Chapter 180 Tyrannosaurus Rex (IV)
Xiaolong, who was born and raised on the other side of the strait, obviously knows better than Yiyun how terrifying the Sats dragon is.
He was visibly panicking, flapping his short front paws hard at the bottom of the water, trying to escape from the terrifying and ferocious dragon as quickly as possible.
“Wow.”
Yu Yiyun buried her mouth under the water and blew out two bubbles to comfort Xiaolong.
With the Pig Dragon's rich experience, at this moment, keeping quiet is the best option and try not to alarm the enemy beast.
His camouflage skills are superb, and his cosplay of rotten wood is absolutely indistinguishable from the real thing.
What if I'm accidentally discovered by Satthron...
It doesn’t matter, I will still die, perish, turn over and roll!
It's good to have many skills~
Xiaolong on the other side seemed to understand what was said, but seeing Yu Yiyun so calm, he gradually calmed down as well, opened his eyes wide and observed the enemy beast.
Fortunately, the Saatsaurus came to the shore mainly to drink water and had no intention of hunting for the time being.
Compared to Tyrannosaurus Rex, Satyrsaurus had a smaller head.
In addition to its poor bite force due to its small head, its eyes are located on both sides of its head, so its field of vision is relatively limited, making it especially difficult to capture things between the two eyes.
Moreover, the eyes of carnivorous beasts are better at capturing moving objects, and the same is true for dinosaurs.
The two little dragons stayed in the water motionless, quieter than death.
Until the Satsulong finished drinking the water, he didn't find anything wrong with the two rotten wood in the water, and slowly dragged his huge body away.
"Buzz?" Is it gone?
On the other side of the river, Xiaolong looked at the enemy beast's receding back, then glanced at Yu Yijun with eyes full of admiration, praising him for his intelligence and strength.
"Wow~" No need to praise too much~
Yu Yiyun raised her head and stuck out her belly proudly.
Throughout my life, I have encountered so many enemy beasts, both flying in the sky and swimming in the water.
To hide from a stupid dragon, isn't it just a matter of using your claws to pinch it?
Although arrogant in words, a certain little dragon is still very timid.
Only after making sure that Satuslong had gone far away did Yu Yiyun dare to climb onto the shore. With wobbly duck steps, she quickly rolled back to her mother and aunt to seek protection.
"roar!"
“Roar!”
The mother and aunt had just finished a hunt and killed a fat Triceratops. They happily called the cubs home for dinner.
Yu Yiyun immediately put her fear behind her and ran over happily to enjoy the dragon meat feast.
The several tons of Triceratops were enough for them to enjoy for two weeks.
Just as the Triceratops finished eating, my aunt laid her first egg.
Dinosaurs are the ancestors of birds. Their egg-laying behavior is similar to that of birds. They do not lay all eggs at once, but instead lay one egg every 1-2 days.
For dinosaurs that lay more eggs, the hatching probability of eggs laid later is approximately equal to 0.
The aunt discovered that she had laid an egg, and curiously circled around the first egg laid by the dragon, as if she didn't know what to do.
The mother, who had experience in raising cubs, came over and rubbed her head against the aunt's head.
Yu Yiyun has observed that no dinosaur expresses intimacy by rubbing its head against another's, especially the Triceratops.
When Triceratops rub their heads against each other, three bloody holes will definitely be left behind.
Throughout the hundreds of miles around, only their family, under the influence of their cubs, would rub their heads or chins to calm their companions.
Cute~!
The mother dragon rubbed her aunt's head for a while, covered the dragon eggs with dead leaves and soil, and then called her aunt to go out to find food.
After watching the three parents go away, Yu Yiyun stayed near Chaoxue.
After turning clockwise for a few times and then counterclockwise for a few times, a small question mark appeared in the big head.
"Wow?"
That’s it?
Yu Yiyun knew that Tyrannosaurus Rex usually did not hatch eggs directly, and life and death were left to fate.
Once again, I repeat the ancestral motto of Tyrannosaurus Rex: Only the strong are worthy of being my children.
But just leaving the eggs there was really contrary to Yu Yiyun's understanding.
Yu Yiyun has seen birds and reptiles incubating eggs, and it is quite common for the parents not to sit in the nest.
Ostriches and crocodiles in Africa also do not incubate eggs directly.
But the responsible ostrich and crocodile parents will guard the nest throughout the whole process, protect the cubs from wind and rain, and drive away natural enemies.
In comparison, the dinosaur parents are really big, and they use their strength to reduce the birth rate of their race.
