>>26789687Yungoos comes from how they released mongeese into Hawaii in real life to combat growing populations of certain types of pests. What ended up happening, if I remember correctly, was that the mongeese became highly invasive and started hunting many bird populations into near extinction or something like that.
Pikipek, based off the pileated woodpecker, is not endangered. But, a close relative of it - the ivory beaked woodpecker - is critically endangered.
Grubbin appears to be the larva of the Coconut Rhinoceros Beetle, which is a highly invasive species of beetle in Hawaii that causes a lot of damage to the local plantlife.
