IUCN/SSC Otter Specialist Group Bulletin

©IUCN/SSC Otter Specialist Group
Edited By: Dr Arno Gutleb
Online ISSN:1023-9030

The IUCN OSG Bulletin is the scientific journal of the IUCN/SSC Otter Specialist Group.

We publish peer-reviewed manuscripts containing information from original research that contributes to understanding of any aspect of the biology of the 13 otter species. Topics include investigations into physiology, ecology, conservation, status, diet, behaviour and can cover observations from the wild or animals in captivity.

The IUCN OSG Bulletin is indexed by: Scopus, Google Scholar, Scimago and EBSCO

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Latest Updates:
11th September 2025: Volume 42(4) New Paper added: Medina-Vogel, G., Soto-Ampuero, C., Delgado-Parada, N., Molina-Maldonado, G., and Calvo-Mac, C.. (2025). First Video Evidence of Interaction Between Introduced American Mink (Neogale vison) and Endangered Native Southern River Otter (Lontra provocax)
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31st August 2025: Volume 42(4): Opened, Editor Note and New Paper added: Carvalho-Junior, O., Esteves, P.S., and Tosatti, M. (2025). Hematological Profile of Neotropical Otters (Lontra longicaudis).
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11th August 2025: Volume 42(3): New Paper Added: Kanekal, N.A., Johnson, J.A., and Hussain, S.A. (2025). Distribution and Diet of Smooth-Coated Otters (Lutrogale perspicillata) in Tungabhadra Otter Conservation Reserve, Karnataka.
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Current Issue: Volume 42 Issue 4

A Neotropical Otter partly lying on its left site, with its front paws on a rock, and its head and shoulders raised up, looking at the camera. behind it is a gravel substrate and leafy branches. Image copyright VIctor Utreras.
Lontra longicaudis © Victor Utreras

Contents




Volume 39(A) (2022)
North American River Otter Lontra canadensis Bibliography 9th edition
A rock surrounded by rippling water. On the rock, a North American River Otter is holding a fish down with one paw while facing right with its mouth open; a second otter is climbing on top of it, and holding its left ear in its mouth - copyright Nesime Askin (OERS)
Lontra canadensis ©Nesime Askin (OERS)
Volume 39(B) (2022)
Neotropical Otter Lontra longicaudis Bibliography 5th edition
Neotropical Otter looking up at the camera, forepaws on a muddy surface with a small flowering vine - copyright Oldemar C Junior
Lontra longicaudis © Oldemar C Junior
Volume 39(D) (2022)
Sea Otter Enhydra lutris Bibliography 2nd Edition
Calm sea with head and forpaws of a sea otter, which is eating a clam. - copyright Nicole Duplaix
Enhydra lutris © Nicole Duplaix


Volume 38(A) (2021)
Lontra canadensis Bibliography 8th edition
A rock surrounded by rippling water. On the rock, a North American River Otter is holding a fish down with one paw while facing right with its mouth open; a second otter is climbing on top of it, and holding its left ear in its mouth - copyright Nesime Askin (OERS)
Lontra canadensis ©Nesime Askin (OERS)
Volume 38(B) (2021)
Lontra longicaudis Bibliography 4th edition
Neotropical Otter looking up at the camera, forepaws on a muddy surface with a small flowering vine - copyright Oldemar C. Junior
Lontra longicaudis © Oldemar C Junior



Volume 37(A) (2020)
Lontra canadensis Bibliography 7th edition
A rock surrounded by rippling water. On the rock, a North American River Otter is holding a fish down with one paw while facing right with its mouth open; a second otter is climbing on top of it, and holding its left ear in its mouth - � Nesime Askin (OERS)
Lontra canadensis ©Nesime Askin (OERS)

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