Plus, the shortest days in Earth’s history              
		              
		              
		              
		              
		              
		              
		              
		              
		
		
    
   
    
        
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| ILLUSTRATION BY GABRIEL UGUETO, NATURKUNDE MUSEUM STUTTGART |  |  |  | 
            
              
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                      | “It's been a long time since I've been so blown away by a new fossil discovery,” said one paleontologist about the creature with a featherlike crest and a tail like a monkey. |  |  |  |  | 
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| PHOTOGRAPH BY MARTIN EDSTROM, NAT GEO IMAGE COLLECTION |  |  |  |  |  |  |  |  |  |  |  |  | 
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