Today we're venturing into the prehistoric era to look at some of the largest birds to have ever lived. We're lucky some of these birds don't exist anymore!
The Top Fives original show brings you informational and entertaining top five videos! Join us and subscribe for more.
Several segments are licensed.
Follow us on Facebook!
[ Ссылка ]
![](https://i.ytimg.com/vi/GcgxVezZBg8/maxresdefault.jpg)