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Animals
- All About Aardvarks – Lesson
- All About Aardvarks – Quiz
- Babirusa – What a Pig! – Lesson
- Babirusa – What a Pig! – Quiz
- The Chimpanzee – The Nearly Human Primate – Lesson
- The Chimpanzee – The Nearly Human Primate – Quiz
- The Donkey – The Intelligent Yet Stubborn Animal – Lesson
- The Donkey – The Intelligent Yet Stubborn Animal – Quiz
- Electric Eels – Shocking Details – Lesson
- Electric Eels – Shocking Details – Quiz
- Ferrets – Playful, Fun-Loving Animals – Lesson
- Ferrets – Playful, Fun-Loving Animals – Quiz
- Giraffe – The Tallest Living Land Animal – Lesson
- Giraffe – The Tallest Living Land Animal – Quiz
- The Hedgehog – Lesson
- The Hedgehog – Quiz
- Iguanas – The “Chickens of the Tree” – Lesson
- Iguanas – The “Chickens of the Tree” – Quiz
- Jaguar – The Largest Cat on the American Continent – Lesson
- Jaguar – The Largest Cat on the American Continent – Quiz
- Koala – Not Koala Bear – Lesson
- Koala – Not Koala Bear – Quiz
- Llamas – The Alpaca’s Kind and Charismatic Cousins – Lesson
- Llamas – The Alpaca’s Kind and Charismatic Cousins – Quiz
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Space and Astronomy
- Mars: Just the Beginning? – Lesson
- Mars: Just the Beginning? – Quiz
- Six Billion ‘Earth-like’ Planets in the Milky Way Galaxy? – Lesson
- Six Billion ‘Earth-like’ Planets in the Milky Way Galaxy? – Quiz
- Did NASA Scientists Find Another Universe? – Lesson
- Did NASA Scientists Find Another Universe? – Quiz
- A New Planet Was Discovered – And Old Theories Must Change – Lesson
- A New Planet Was Discovered – And Old Theories Must Change – Quiz
- SpaceX Completes First Civilian Trip to Space – Lesson
- SpaceX Completes First Civilian Trip to Space – Quiz
- First Movie Filmed in Space Successful – Lesson
- First Movie Filmed in Space Successful – Quiz
- James Webb Telescope Heads to Deep Space – Lesson
- James Webb Telescope Heads to Deep Space – Quiz
- A Lot Is Happening on and Around the Moon – Lesson
- A Lot Is Happening on and Around the Moon – Quiz
- First-Ever Picture Taken of the Milky Way’s Black Hole – Lesson
- First-Ever Picture Taken of the Milky Way’s Black Hole – Quiz
- First James Webb Telescope Images Revealed – Lesson
- First James Webb Telescope Images Revealed – Quiz
- Buzz Aldrin Sells Jacket from the Moon Landing – Lesson
- Buzz Aldrin Sells Jacket from the Moon Landing – Quiz
- Humans at Home on the Moon – Could It Really Happen in This Decade? – Lesson
- Humans at Home on the Moon – Could It Really Happen in This Decade? – Quiz
- Winter on Mars – Lesson
- Winter on Mars – Quiz
- Pictures of Mars Show Hidden Figures – Lesson
- Pictures of Mars Show Hidden Figures – Quiz
- Jupiter and Venus Appear to ‘Kiss’ – Lesson
- Jupiter and Venus Appear to ‘Kiss’ – Quiz
- The James Webb Telescope Finds Six Ancient Galaxies – Lesson
- The James Webb Telescope Finds Six Ancient Galaxies – Quiz
- Would an EpiPen Work in Space? – Lesson
- Would an EpiPen Work in Space? – Quiz
- Satellite Spots Earth’s Second Moon? – Lesson
- Satellite Spots Earth’s Second Moon? – Quiz
- Space Mining – The Race is On and China is Leading – Lesson
- Space Mining – The Race is On and China is Leading – Quiz
- How Did Gold and Platinum Arrive on Earth – Lesson
- How Did Gold and Platinum Arrive on Earth – Quiz
