1 Department of Vertebrate Zoology, National Museum of Natural History, Smithsonian Institution, Washington, DC, 20004, USA. sdrovetski@gmail.com.
2 Department of Invertebrate Zoology, National Museum of Natural History, Smithsonian Institution, Washington, DC, 20004, USA.
3 Imperial College London, Silwood Park Campus, Ascot, SL5 7PY, UK.
4 Consortium for the Barcode of Life, National Museum of Natural History, Smithsonian Institution, Washington, DC, 20004, USA.
5 Department of Vertebrate Zoology, National Museum of Natural History & Center for Conservation Genomics, Smithsonian Institution, Washington, DC, USA.
6 Department of Biology, George Mason University, Fairfax, Va, USA.
7 USGS Patuxent Wildlife Research Center, National Museum of Natural History, Smithsonian Institution, Washington, DC, USA.
8 Department of Vertebrate Zoology, National Museum of Natural History, Smithsonian Institution, Washington, DC, 20004, USA.
9 Center for Macroecology, Evolution and Climate, National Museum of Denmark, University of Copenhagen, DK-2100, Copenhagen Ø, Denmark.