The IUCN Otter Specialist Group bulletin's current issue and archives are available online at http://www.otterspecialistgroup.org/Bulletin/IUCNOSGBull.html.
Sources
- IUCN Otter Specialist Group bulletin | IUCN Library System (portals.iucn.org)
- http://www.otterspecialistgroup.org/Bulletin/IUCNOSGBull.html (otterspecialistgroup.org)
- https://www.oalib.com/journal/11570/1 (oalib.com)
- https://procarnivoros.org.br/en/animais/neotropical-otter/ (procarnivoros.org.br)
- https://cuksclibinfopage.blogspot.com/ (cuksclibinfopage.blogspot.com)
- https://www.iucnosgbull.org/Volume23/Vol23_Iss1_OSGNotes.html (iucnosgbull.org)