>>49228746>>49228760In fact, the biology and behavior of kiwis would fit very well with the lore of the dodrio line, kiwis have a single huge egg for mating season, it occupies almost the entire coelomic cavity of the female, preventing she from eating during 3 days and it pains to be able to breathe, after laying the female leaves the egg in the care of the male, when the chick breaks the shell it is abandoned by its parents since it is totally independent.
This would explain why during its evolution it develops a head, the chick feels alone, and when it becomes Dodrio it moves in groups, when it is mating time the female deposits a single huge egg in a cave and leaves it and the cycle is repeat.