Current Zoology(formerly Acta Zoologica Sinica),   Dec. 2004, 50(6): 991 - 1001
Title: Birds as dinosaurs(In English)
Authors: Paul C. SERENO
 D e p a r t m e n t   o f   O r g a n i s m a l   B i o l o g y   a n d   A n a t o m y ,   a n d   C o m m i t t e e   o n   E v o l u t i o n a r y   B i o l o g y ,   U n i v e r s i t y   o f   C h i c a g o ,   1 0 2 7   E a s t   5 7 t h   S t r e e t ,   C h i c a g o ,   I l l .   6 0 6 3 7 ,   U S A 

   The “great debate” over bird origins may never have transpired had the now-famous furcula-bearing, feathered dinosaurs from Asia surfaced when the beds in which they were interred were first discovered in the 1920s. Compelling fossil evidence is now to hand that places birds as a specialized clade within theropod dinosaurs. Major insights include a more seamless fossil record linking birds and non-avian dinosaurs, clear evidence of an early pre-avian origin for feathers and other features previously known only among birds, together with an underscoring of the importance of miniaturization for the evolution of powered flight and a broadening of the functional scenarios for how powered bird flight was first achieved [Acta Zoologica Sinica 50(6): 991 - 1001, 2004].

Keywords: Dinosaurs, Birds, Flight, Archaeopteryx, Evolution

*Correspondence should be addressed to Paul C. SERENO (

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