Yu Yiyun observed his surroundings, looked up at the sky, and confirmed that there was no danger for the time being, then used his flexible front paws to deeply camouflage the eggs.
Try to make sure that no other egg thieves, except yourself, can tell that there is a nest of eggs here.
Throughout the ages, the living environment in the wild has been equally cruel, and female animals still have to struggle for a living while they are pregnant and raising their cubs.
My aunt follows my mother and my aunt around to fight every day. Apart from laying an egg every day, you can't tell at all that she is a pregnant dragon.
After she laid the eggs, she patted her butt and left, which made Yu Yiyun very busy!
While her aunt was laying eggs, Yu Yiyun was responsible for setting up the nest and maintaining the temperature and humidity in the nest.
Although his knowledge was limited and he was not sure what determined the gender of a baby dragon, he still carefully divided the eggs into high-temperature and low-temperature areas to avoid gender imbalance due to incubation.
In order to ensure the balanced development of the dragon eggs, Yu Yiyun would turn the eggs over almost every day, and clear the leaves on high places whenever she had time to ensure that the dragon eggs could get access to sunlight.
The aunt laid 12 eggs in total. Yu Yiyun happily divided the eggs into two groups to take care of, imagining that in the future she would have six younger brothers and six younger sisters, surrounding her like little ducks.
Oviparous animals have a characteristic that the size of the eggs determines the upper limit of the offspring.
Yu Yiyun used her paws to measure dragon eggs and found that the largest egg was not as big as her paws. The newborn Tyrannosaurus Rex was no different from kittens and puppies.
“Wow~”
Yu Yijun wagged his tail happily, and suddenly felt something was wrong.
He turned around slowly and saw another egg that appeared from nowhere.
The dragon egg was relatively soft, and when it was swept by the tail, it just rolled a few times without breaking.
The pig dragon stared at the egg, which slowly broke.
"Wow?" Egg?
Where did the eggs come from?!
Yu Yiyun re-examined the eggs in the nest. If she remembered correctly, it had been exactly four days since her aunt laid the last egg.
I don’t know if this egg was laid last, or if it was laid too remotely and I forgot to put it in the nest.
In any case, this egg was already hatching at least four days later than the other eggs, so they were destined not to hatch at the same time.
Even if it is hatched alone, the baby dragon is four days younger than its older brothers and sisters, so it is a hellish start from birth.
There must be competition among the young animals with low survival rates.
Even domestic cats push each other with their paws in order to get milk, let alone dinosaurs?
Dinosaurs are not mammals and can eat meat as soon as they are born, with a very high conversion rate.
In just four days, the smallest dragonet will be twice the size of the egg, and the situation of the late-hatching dragonets is even worse than that of the bottom-level wolves.
Yu Yijun walked over slowly, picked up the eggs, and a fierce battle began in his mind.
hatch?
Not hatching?
After some thought, Yu Yiyun finally did not put the dragon egg into the nest.
In addition to considering that the lower-level dragons are bullied, there is another decisive reason.
There are now 12 eggs in the nest, six little dragon girls and six little dragon boys, and I have arranged them clearly.
Where should I put the extra dragon eggs?
Is it driving obsessive compulsive disorder to death?
Yu Yiyun, who really didn't want to upset the balance, was in a dilemma holding the dragon egg.
An egg represents a precious little Tyrannosaurus Rex. Even if it cannot be hatched, it cannot be thrown away, right?
What a waste, I might as well eat it.
Yu Yiyun shook his head, shaking off the dangerous thought that his nephew would melt in his mouth.
He looked back and made sure there were no dangerous factors near the nest, so he left the dragon's nest with the egg in his hand, intending to find a suitable home for the egg.
If it really doesn't work, secretly put it into another dragon's nest and ask another Tyrannosaurus Rex mother to help hatch it.
But my mother and aunt were too fierce and had a strong sense of territory, so there were almost no other female dragons nearby.
Apart from his own animals, the only other animals Yu Yiyun had ever seen were Xiaolong on the other side of the river and his uncle.
Yu Yijun held the dragon egg in her hands and turned around aimlessly, unable to open her eyes due to the dazzle of the midsummer sun.
The temperature was high in prehistoric times. Not only were animals scorched by the scorching sun, but even plants were "sweatening" in the high temperature.
The pig dragon couldn't stand the heat, so he found a tall tree to avoid the scorching sun.
The tail rubbed lightly against the tree trunk, and Yu Yijun felt a strange sticky feeling.