- Odysseus Has Found Its New Home – Lesson
- Odysseus Has Found Its New Home – Quiz
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The Environment
- Red Tide: No Fun in the Florida Sun – Lesson
- Red Tide: No Fun in the Florida Sun – Quiz
- Leaded Gas Eradicated from the World, Says United Nations – Lesson
- Leaded Gas Eradicated from the World, Says United Nations – Quiz
- COVID Plastic Waste: A Big Problem for Oceans – Lesson
- COVID Plastic Waste: A Big Problem for Oceans – Quiz
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Archaeology and Paleontology
- Ancient Human Species Discovered – Lesson
- Ancient Human Species Discovered – Quiz
- Biblical City of Sodom Found in the Jordan Valley? – Lesson
- Biblical City of Sodom Found in the Jordan Valley? – Quiz
- Antarctic Explorer’s Ship Found After a Century – Lesson
- Antarctic Explorer’s Ship Found After a Century – Quiz
- Newly Found Diary Shows How Ancient Egyptians Built the Pyramids – Lesson
- Newly Found Diary Shows How Ancient Egyptians Built the Pyramids – Quiz
- Study Shows ‘Apocalyptic Dust’ Might Have Killed the Dinosaurs – Lesson
- Study Shows ‘Apocalyptic Dust’ Might Have Killed the Dinosaurs – Quiz
- Ancient Celestial Calendar Found in a 2,000-Year-Old Tomb – Lesson
- Ancient Celestial Calendar Found in a 2,000-Year-Old Tomb – Quiz
- Hiker Stumbles Upon Ancient Fossils While Hiking in Italy – Lesson
- Hiker Stumbles Upon Ancient Fossils While Hiking in Italy – Quiz
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Technology
- 3 Reasons to Protect Your Online Privacy – Lesson – VIDEO
- The Rise of Deepfakes – Lesson
- The Rise of Deepfakes – Quiz
- A New Mayflower Voyage, Captained by AI Technology – Lesson
- A New Mayflower Voyage, Captained by AI Technology – Quiz
- The Latest Supercomputer Is Breaking Speed Barriers – Lesson
- The Latest Supercomputer Is Breaking Speed Barriers – Quiz
- LNGenZ Survey: What is the Greatest American Invention? – Lesson
- LNGenZ Survey: What is the Greatest American Invention? – Quiz
- School and ChatGPT – Is it Cheating? – Lesson
- School and ChatGPT – Is it Cheating? – Quiz
- Artificial Intelligence Gets an Upgrade? – Lesson
- Artificial Intelligence Gets an Upgrade? – Quiz
- Scientists Plan to Bring the Dodo Bird Back from Extinction – Lesson
- Scientists Plan to Bring the Dodo Bird Back from Extinction – Quiz
- Is There Too Much Technology in Education? – Lesson
- Is There Too Much Technology in Education? – Quiz
- AI Coming to a Keyboard Near You – Lesson
- AI Coming to a Keyboard Near You – Quiz
- Is the NSA Browsing Your Browser History? – Lesson
- Is the NSA Browsing Your Browser History? – Quiz
- AI Can’t Compete With People Skills – Lesson
- AI Can’t Compete With People Skills – Quiz
- How Social Media Is Hazardous to Generation Z – and Beyond – Lesson
- How Social Media Is Hazardous to Generation Z – and Beyond – Quiz
- Surgeon General’s Warning for Social Media – Lesson
- Surgeon General’s Warning for Social Media – Quiz
- Pay With Your Face: Is the End of Cash Nigh? – Lesson
- Pay With Your Face: Is the End of Cash Nigh? – Quiz
- Can Artificial Intelligence Really End Cancer? – Lesson
- Can Artificial Intelligence Really End Cancer? – Quiz
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Mind and Body
- Teen Scientist’s Invention Mixes Music with Mental Health – Lesson
