A fat, colorful duck was full and waddling on the ground. Although locusts were still flying around in large numbers in the sky, it was powerless.
Other colorful ducks also ate to their fullest one after another. Even if some ducks couldn't swallow, they still had a locust in their mouths. The locust's legs moved a few times from time to time, obviously not dead.
The colorful pheasants and unicorns were not full because they ate slowly.
But they are no longer picky about food, and only choose those locusts that look more delicious.
"Chief, I discovered a problem." Dajiao walked to Jiang Xuan.
"What's the problem?"
Jiang Xuan felt very bad when he looked at the locusts still densely packed in the sky, frantically eating the leaves.
Dajiao said: "Whether it is a colorful duck, a colorful pheasant, a one-horned bird, including the giant frogs of the frog tribe, when they eat locusts, they will choose the green locusts to eat, and they will not touch the brown locusts, even the brown locusts.
If you encounter it, you will stay away."
When Dajiao said this, Jiang Xuan took a closer look and found that this was really the case.
Almost all the animals brought here only eat the green locusts, and they are like shunned by the khaki locusts, and will not get close to them at all.
It's just that because there are so many locusts, most people don't notice this problem.
Why is this happening?
Jiang Xuan felt very strange about this. The brown and green ones were both locusts. Are the green locusts more delicious?
At this moment, Dajiao said: "I think those brown locusts may be poisonous."
"Toxic?"
"Yes, animals are born with the ability to distinguish which things can be eaten and which things cannot be eaten. Generally, most of the things they do not eat, or even actively avoid, are poisonous."
After Dajiao's reminder, Jiang Xuan suddenly remembered some information about the locust plague that he had read in his previous life.
Locusts are non-toxic when they are not gathering. Various birds will prey on them, and the population size is relatively balanced.
Once locusts gather on a large scale, they will activate the group defense mechanism, continuously mutate, and produce moderately toxic phenylacetonitrile in their bodies.
This toxin will emit a peculiar smell, and birds will avoid it after smelling it.
What’s even more frightening is that when locust swarms are attacked and threatened, they will immediately convert phenylacetonitrile into highly toxic hydrocyanic acid.
Hydrocyanic acid, a highly toxic substance, can be fatal if eaten.
Therefore, once locusts gather on a large scale, almost no natural enemies will approach them and restrict their reproduction.
Locust swarms without natural predators will grow larger and larger, eventually turning into a terrible disaster.
The locusts in front of Jiang Xuan are locusts that have gathered on a large scale.
Moreover, these locusts are being attacked and threatened, which means that their bodies may already contain highly toxic substances.
But there are always exceptions to everything.
The locust swarm is so huge that it is impossible for all locusts to be highly poisonous.
Those locusts with brightly colored bodies and strong aggressiveness are naturally inedible, but those green locusts are actually still in the larval stage and are non-toxic and edible.
The poultry brought by the Vine Tribe and the giant frogs of the Frog Tribe prey on the green locusts.
Jiang Xuan frowned and said: "I forgot that the locusts that caused the disaster are poisonous. It seems that it is impossible to eliminate these locusts by eating them."
"Chief, what should we do?"
"Yes, there are too many locusts."
Huo Meng, the leader of the Frog Tribe, also walked over, looking very sad.
Although the frog tribe developed rapidly, after all, when they first migrated to the Southern Wilderness, the population was only over 200, and there were only a few dozen giant frogs left.
In the past two years, the frog tribe has attracted tourists on a large scale, with a population of only five to six hundred. The giant frogs have reproduced very quickly, and the number of adult giant frogs has reached thousands.
Even so, Huo Meng still felt a sense of fear when facing the overwhelming locusts.
Because giant frogs cannot resist so many locusts, and the frog tribe has learned planting from the vine tribe and has just tasted some benefits.
If these locusts are allowed to continue to advance, the crops of the frog tribe will definitely not be saved.
Jiang Xuan pondered for a moment and said: "Don't worry, there is always a solution to the problem, but we haven't found it yet."
Huo Meng was a little helpless, but he really didn't think of any good way. He could only continue to direct the giant frogs and frog tribe soldiers to kill the locusts.
On the third day, although the Vine Tribe and the Frog Tribe worked hard to kill the locusts, the number of locusts could not be controlled at all, and another forest was gnawed away.
On the fourth day, the mountain turtle tribe and the spiny fly tribe arrived and joined in the action of culling the locusts. However, because the mountain turtles and spiny flies did not eat locusts, they had to rely on manual capture, which was extremely inefficient.
On the fifth day, things took a turn for the better, because the bird tribe came and they brought a large number of birds.
These birds are much better at dealing with locusts than other animals.
They go around the back of the locust swarm and specifically prey on the locust larvae that have not yet changed color. They are very efficient.
On the sixth day, the One-horned Tribe also arrived, but those One-horned Fairies did not eat the locusts, they just helped capture them.
As for the Giant Claw Tribe, Jiang Xuan did not send anyone to ask them to come over for help because they were too far away.
With the efforts of the six tribes and surrounding small tribes, the progress of the locusts was greatly slowed down, but that was all.
Because there are too many locusts, and locusts from the northwest are still flying here in a steady stream.
Compared with the huge swarm of locusts, the few locusts they killed were nothing at all.
Moreover, when the time came to the seventh day, an even more terrifying thing happened.
The locust swarms continue to mutate, and a large number of black and red giant locusts gradually appear!
Unlike the previous locusts, the black and red locusts are highly poisonous from the larval stage. Birds will fly away immediately when they see them, as if to avoid the god of plague.
Moreover, these locusts are several times larger than ordinary locusts. When they reach adulthood, they even dare to attack birds. They are very ferocious and crazy.
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Seeing that the locust swarms are getting bigger and bigger, there are more and more mutated and poisonous locusts, and they are devouring the forest faster and faster, the people of several tribes are finally desperate.
In fact, except for the Teng tribe, other tribes do not have much food reserves at all. They cannot spend all their time culling locusts, otherwise they will starve to death.
Although locusts that have not changed color can be eaten after being roasted, they cannot be used as a staple food. Moreover, warriors from several tribes vomited after eating them and felt nauseated when they saw the locusts.
On the tenth day, the leader of the Dujiao tribe took the lead in finding Jiang Xuan and told him tactfully that he had to go back, otherwise the tribe would starve to death.
Jiang Xuan had nothing to do about this. After all, the One-horned Tribe was not a subordinate tribe of the Vine Tribe. It was just here to help. It was good to be able to persist for so many days.
After the One-Horned Tribe left, the Bird Tribe persisted for a few days, but could no longer stand it any longer. Their birds were attacked wildly by mutated locusts, and they lost a lot of money.
Soon, the bird tribe also left.
Before leaving, the leader of the Que Tribe even advised Jiang Xuan: "Chief Xuan, give up. These locusts are attacking more and more, and they are becoming more powerful. It is impossible to solve them."
Jiang Xuan shook his head and said: "Even if we give up now, it won't be long before the locusts will eat all the way to our territory. By then, the forest will be eaten up, and there will be no escape."
The leader of the Que tribe opened his mouth, but had nothing to say, because what Jiang Xuan said was true, he couldn't persuade the Teng tribe to migrate, right?
Therefore, the leader of the Que tribe said nothing and left with his soldiers.
After the Horned Tribe and the Bird Tribe left, it was even harder for the remaining tribes to hold on, and the constantly mutating locusts made them unable to withstand it.
Do we really have to give up and let these locusts eat up the forest?