TL : Your Otters have a genetic ailment , common in water mammals . " Hemorrhagic Leakage " , main symptom is snow turning red during winter months , in some situations other ground cover may develop reddish high lights . Most common symptom is the thinning of the skin in one or more locations , causing the "Leakage" . these thin spots in the skin may vary from ,177" to , in rare cases to as large as .458" in diameter, but .177" to .357" are most common. Seems to be a genetic disease , Hoping it doesn't spread to any Beavers , other Otters, Nutria, or Muskrats in your County , be just horrible, wouldn't it ? If others are found with the disease , recommended control elimination of all infected Female and male specimens.