He turned around curiously and found that not only the tree behind him, but also the nearby trees were secreting a large amount of resin under the high temperature.
Resin?
In modern society, resins are often used to make adhesives and are applied in various chemical fields.
Dating back tens of millions of years, resin had another important use: forming amber.
Resin is a natural insulating material with stable properties.
Some insects rest on the trees and happen to be wrapped in the dripping resin.
After millions of years of burial and petrification, it still retains its lifelike appearance.
Modern science and technology can obtain the complete genes of ancient insects from resin and learn everything about them.
When Yu Yiyun thought of this, he lowered his head to look at the egg in his claws, and a bold idea came to his mind.
This dragon egg has not yet begun to hatch, but it contains the complete genes of a Tyrannosaurus Rex.
After the extinction of Tyrannosaurus Rex, everything about them was buried in dust, leaving only broken bones.
What if there is a dragon egg?
The clever little man will surely be able to see the magnificent history of the dinosaur era through this dragon egg that has been frozen in time.
Yu Yiyun gently used her claws to stroke the dragon egg that had not yet begun to hatch, hoping that it would have the opportunity to tell the story of the dinosaurs to distant humans.
"Wow." Yu Yijun called out softly twice, rubbed the dust off the soft shell of the dragon egg, and then began to collect resin.
In the past, amber excavated by humans mostly contained small flying insects or fragments of animals and plants, but no complete dinosaur egg fossils.
This is mainly because the formation of amber is a rare accidental event, which requires the conditions of being 'just wrapped in resin' and then 'buried underground'.
Dinosaurs usually laid their eggs in nests covered with dead leaves and soil, away from the range of resin dripping, so it was difficult for amber to form.
It’s different now!
The pig dragon stretched out its evil claws and carried out subjective control, turning low-probability events into high-probability events.
He collected enough resin, wrapped the dragon egg tightly, and buried it underground after it solidified.
While waiting, Yu Yiyun would also wrap his claws around flying insects and the remains of small animals in the resin.
It takes time for natural resin to solidify, and small resins become solid first.
To avoid humans finding too much amber in the same area, and then holding 800 meetings to discuss 'Why is there so much amber here', 'Does this tree catch animals'...
The kind-hearted pig dragon took the resin balls that solidified earlier and threw them everywhere.
The resin wrapping the dragon egg was quite large, and after waiting for a very long time, the inside still had not completely solidified.
Yu Yiyun held the dragon egg and returned to the nest. Her mother and aunts had already returned.
They didn't bring back any prey today, and they all had wounds on their bodies, apparently having experienced a fierce battle.
Yu Yijun quickly hid the dragon egg amber and ran to her mother and aunt to check their injuries.
The three female dragon sisters work together very well, have rich hunting experience, and are able to deal with the strongest Triceratops.
The wars between dinosaurs were extremely brutal, and they often returned with injuries, but never were their injuries so serious.
"Wow?"
When Yu Yiyun ran over, she found that her aunt's hind legs were severely bitten, her aunt's back had a piece of flesh missing, and her mother's tail was broken.
Tyrannosaurus Rex has a very strong repair ability and can heal these wounds.
Later fossils showed that Tyrannosaurus Rex even had the ability to regenerate.
No matter how strong its self-recovery ability is, such a serious injury will inevitably affect the Tyrannosaurus Rex's mobility and hunting success rate.
Three big dragons lay there, rubbing against each other.
Hearing the cub's voice, the mother dragon opened her eyes wide and whispered to her baby, "You're going to be hungry tonight."
Yu Yiyun didn't mind this little thing.
In other words, it is a miracle that I have never been hungry since I became a dragon, which is enough to show how much my mother and aunt love me.
Which other Tyrannosaurus Rex in prehistoric times had never been hungry?
"Wow?"
Yu Yiyun leaned over, rubbed against her mother, licked her aunt's wound, and asked worriedly what kind of enemy beast they had encountered.
The big dragon didn't understand and thought the cub was hungry, so he comforted him by saying "we will go hunting tomorrow."
Yu Yiyun couldn't get any useful information from them, so she simply turned on detective mode and went to investigate on her own.
The clues were not difficult to find. The three female dragon sisters were so seriously injured that they left many traces and blood on the way back.
Yu Yiyun followed the blood trail and approached the battle site cautiously.
The enemy beast must be very ferocious and capable of causing damage to a Tyrannosaurus Rex in its prime.
Yu Yiyun had limited abilities and ran slowly, so he did not dare to act rashly to alert the enemy.
