*Waimanu* exhibits characteristics placing it in a transitional phase between which two stages of evolution?

Answer

Earlier, more generalized aquatic birds and the sleek, powerful swimmers recognized today

The specific characteristics of *Waimanu* show it occupied a middle ground, representing a stage between generalized aquatic forms and the highly specialized modern penguins.

*Waimanu* exhibits characteristics placing it in a transitional phase between which two stages of evolution?
evolutionmammalfossilWhaleWaimanu