They Were Looking for an Anaconda… But Found This Instead in the Amazon

[00:00:00]In the coal mines of the Cerrejón area in Colombia, a team of scientists and paleontologists was digging deep into the earth. This coal mine had formed due to a 60 million-year-old rain forest whose dense vegetation had been compressed over countless millennia under immense pressure and heat from overlying sediments, eventually turning into the valuable coal deposits.

[00:00:27]Therefore, they were searching for remnants of ancient plants and animals that could reveal secrets of that bygone [music] era.

[00:00:36]This place was part of a mysterious past hidden from the world, concealed within the earth's layers that preserved fossils [music] in remarkable detail.

[00:00:46]During excavation, experts found a strange object in the rocks. After removing the dirt, it proved to be a bone. Some thought it was a crocodile bone, others a turtle bone, and some believed it was an old tree trunk. But, this bone later guided science to a world where the largest snake ever lived, Titanoboa. It was not an ordinary snake, but one 10 times heavier than today's green [music] anaconda and longer than a passenger bus. It was so heavy that crawling on land might kill it from its own weight due to the immense gravitational force pressing down on its massive frame. So, where did it actually move? The simple bone led experts to Amazon's history where the map was completely different with vastly different geography [music] and ecosystems. What caused Titanoboa's gigantic size? How did it hunt and what ended its reign in the Amazon forests?

[00:01:47]Titanoboa's discovery was not sudden. It began in 1994 when local geologist Henry Garcia saw a strange object in the Cerrejón mine resembling a tree branch.

[00:02:01]It was stored in a special box [music] without much attention awaiting further analysis by future researchers. About a decade later in 2002, geologist Fabiani Herrera found a similar fossil. Their goal was researching ancient flora to understand the first tropical rainforests and how they evolved into the modern ones we know.

[00:02:25]The turning point came in 2007 when fossils reached the Florida Museum of Natural History. It was neither a tree branch nor matching a crocodile spine.

[00:02:36]Comparing to Anaconda and python bones brought great surprise as the differences were striking.

[00:02:43]The bone was three times bigger and thicker than an Anaconda's. Experts identified it as a snake bone.

[00:02:51]In science, size matters greatly and Titanoboa broke all records. Experts used mathematical models based on the vertebra to estimate length as vertebra size correlates directly with total length [music] in snakes. Calculations showed a 42 to 50 ft long, about [music] twice today's Anaconda. Titanoboa was not only long but thick like a fat man's waist and weighed about 1,200 kg >> [music] >> as heavy as a sedan car or 10 times an Anaconda. 1.2 tons is impossible for modern land snakes. This discovery caused worldwide sensation as the king of snakes named Titanoboa. The question was not just its size but why it was so big.

[00:03:41]Today's snakes are not this large because of cooler climates. The answer lies in climate. Snakes are ectothermic, cold-blooded animals that regulate body temperature externally. Humans generate internal heat through metabolic processes, but snakes depend entirely [music] on environmental temperature for warmth and activity. Biology's rule, warmer environment means faster metabolism for cold-blooded animals, leading to more power, better digestion, faster growth, and larger bodies supported by abundant [music] energy. Titanoboa was discovery gave a climate thermometer. Its body proved Columbia's environment 60 million years ago was much hotter. Temperatures stayed above 32° C day and night all year round. High humidity made breathing difficult. [music] It was a jungle that never cooled down. This heat allowed Titanoboa to grow so large and maintain its enormous physique. Today's Amazon would be too cold for it to thrive.

[00:04:48][music] It couldn't survive now as the energy for its body required intense heat constantly. To sustain the size, it needed lots of food on a regular basis.

[00:04:59]How did it hunt? Not chasing like Hollywood dragons on land because its heavy body made land movement difficult due to [music] gravity and increased friction with the surface. Research showed it was slow on land, so it was a water hunter like crocodiles.

[00:05:16]It spent time in swamps where water supported its weight via buoyancy for better movement and agility. In deep swamps, it ambushed with only eyes and nose above water. It waited hours or days without moving. Camouflaged perfectly in the murky waters, when prey came to drink, it struck with lightning speed from its hiding spot.

[00:05:40]Biomechanical models show it exerted over 400 psi pressure, like two African elephants on the chest, crushing with immense force. It broke bones and stopped circulation instantly, killing prey [music] quickly without prolonged struggle. What did it eat? Giant turtles over 8 ft like snooker tables [music] and larger ancient crocodiles that ruled the waters then. It could crush hard shells with jaws [music] designed for thick bones rather than fish. Titanoboa was the top predator and Amazon king in its domain. [music] Its thickness was like a healthy man's waist, yet it swallowed [music] large prey thanks to its flexible structure.

[00:06:26]Snake skulls are hard to find as delicate [music] bones break easily after death. Initially, only vertebrae were available limiting understanding.

[00:06:35][music] In 2011, intern Jorge Moreno Bernal found the skull in Cerrejón, a once-in-a-lifetime find [music] that changed everything. It showed dislocatable jaw like [music] anacondas for swallowing large items three times its head size, small brain but sharp senses with pit organs for heat detection in dark conditions. Water was essential not just for hunting but survival. [music] On land, it would crush under its weight damaging [music] internal organs. Water provided support and relief. Heat powered it. Water lightened load, perfect balance adapted to environment.

[00:07:19]But, if perfect and without enemies, how did it disappear?

[00:07:24]The world changed but it couldn't adapt.

[00:07:28]After the era, climate cooled slowly over time. For cold-blooded animals, few degrees drop was deadly to their physiology. Metabolism slowed, digestion took longer, strength decreased gradually, it lost agility and hunting efficiency.

[00:07:44]>> [music] >> Ecosystems changed. Swamps dried up due to less rainfall. Mammals rose taking over prey sources. Everything became insufficient for its needs. Few degrees colder made the largest snake history.

[00:07:59]The arrival of mammals introduced new competitors in the shifting landscape.

[00:08:04]Hope you like and share this video fully.

[00:08:07]>> [music] >> Thanks for comments. See you in next video.