Shadowing Practice: What If Megalodon Met the Biggest Snake Ever - Learn English Speaking with Video

Creating lesson...
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This is going to be a very unusual match, but I bet it'll also be spectacular and intense.
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In the left corner, we have Megalodon.
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This species went extinct about 3 million years ago, but there are good reasons why it's now a legendary animal.
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It's the biggest shark that ever existed, and it was a super powerful predator in its time.
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And a round of applause for our contender in the right corner, Titanoboa.
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This one's way bigger than any other snake.
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It lives in the swamps of Colombia, and it's the real boss of the area.
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Titanoboa can eat absolutely any animal it decides to hunt, and it faces no competition.
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It can swallow a giant turtle or even a crocodile.
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It looks like a modern boa but behaves like an anaconda, and that's a very scary mix!
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But can it stop a giant shark?
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Let's start by looking at their sizes.
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We still don't know about Megalodon's exact size, because the only remains of them that have survived are just fossilized backbones and teeth.
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But scientists generally think this monster was about 50 feet long.
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So it wasn't just the biggest shark that ever existed, but also one of the biggest fish of its time.
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Its closest rival is the modern whale shark, but they're only about 40 feet.
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The giant Titanoboa got so big thanks to a lucky coincidence since.
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Snakes are cold-blooded animals, so they need a warm climate to live and grow in.
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Northeastern Colombia is perfect.
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It was about 90 degrees when Titanoboa was alive.
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This helped it grow to an incredible 42 feet in length.
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Titanoboa could easily swallow the longest snake registered in the Guinness Book of Records, which is only about 25 feet long.
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And that's a big gulp!
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So we have 50 feet versus 42.
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The first point goes to Megalodon.
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What about weight?
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Titanoboa is about 2,500 pounds.
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That's heavier than a small car, including the passengers.
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But it might be even heavier if you run into Titanoboa after it's had lunch.
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In that case, you can add a few hundred pounds more from the turtle or the alligator that it just swallowed.
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If you put Titanoboa on some very large scales, you'd need 5 giant anacondas on the other side to balance them out.
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But Megalodon is an incredible 50 times heavier than Titanoboa.
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The average adult female weighs between 27 and 59 tons.
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That's as much as an empty Boeing 737 airplane.
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And that's without carry-on luggage, either.
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Luckily enough, Megalodon can't fly.
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So obviously, Megalodon wins in the weight category.
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That's one more point to the ancient shark.
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Although having such a large weight makes it difficult for the shark to move and also means it's a little clumsy.
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Which leads us to our next category, speed and agility.
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Megalodon can swim at about 16 feet per second.
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That's enough to make it the ultimate predator.
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But it's still slower than plenty of other species.
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If Megalodon was swimming in a pool and Usain Bolt was running along next to it, he would be twice as fast.
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His top speed is almost 40 feet per second.
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Now a sailfish, which is the fastest sea creature, can reach about 100 feet per second.
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Giant size and weight make it turn really slowly, just the same as a large truck.
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So when it attacks, the shark has only one chance to strike.
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If it misses, it has to go around for a second attempt.
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This gives its prey more than enough time to run away.
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Titanoboa isn't that fast either, especially on land.
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But when the giant snake is in the water, it can swim at a speed of up to 12 miles per hour.
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Not much, but enough for it to escape from Megalodon if it needs to.
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It's learned to swim so well because water is its main hunting ground.
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And because Titanoboa is a snake, duh, it also has incredible mobility.
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It can wriggle around and change direction very quickly.