He moved a little closer and saw a large group of black dragon heads in the distance, including the Satsaur that had been drinking water on the shore.
People know much less about Satyrsaurus than Tyrannosaurus Rex.
The Satyrsaurus fossils excavated so far contain fragments of Tyrannosaurus Rex, and the activity ranges of the two types of dragons overlap.
Therefore, some people have suggested that Satyrsaurus was stronger than Tyrannosaurus Rex.
This theory is not accepted by most people because, judging from the bone data, Tyrannosaurus Rex had a stronger body size and bite force than Satyrsaurus.
If so, how did Satyrsaurus eat Tyrannosaurus?
Yu Yijun looked at the densely packed group of Satsaurs and immediately had a guess.
The cooperative hunting of Tyrannosaurus Rex was mainly carried out in family units, often with three or two dragons hunting together, and some Tyrannosaurus Rex chose to hunt alone.
The Satyrsaurus, which shared the same territory with the Tyrannosaurus Rex, had closer ties within the group and was able to unleash greater power.
Yu Yiyun keenly discovered that although several dragons in the group were injured, the rest of the dragons showed no signs of abandoning it.
If the Satyrosaurus would take care of its injured companions, it would truly be the most formidable enemy beast.
If Tyrannosaurus Rex is compared to a tiger, Satyrsaurus is a pack of wolves.
Tigers are very powerful, and it is difficult to judge the outcome of a fight against a united and large group of wolves.
Yu Yijun didn't have time to think about which one was more powerful, the Tyrannosaurus Rex or the Satyrsaurus. Now that this group of dragons appeared here, their intentions were very clear.
90% of conflicts among carnivores are due to territorial conflicts.
They wanted to drive out the Tyrannosaurus Rex and occupy this land with abundant prey.
Under normal circumstances, Yu Yiyun might have advised her mother and aunt to change the territory. There was no need to confront the enemy head-on.
The situation is different now. The dragon eggs are in the hatching stage, and the big dragon must stay near the nest.
Otherwise, even if the Satthosaurus did not find the nest, the cubs would hatch successfully.
When they hatch and run around, they will definitely be eaten one by one by the enemy dragon.
Yu Yiyun could not give up his territory, so he could only find a way to drive away the enemy beasts.
So here comes the question.
How can you drive away a large group of enemy beasts with your own strength?
The poor pig dragon is not yet an adult, so its fighting power is really limited.
Not to mention facing powerful carnivorous dinosaurs, even facing herbivorous dinosaurs...
Wait, herbivorous dinosaurs!
Yu Yiyun remembered that this area was rich in vegetation, which nourished a variety of herbivorous dinosaurs.
In addition to the amphibious duck-billed dinosaurs and the triceratops with horns on their heads, there are also large dinosaurs that are thirty or forty meters long.
Satyrsaurus are smaller than Tyrannosaurus Rex, and in the face of its absolute power, they are as vulnerable as a mantis trying to stop a chariot.
Yu Yiyun, who was good at using the opponent's force to counter attack, and who was good at imitating the dragon's power, immediately had an idea.
Two months ago, he might not have known how to lure the dragon to the Sats Dragon.
It’s much easier now!
With Yu Yiyun's unremitting efforts, he has grasped the weaknesses of the major dragon tribes and knows how to provoke them.
At night, the little dragon took advantage of the big dragon's sleep and worked hard all night.
The next day, several groups of herbivorous dinosaurs woke up and found that the eggs that had been stolen a few days ago and eggshell fragments appeared near their territory, with the smell of their natural enemies on them.
Even ferocious herbivorous dinosaurs rarely took the initiative to provoke their natural enemies to avoid meaningless injuries.
However, there is one exception.
Herbivorous dinosaurs laid fewer eggs and were more family-oriented than carnivorous dinosaurs, cherishing their next generation very much.
The dragons were furious when they discovered that the enemy beast had eaten their eggs and threw the eggshells back at them!
"roar!"
"ah!"
“Buzz!”
Having won a great victory in the battle with the Tyrannosaurus Rex, the Satyrsaurus is proudly touring its new territory and celebrating its victory with great joy.
Suddenly, a large group of giant dragons came running from the distance.
Herbivorous animals have relatively weak territorial awareness, and in seasons when food is abundant, herbivorous dinosaurs can peacefully share a piece of grassland.
At this moment, they have a common enemy. Several groups of dinosaurs gather into a super dinosaur team and stage a conquest that even movies dare not film.
Yu Yiyun hid in the distance, admiring the prehistoric war that she had planned herself, and shrank her neck in fear.
