Kikwis were already endangered in Skyward Sword era. The octoroks were an invasive species which had offensive power that the kikwis lacked. As a result Octoroks became a species with large population whereas kikwi populations decreased drastically.
THEORY 1:
Finally, mutants like Bucha...
Hey Zelda fans, I recently uploaded a project to Lego Ideas featuring the Guardian Stalker from Breath of the Wild. If it gains 10,000 supporters, The Lego Group will consider making it a real Lego set. You can find the project here...