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So it can easily dodge Megalodon's bite.
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So here's the first point for Titanoboa.
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The score is 2-1 in favor of megalodon.
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Next section, fighting skills.
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Megalodon is incredibly smart.
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It can change tactics depending on what kind of prey it's hunting.
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Scientists have found teeth markings from megalodon on some whale fossils.
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These show that the giant sharks aim their bites at their prey's vital body parts to take them out quickly.
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Other remains of Megalodon's victims have multiple fractures.
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This is because Megalodon performs a super-powerful ram attack that can knock almost anything out.
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In fact, this 50-ton beast can easily smash through concrete walls.
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So, Megalodon's opponents don't really stand a chance.
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Some of them prefer to first damage the tails and fins of the whale they're hunting.
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This stops it from escaping, letting the huge predator finish off its defenseless victim.
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Now, what can Titanoboa do in response?
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The giant snake isn't poisonous, but this doesn't stop it from hunting prey up to 4 meters long.
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Its bite has a very special design.
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The structure of its teeth and jaws lets Titanoboa really clamp down on the body of its prey, so there's no escape.
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When hunting, Titanoboa uses similar tactics to an anaconda or a boa.
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By that, I mean it uses its powerful muscles and weight to stop its prey from moving.
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It deploys all of its strength to take away the animal's energy, making it helpless.
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So Titanoboa is not only really speedy and agile, it can also fight its corner pretty well.
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It's definitely earned a point in the fighting skills section.
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The score is now 2-2!
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That's a tie going into the final round!
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We've got one more section before we find out which of these ancient monsters will win!
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Up now is Fighting Tools!
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Apart from its ramming power, Megalodon has something else up its sleeve, even though it really doesn't have arms or wears a coat.
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Let's take a look at its jaw.
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Its teeth are about 7 inches long.
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an absolute record for all known shark species in the world.
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Megalodon has about 250 of these deadly pointy things arranged in 5 rows.
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They're also really sharp, which helps it penetrate the thick skin of big animals like whales.
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Megalodon's jaws are 6.5 feet wide, and it has one of the strongest bites of any animal on the planet.
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Not only are Are they super dangerous?
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Megalodon's teeth are also really valuable.
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One of these ancient incisors was once found in Western Australia.
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The location where it was dug up was kept secret, but this didn't stop intruders from stealing it.
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It's probably in someone's private collection by now, and sadly, scientists missed the chance to learn something new about Megalodon.
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Titanoboa also has a mean set of teeth.
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They're thin and pointed like needles.
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They bend inwards in the snake's jaw like fishing hooks.
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This little feature helps Titanoboa get a grip on its prey and prevent the slightest chance of it running or swimming away.
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If the animal tries to pull itself free, it will only hurt itself even more.
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And remember that Titanoboa is incredibly agile, so it can strike with that bite at an incredible speed.
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Now it's time for the fight itself!
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but never swims in the open sea.
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But here Megalodon has gotten lost and ended up in a shallow swampy area off the coast of Colombia.
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In water like this, Megalodon finds it even harder to move around.
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It could bite Titanoboa just once and the fight would be over.
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But because the shark moves so much slower than the snake, for now, he doesn't get the chance to snap those enormous jaws.
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Titanoboa starts attacking Megalodon, but it can't do much damage to that thick skin with its sharp but very short teeth.
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Eventually, Megalodon gets its chance and ends the fight with a single bite.
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It turns out that those huge teeth were what really mattered in this competition.
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Chew on that for a while.
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That's 3 to 2 and a victory to the giant shark!

