Penguin, 62 million years
The oldest penguin fossils date back to 62 million years ago. However, the ancestors of the penguins we know today date back to tens of millions of years ago. The gap between these 2 has raised many questions, especially about what happened to the older ones.
You are right Amos, everything was created in 7 days by a magic man in the sky.
Carbon dating is not relevant here since it only can date thing that are 50000 years or younger. There are other methods for older things. The theory of evolution makes sense and can explain a lot of the observations that have been done by scientists.