Archaeopteryx lithographica is the earliest and most primitive known bird.
In the 1990s, the discovery of a number of well-preserved feathered dinosaurs solidified the link between dinosaurs and birds.
For more information about the topic Archaeopteryx, read the full article at Wikipedia.org, or see the following related articles:
Recommend this page on Facebook, Twitter,
and Google +1:
Other bookmarking and sharing tools: