Monster Hunter World

Kulu Ya Ku: an Ecological report

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Hello hunters! a while back i decided to take an in-depth look on all the monsters of this game, to see how they functioned in their environments, and to discern just what makes them tick. Unfortunately, I've been a bit tied up recently, so this is the first one in a while (there's a link at the end if you wanted to read more reports such as this one)….

Kulu Ya Ku has been noted by many researchers as an incredibly intelligent wyvern, sticking out even among the often cunning group of bird wyverns. By hunters, it is often seen as a surprisingly adorable creature, one that truly sticks from many of the vicious monsters that they face. In my opinion, both are true statements, and that was what initially attracted me to researching this wyvern.

Habitat and Territory: Despite Kulu Ya Ku's aggressive behavior, it seems that this tenacious wyvern holds no turf of it's own, instead choosing to dart into nests and grab eggs, before fleeing to out of the way locations where it can devour its prize in relative safety.

One trait that i observed in Kulu Ya Ku was that in both of its habitats, it often took longer routes to get from place to place, such as to nests, or even just traversing its preferred locales. This seems to be one of the major ingenious ways that Kulu Ya Ku avoids being becoming a meal to the numerous massive predators that it shares its environment with.

Relations with other monsters: Though Kulu Ya Ku may be one of the least physically imposing creatures of the new world, this plucky bird wyvern has found a way to save itself on the rare occasion when it encounters another large monster.

Like its cousin Tzitzi Ya Ku in the Coral highlands, the Kulu Ya Ku uses something that other wyverns would never see coming to avoid bloody confrontations. While Tzitzi Ya Ku uses its potent flashes, Kulu Ya Ku takes a far more blunt approach to avoiding conflict. When met by a creature that it perceives as a threat, Kulu Ya Ku will immediately dig up a large rock. After roaring, it will throw its rock at the monster before bolting away to safer areas.

This seemingly random aggression initially made little sense to me when I first started researching Kulu Ya Ku's patterns, however with more thought it seems as though this would be used to distract monsters to bide time for a quick exit. After all, many monsters will chase down a fleeing foe instinctively, and as such Kulu Ya Ku must find a way to divert attention away from its escape lest it be pursued.

And What better way to tie up a potentially aggressive monster than with a rock to the face? Even with monsters such as Pukei Pukei and Great Jagras who would seemingly pose little threat to it, Kulu Ya Ku will hurl rocks at them upon encounter. Thus, I believe that what many believe to be aggression on Kulu Ya Ku's part is simply precaution, though i would love to hear what my colleagues think on this notion.


when in the act of poaching (couldn't resist) eggs from the nests of large predators, it can sometimes run into the owners of these nests. While great Jagras seems oddly nonchalant about the survival of its clutch, Rathians will fiercely attack Kulu Ya Kus when they sneak into their underground nests.

Unique Feeding Habits: While most large monsters of the New World eat their prey on the spot, with Kulu Ya Ku's short stature and ability to enrage the monsters whose eggs it is stealing, this is a luxury that it cannot afford.


As such, Kulu Ya Ku often takes the eggs it steals in its arms and runs with them towards a safer location to eat. While it approaches nests at walking speed, nearly every time it exits these nests it will do so in full pelt.

Furthermore, when pilfering the nests of more dangerous monsters such as Rathian, Kulu Ya Ku can often be seen taking extra precautions to assure its safety.Kulu Ya Ku will always go underground in the cave entrance in the swamp, before walking down to the Rathian nest. Because Rathian is a flying wyvern, any monster hoping to steal its eggs would have to find a way to avoid being spotted from a distance, a tactic which Kulu Ya Ku has mastered. After snatching one of Rathian's eggs, Kulu Ya Ku will dash back to its own nest, the gooey prize tucked safely in its arms.

Because Kulu Ya Ku is holding an already small egg close to its body, it makes it far harder for a Rathian to know that it is carrying its eggs from the air, and if Rathian doesn't know that Kulu Ya Ku is carrying its eggs, it wouldn't perceive the bird wyvern to be a threat to its clutch. After all, to the Rathian, the Kulu Ya Ku is merely running away from its nest, which would be exactly where the Rathian wants it to go.

While the geography of the Wastes allow Kulu Ya Ku to have a safe approach to a Rathian nest, no such easy path to the Rathalos nest in the Ancient Forest exists, thus explaining why this is the only nest that Kulu Ya Ku will never go to.

Though the Kulu Ya Ku is able to outfox the Rathian through this strategy, it can fail if the Rathian is awake at her nest when Kulu makes its approach. This results about how most would expect, with the eternal thief finally getting his comeuppance through the fireballs and tailslams.

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Kulu Ya Ku is ultimately an incredibly smart wyvern, who manages to compensate for its shortcomings with its heightened intelligence. Like Tzitzi Ya Ku, it can navigate a veritable sea of more powerful foes with nothing more than its wits, and a rock at its side. Thus, one can observe why many hunters and scholars of all fleets love this creature, we cannot help but see a bit of ourselves in this plucky wyvern. Like us they take only their weapons and traverse dangerous environments, and they manage to survive. While they obviously haven't achieved sapience, this parallel is quite fascinating, and is what drives many to adore this monster, despite its tendency to devour the young of other large monsters….

Well, really hope you enjoyed that further look into what makes Kulu Ya Ku tick. If you have any opposing theories about why this monster exhibits the behavior it does, I would love to hear it down below. Also, if you have a monster that you would like to see researched in this fashion, let me know.

Also, I know the other reports are from egassem_sdrowkcab, and this one is from egassem_sdrokcab2, but that's because I'm an id*ot who forgot his Reddit password, not trying to take credit for other people's work

link to last report

link to Tzitzi Ya Ku report for relevance

Original link

© Post "Kulu Ya Ku: an Ecological report" for game Monster Hunter World.

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