- Teen Scientist’s Invention Mixes Music with Mental Health – Quiz
- Man Receives First Pig Heart Transplant – Lesson
- Man Receives First Pig Heart Transplant – Quiz
- Sniffing Out the Truth About Smells – Lesson
- Sniffing Out the Truth About Smells – Quiz
- The Power of Playtime – Lesson
- The Power of Playtime – Quiz
- Is Language Getting More Emotional? – Lesson
- Is Language Getting More Emotional? – Quiz
- Scientists Say Household Chores Help Kids’ Brains – Lesson
- Scientists Say Household Chores Help Kids’ Brains – Quiz
- Transplant of Pig Kidney Into a Human Successful So Far – Lesson
- Transplant of Pig Kidney Into a Human Successful So Far – Quiz
- The Lack of a College Degree Is Shortening Lifespans – Lesson
- The Lack of a College Degree Is Shortening Lifespans – Quiz
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Flora and Fauna
- Dogs Can Tell When Humans Make a Mistake, Says Study – Lesson
- Dogs Can Tell When Humans Make a Mistake, Says Study – Quiz
- Jonathan: The World’s Oldest Living Tortoise – Lesson
- Jonathan: The World’s Oldest Living Tortoise – Quiz
- The Monarch Butterfly Makes a Surprise Return – Lesson
- The Monarch Butterfly Makes a Surprise Return – Quiz
- Bat Falcon Spotted in the United States for the First Time – Lesson
- Bat Falcon Spotted in United States for the First Time – Quiz
- Charles Darwin’s Notebooks Mysteriously Returned after 20 Years – Lesson
- Charles Darwin’s Notebooks Mysteriously Returned after 20 Years – Quiz
- Six Endangered Red Wolf Pups Born in Wildlife Refuge – Lesson
- Six Endangered Red Wolf Pups Born in Wildlife Refuge – Quiz
- Scientists Record Never-Before-Heard Whale Call – Lesson
- Scientists Record Never-Before Heard Whale Call – Quiz
- Underwater Meadow Gets Credit as the World’s Largest Living Plant – Lesson
- Underwater Meadow Gets Credit as the World’s Largest Living Plant – Quiz
- Scientists Trying to Bring the Tasmanian Tiger Back from Extinction – Lesson
- Scientists Trying to Bring the Tasmanian Tiger Back from Extinction – Quiz
- Jurassic Era Insect Found at Arizona Walmart – Lesson
- Jurassic Era Insect Found at Arizona Walmart – Quiz
- The Comeback of the Nearly Extinct Earless Lizard – Lesson
- The Comeback of the Nearly Extinct Earless Lizard – Quiz
- A Strange Golden Orb Found on the Ocean Floor Is Alive! – Lesson
- A Strange Golden Orb Found on the Ocean Floor Is Alive! – Quiz
- Peanut: The Pet Chicken With a World Record – Lesson
- Peanut: The Pet Chicken With a World Record – Quiz
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Mathematics
- Metric vs. Imperial: A Weighty Debate in Britain – Lesson
- Metric vs. Imperial: A Weighty Debate in Britain – Quiz
- The Abacus is Helping Kids Master Math Skills – Lesson
- The Abacus is Helping Kids Master Math Skills – Quiz
- Retired Engineer Discovers ‘Einstein’ Shape – Lesson
- Retired Engineer Discovers ‘Einstein’ Shape – Quiz
Llamas – The Alpaca’s Kind and Charismatic Cousins – Lesson
Llamas are often called the friendliest animals in the world.
Llamas are most commonly found in parts of South America. Often called the friendliest animals in the world because of their sweet disposition and seemingly empathetic personality, scientists categorize them as “charismatic megafaunas” that appeal to humans. Several other animals join llamas in this category, including Giant Pandas, bald eagles, and male lions.