Vocabulary and speaking notes for this lesson

This video has 112 sentences and 1339 words to shadow. The speech runs for 8:42. The speaker talks at a natural 154 words per minute, close to everyday conversation. Only 79% of the words are among the 3,000 most common in English, so the vocabulary is demanding.

Key vocabulary in this video

15 words from the video worth learning, with pronunciation and meaning:

WordPronunciationMeaning
bite verb/baɪt/To cut into something by clamping the teeth.
snake noun/sneɪk/Any of the suborder Serpentes of legless reptiles with long, thin bodies and fork-shaped tongues.
swim verb/swɪm/To move through the water, without touching the bottom; to propel oneself in water by natural means.
prey noun/pɹeɪ/That which is or may be seized by animals to be devoured.
whale noun/ˈweɪl/Any large cetacean, usually with the exclusion of dolphins and porpoises.
scientist noun/ˈsaɪəntəst/One whose activities make use of the scientific method to answer questions regarding the measurable universe. A scientist may be involved in original research…
jaw noun/d͡ʒɔː/One of the bones, usually bearing teeth, which form the framework of the mouth.
swallow verb/ˈswɑ.loʊ/To cause (food, drink etc.) to pass from the mouth into the stomach; to take into the stomach through the throat.
predator noun/ˈpɹɛd.ə.tɚ/Any animal or other organism that hunts and kills other nonplant organisms (their prey), primarily for food.
sharp adjective/ʃɑɹp/Terminating in a point or edge, especially one that can cut or pierce easily; not dull, obtuse, or rounded.
thick adjective/θɪk/Relatively great in extent from one surface to the opposite in its smallest solid dimension.
skill noun/skɪl/A capacity to do something well; a technique, an ability, usually acquired or learned, as opposed to abilities that are regarded as innate.
incredibly adverb/ɪŋˈkɹɛdɪbli/In an incredible manner; not to be believed.
pound noun/ˈpaʊ̯nd/A unit of weight in various measurement systems.
tactics noun/ˈtæktɪks/The military science that deals with achieving the objectives set by strategy.

Phrasal verbs you will hear

WordPronunciationMeaning
find out verbTo discover, as by asking or investigating.
finish off verbTo finish completely.
move around verbTo relocate to new homes repeatedly; to not live in any one place for long.
run along verbTo leave; to make one's way somewhere else.
run away verbTo flee by running.
take away verb/ˌteɪk əˈweɪ/To remove something and put it in a different place.
turn out verbTo end up; to result.

Pronunciation to watch

The speaker uses 18 contractions and reduced forms, such as they're, doesn't, can't. Say them the short way, as you hear them.

  • The “th” sounds: thick /θɪk/, thin /ˈθɪn/, northeastern /ˌnorˈθiː.stɚn/
  • The “sh” and “zh” sounds: sharp /ʃɑɹp/, unusual /ʌnˈjuːʒ(u)əl/, smash /smæʃ/, shallow /ˈʃæloʊ/, sailfish /ˈseɪlˌfɪʃ/
  • Long words — get the stress right: incredibly /ɪŋˈkɹɛdɪbli/, unusual /ʌnˈjuːʒ(u)əl/, legendary /ˈlɛd͡ʒ.ənˌdɛɹ.i/, spectacular /spɛkˈtæk.jə.lɚ/, mobility /mə(ʊ)ˈbɪlɪti/

How to practise with this video

  1. Listen to the whole video once without speaking and note the words you do not know.
  2. Start at 0.75× speed, shadow it sentence by sentence, then go back to normal speed once it feels easy.
  3. Record yourself and compare with the original, paying attention to words like bite, snake, swim.

Grammar in this video

The structures the speaker uses most, with the exact words from the video:

StructureIn the video
Present perfect have/has + past participle — a past action that still matters nowhave survived · have found · has gotten lost
Passive voice be + past participle — the focus is on what happens, not who does itare just fossilized · was dug
Relative clauses who / which + clause — extra information about a person or thingRecords, which is · sailfish, which is

What is the Shadowing Technique?

Shadowing is a science-backed language learning technique originally developed for professional interpreter training and popularized by polyglot Dr. Alexander Arguelles. The method is simple but powerful: you listen to native English audio and immediately repeat it out loud — like a shadow following the speaker with just a 1–2 second delay. Unlike passive listening or grammar drills, shadowing forces your brain and mouth muscles to simultaneously process and reproduce real speech patterns. Research shows it significantly improves pronunciation accuracy, intonation, rhythm, connected speech, listening comprehension, and speaking fluency — making it one of the most effective methods for IELTS Speaking preparation and real-world English communication.

Shadowing technique: read the full step-by-step guide →