Help!
They must not know who stole the eggs.
[shivering.jpg]
The Satusaurus experienced the horror of the herbivorous dinosaurs in this area, and was so scared that it ran away without looking back, and the huge population was scattered.
Yu Yiyun took advantage of the dragon chaos and picked up a few large pieces of meat that no dragon wanted and took them home.
Hunting is so easy sometimes.
In the next few days, the temperature became higher and higher, and it was estimated to be several degrees higher than the equator more than 60 million years later.
Yu Yiyun took good care of Dandan and kept the nest moist, for fear that her younger brothers and sisters would be dried out by the sun.
Anyone who has raised birds knows that the size of the eggs determines the upper limit of the size of the newly hatched chicks.
Dragon eggs are small in size, so the newly hatched dragon is not very big, and the time it takes to develop inside the egg is not too long, about two or three months.
Yu Yiyun counted the days, and after about two months, the first dragon egg moved, and the little dragon inside stretched out its claws through the eggshell.
"Wow!" Baby!
Yu Yiyun shouted excitedly, took out the egg that was about to hatch, and cheered her on through the eggshell.
Reptile eggs are different from bird eggs. They are soft and cannot be cracked from the outside.
The hatchlings from soft-shelled eggs either have egg teeth like snakes, or use their claws and millet-grain teeth to tear the eggshells apart.
Tyrannosaurus Rex had no horns or egg teeth on its head, so it had no choice but to tear the eggshell apart.
The unhatched Tyrannosaurus Rex has little strength, and tearing the eggshell is a difficult process.
Yu Yiyun's claws were too big. If she moved the tips of her nails even slightly, the cub inside might be stabbed to death, so she didn't dare to lend a hand to help.
When the aunt heard the little dragon calling, she came over to take a look. Seeing her own cub struggling, the aunt tilted her head in confusion.
"Buzz?" What is this?
Yu Yiyun held the testicles and showed them to her aunt.
"Wow!" You kid!
The aunt came closer, blinked her eyes as big as grapefruits, glanced at the little thing that was only as big as its nostrils, looked like she had no interest, and turned away.
Let me repeat the ancestral motto of Tyrannosaurus Rex:
Only the strong are worthy of being my children!
Seeing that she was like most dragon mothers, not caring at all about the little dragon hatching, Yu Yiyun sighed.
The baby dragon has limited physical strength. If it cannot break out of the shell quickly, it is likely to suffocate to death inside.
Yu Yijun was unable to help. He rolled his eyes around and ran to a familiar place to catch a Microraptor.
Microraptor is the equivalent of a crow in prehistoric times. It had a diverse diet and ate everything, including dinosaur eggs.
This little raptor had bad luck and was often caught by Yu Yiyun for climbing trees and harassing the Prosimian. Over time, it became a habit.
"Hoo hoo?" What's the matter again?
Microraptor knew that the giant dragon would not kill it every time it caught it, but would take food out of its teeth and give it to it, so it was not afraid.
Yu Yiyun said nothing and stuffed the dragon egg that was about to hatch into the Microraptor's arms.
"Hoo!" Dragon egg!
“Huhu?” Am I worthy of eating such good food?
The little raptor's eyes lit up with joy. Holding the big dragon egg that was heavier than itself, it opened its little mouth and nibbled around it. With all its strength, it finally made a triangular hole in it.
As soon as there was a crack on the surface of the dragon egg, the little dragon inside immediately stretched out its claws and stomped hard on the face of the Microraptor.
“…Huh?”…This is different from what we agreed.
Before it could figure out what had stepped on its face, Yu Yijun had already been brought back with the successfully hatched dragon egg, and he found a piece of rotten meat to get rid of the Microraptor.
"Hoo-hoo?" Wait?
"Hoohoo..." I want to eat eggs...
The Microraptor was halfway through protesting when it met Yu Yiyun's eyes that looked like he wanted to kill the dragon. It was so scared that it immediately ran away with the rotten meat.
After running a long distance, the Microraptor, which was used as a shell-opening tool, cried out angrily.
"Huh!" Bad dragon!
"Huh!" Don't let me see you again next time!
The next day, Microraptor finished eating the carrion and prepared to climb up a tree to harass Propithecus.
Halfway through the climb, a big blingbling eye appeared next to it.
"Wow." Hello, Microraptor.
"Wow?" Do you have time to do me a favor?
The Microraptor silently jumped onto his outstretched claw and picked at one of the fingers, silently cursing that the dragon would become as small as itself sooner or later.
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