fact that most of the Amazon’s soil is nutrient-poor.

Scientists believe that ancient Amazonians created terra preta by mixing charcoal, bone, and organic matter into the soil. What’s amazing is that this soil remains fertile for thousands of years, and its origins are still not fully understood.

  • Terra preta covers about 10% of the Amazon basin.
  • Its high fertility has led some to speculate that ancient civilizations in the Amazon were much larger and more advanced than previously thought.

9. The Amazon’s Flora and Fauna Could Cure Diseases

The Amazon Rainforest is often called nature’s pharmacy. It’s home to more than 80,000 species of plants, many of which have been used by indigenous peoples for their medicinal properties.

  • Around 25% of Western pharmaceuticals come from rainforest plants, and many scientists believe the Amazon could hold the cures for diseases like cancer and Alzheimer’s.
  • However, only 1% of Amazonian plants have been studied for medicinal properties, meaning we may have only scratched the surface of its potential.

10. Angel Falls: World’s Tallest Waterfall

Angel Falls, located in Venezuela on the edge of the Amazon Basin, is the world’s tallest waterfall, plunging from a height of 3,212 feet (979 meters). The waterfall, fed by rainfall from the surrounding highlands, drops from the Auyán-Tepui mountain in the Canaima National Park, a UNESCO world heritage site.

One of its most amazing features is that the water plunges uninterrupted for 2,648 feet (807 meters) before turning into a mist, often creating beautiful rainbows. The falls are so high that the water evaporates before reaching the ground, giving Angel Falls a surreal and almost magical appearance.

Discovered by American pilot Jimmy Angel in 1933, it remains one of the most remote and untouched wonders of the Amazon region. Its majestic beauty, hidden deep in the Venezuelan jungle, makes it a breathtaking landscape.

  • Height: 3,212 feet, making it the tallest waterfall on Earth.
  • Remote Location: Accessible only by plane and boat, preserving its wild beauty.

11. The Lungs of the Planet

The Amazon Rainforest is often called the “Lungs of the Planet” because it plays a crucial role in producing oxygen and absorbing carbon dioxide. Covering over 2.1 million square miles, this vast rainforest generates around 20% of the world’s oxygen, making it essential for life on Earth. Its billions of trees absorb large amounts of carbon dioxide, helping to mitigate climate change. However, deforestation is rapidly threatening this balance, putting the future of this natural oxygen factory at risk.

  • Oxygen Production: The Amazon produces one-fifth of the Earth’s oxygen, crucial for life.
  • Carbon Absorption: It absorbs up to 2 billion tons of CO2 annually, making it a key player in fighting global warming.

12. The Amazon Rainforest is Under Threat

Despite all its wonders and mysteries, the Amazon is in danger. Deforestation, largely driven by illegal logging, mining, and agriculture, is causing irreversible damage to the forest. Each year, large portions of the rainforest are destroyed, taking with them countless species and undiscovered treasures.

  • Since 1970, over 17% of the Amazon has been lost.
  • Deforestation and illegal activities could turn the Amazon into a dry savanna within decades if action isn’t taken.

A World of Endless Wonder

The Amazon Rainforest is one of the last truly mysterious places on Earth. From its unique wildlife to its uncontacted tribes and ancient civilizations, the Amazon holds secrets that have fascinated humans for centuries.

But as we uncover these mysteries, we must also work to protect this vital ecosystem. Without the Amazon, we risk losing not just the “lungs of the planet,” but a world of discovery that could change the future of humanity.

So, while the Amazon’s secrets continue to amaze us, its greatest mystery may be how long we can preserve it. Let’s have some time to think of saving our dear Amazon. Yeah! We can do it…!!!