A new species of Mesozoic bird from the Jehol deposits in Liaoning Province was published on December 31 in Current Biology provides strong evidence that enantiornithines possessed aerodynamic rectricial fans. The new species is a member of the family Pengornithidae, the most basal recognized lineage of enantiornithines. The tail of the new species is formed by approximately ten feathers overlapping to form a cohesive surface capable of generating lift (tail fan). This is the first unequivocal evidence of an aerodynamic tail morphology in the Enantiornithes, suggesting for the first time that rectricial bulbs may have been present in enantiornithines.
Two U.S. scientists, who were among the seven recipients of China's International Cooperation Award in Science and Technology on Friday in Beijing, said they were thrilled to be awarded the highest Chinese honor in science for foreigners.
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