Passenger Pigeon Specimens (IMAGE) University of California - Santa Cruz Caption DNA recovered from museum specimens, such as these in the Denver Museum of Nature & Science, enabled researchers to sequence and assemble mitochondrial and nuclear genomes of passenger pigeons. Credit Rene O'Connell Usage Restrictions For use only with news coverage of this research License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.