Example of an extinct bird
Shanweiniao cooperorum was a species of Enantiornithes, which evolved separately from modern birds. It did not survive past the Cretaceous period.
Source
Boundless vets and curates high-quality, openly licensed content from around the Internet. This particular resource used the following sources:
"OpenStax College, Birds. October 17, 2013."
http://cnx.org/content/m44694/latest/Figure_29_05_05.jpg
OpenStax CNX
CC BY 3.0.
