Edited by skessler, some rights reserved (CC BY-SA)
Photo Credits
- 1. (c) Smithsonian Institution, National Museum of Natural History, Department of Vertebrate Zoology, Division of Mammals, some rights reserved (CC BY-NC-SA)
- 2. (c) NOAA Photo Library, some rights reserved (CC BY)
- 3. (c) 科学出版社, some rights reserved (CC BY-NC-SA)
- 4. (c) WoRMS for SMEBD, some rights reserved (CC BY-NC-SA)