Ancestry and Evolution
Around 82 million years ago, Llamas wandered the lands of North America. Three ancestry lines of the Camelidae family, including Camelops, Camelus, and Lama, were once found in what we now know as Florida. Approximately 3 million years ago, the animals migrated to South America and were eventually unable to be found in North America.
Over time, the mammals adapted to the South American landscape. They evolved with shorter legs that allowed them to navigate the mountainous Andes terrain. Years of domestication and selective breeding have created an extraordinarily gentle creature with the ability to thrive at elevations above 14,000 feet above sea level. The kind mammals were used for centuries as animals of transport. They were employed by several groups of Native Americans to carry goods, food, and supplies. This earned them a high status within the Incan culture.
The four different species of llamas are so closely related that they can crossbreed successfully. The four are llamas, alpacas, vicunas, and guanacos. Their closest relative is an alpaca.
Appearance
While llamas can greatly vary in color and size, the most common range in height is from 5.5 to 6 feet tall and weight from 290 to 440 pounds. The fur of a llama can be brown, black, white, or gray. It can also be spotted or piebald, which means black and white. Their soft fur is highly sought for clothing material.
The mammals have short tails and tongues and lack upper teeth, which contributes to their reputation as harmless. They have long ears that double as mood indicators. If ears are standing up, the animal is happy, relaxed, and possibly curious. If ears are pinned back, however, it indicates the animal is fearful or agitated.
Much like camels, llamas have a lengthy large intestine that allows them to go long periods without water consumption.
Diet and Habitat of Llamas
Llamas are herbivores, meaning they eat plants, fruits, and vegetables but not meat. Their favorite foods are bromegrass hay, alfalfa hay, corn silage, or grass. The mammal eats around 10 to 12 pounds of food each day, and it has a stomach is capable of digesting low-quality, high-cellulose fare.
The animals are primarily found in South American countries such as Peru, Ecuador, Bolivia, Chile, and Argentina. In the late 1900s, farmers began shipping llamas to North America, Australia, and Europe. Today, there are around 40,000 llamas living in North America. Farmers use them for livestock guards but can utilize only one llama for the job because two would connect with one another rather than watch the flock they are intended to protect.
Reproduction and Lifespan
There are three different breeding options. The first is harem mating, when a male is put in the same area as several females. The second is field mating, for which one male and one female are put together for procreation. The third is hand mating, where one male and one female are observed together. If they choose not to mate on the first day, they are separated for a day and then reunited for a second try.
Female llamas are induced ovulators, meaning they do not release eggs on a cycle. Outside stimulus induces the release of eggs, and often a female will become pregnant after just one mating session.
Baby llamas are born after about 11 1/2 months in their mother’s womb. They are called crias, a Spanish word meaning babies. At birth, they weigh between 20 and 31 pounds. Because of a llama’s short tongue, the mothers are unable to lick their young. Instead, they hum and nuzzle their babies to provide comfort. The babies feed from their mother for the first five or six months of life before they begin eating grass and other foods.
Predators
Domesticated llamas have few predators because they are kept safe by their owners. In the wild, however, llamas watch out for several predators. On the list are cougars, mountain lions, and snow leopards. Over the years, humans have hunted llamas for their meat, hides, and fur.
Llamas are susceptible to a variety of bacterial, fungal, and viral diseases. They also are prone to different cancers and heart conditions that are life-threatening their lives. Their populations are plentiful, and they are not currently at risk of endangerment.
- Over time, llamas adapted to the South American landscape, evolving with shorter legs that allowed them to navigate the mountainous Andes terrain.
- Their long ears double as mood indicators: Ears standing up, the animal is happy, relaxed, and possibly curious; ears pinned back, the animal is fearful or agitated.
- Much like camels, llamas have a lengthy large intestine that allows them to go long periods without water consumption.