Sea Otters' Failure to Thrive Confounds Researchers - The New York Times
More than just a cute face: What otters can tell us about the health of the environment – Washington Sea Grant
Conservation: An Otterly Amazing Comeback
River otters (Lontra canadensis) “trapped” in a coastal environment contaminated with persistent organic pollutants: Demographic and physiological consequences - ScienceDirect
Otter-Iron on Kitspace
Wildlife Health Center / School of Veterinary Medicine - Sea Otter Project
Otter study shows PCB, pesticide exposure | Outdoors | daily-journal.com
PCB levels in otter and stone marten | Download Scientific Diagram
Mason, C. (1997). The Significance of PCBs in Otters at National and Regional Scale. IUCN Otter Spec. Group Bull. 14 (1): 3 - 12
Penis bones are shrinking in otters, scientists say - CBS News
Chesapeake Bay Otter Alliance
https://www.facebook.com/SeaOttersofmontereybay/photos/pcb.2010575569054145/2010575162387519/?type=3&theater | Sea otter, Otters, Sea
The Otter
Wildlife Health Center / School of Veterinary Medicine - Sea Otter Project
Studies Show North Carolina's River Otters Are Thriving, And That's Good News For All Of Us | WFAE 90.7 - Charlotte's NPR News Source
Persistent pollutants exceed toxic thresholds in a freshwater top predator decades after legislative control - ScienceDirect
The River Otter---surprising little clown
The Marine Mammal Center | Cancer in Wild River Otters
Increasing Concentrations of Perfluoroalkyl Acids in Scandinavian Otters (Lutra lutra) between 1972 and 2011: A New Threat to the Otter Population? | Environmental Science & Technology
Natural history
Otters are thriving. That's great for all of us. - North Carolina Health News
Otter-Iron on Kitspace
PCB levels in otter and stone marten | Download Scientific Diagram
WildlifeLove: River Otters Play in the Valley Again - Scenic Hudson
Mammals
