At around the size of a domestic chicken, Kiwidon is by far the smallest living ratites, and lays the largest egg in relation to his body size. His DNA sequence comparison have yielded the surprising conclusion that he is much more closely related to the elephant bird than to the moa. Kiwidon is currently vulnerable and endangered. He has been negatively affected by historic deforestation but currently the remaining large areas of his forest habitat are well-protected.
He is a copper kiwi with gray eyes, a silver beak and feet, and his tail is made out of green leaves.
- Kiwidon is the only Bird Psymonster with no wings.
- Kiwidon was one of the flightless Bird Psymonsters.
- He appears to have a green leafy tail instead of a normal tail.