Fluctuations in the Otter Population in Parts of South-West England IUCN James Williams,1986

Blindness in Otters 1989 IUCN   James Williams 1989

Dietary Analysis of Otter Spraints in Trout and non-Trout Waters. Bishop, Leeds Univ. 1992

Blindness in otters, Mammal News.  James Williams 1993

Otters in Andalusia, Spain 1995 IUCN  James Williams and Martin Jacoby 1995

Recent Otter Records from Central Morocco 1995 IUCN  Martin Jacoby and James Williams 1995

A Review of otter records from the Brue valley, 1970-2000  James Williams 2001

Otter Distribution on the River Brue, Waters, Glamorgan Univ, 2001

Cholecystitis in otters and mink caused by the Fluke Pseudamphistomum truncatum. Simpson, Williams et al., the Veterinary Record 2005

North-West Taunton Transport Package, Otter Monitoring,  Koblizek. Peyton and Johnson, SERC 2006

The Distribution of Opistorchiid Fluke (Bile Fluke) eggs in otter spraint on the Somerset Levels, 2009  Simone Gentner, Nottingham University, 2009

The importance of birds in the diet of otter on Shapwick Heath, de la Hey, Bath Spa Univ. 2008

Do Eurasian Otters prey preferentially on Non-native Fish? Miranda, Williams et al. , Journal of Fundamental Limnology, 2008

Eurasian Otter Autumn Diet and adaptation to Prey Availabilty in the River Tone, Hunter, Sparsholt College, 2010

Sprainting site preference of European Otter,  2011  Jo Pearse, Bournmouth University, 2011

Detecting the presence of the European Otter in areas facing Urban Development, 2011  Lisa Stephens, Bournemouth University, 2011.

The use of DNA Fingerprinting to study the population dynamics of otters (Lutra Lutra) in Southern Britain. A feasibility study. Coxon, Chanin, Dallas, Sykes. This lengthy report is split into three sections – Introduction,  Discussion and Analysis. A single pdf can be found at www.gov.uk/government/publications.