The same can be said of birds with teeth, such as the quetzal and hoatzin of South America and their cousin, the archeopteryx
. Due to their genetic code, these creatures can produce offspring only of their own kind.
It is called archeopteryx
(from Greek words meaning "ancient wing").
The still-unnamed Chinese bird is about 10 million to 15 million years younger than the oldest known bird, Archeopteryx
, and displays several flight features that the cros-sized Archeopteryx