Summary:
- The discovery of a 62-million-year-old fossil of a tiny penguin-like bird sheds light on the evolution of penguin wings. The fossil, named Waimanu manneringi, had wings that were more similar to modern penguins than previously thought, suggesting that the ancestors of penguins used their wings for swimming and flying.
- The findings indicate that the ancestors of penguins evolved wings that were useful for both flying and swimming, before eventually losing the ability to fly as they became more specialized for an aquatic lifestyle. This provides insights into the evolutionary transition from flying birds to flightless, wing-propelled diving birds like modern penguins.
- The study highlights the importance of fossil discoveries in understanding the evolutionary history and adaptations of different species, including the iconic penguins we know today.