One possibility was pneumonia which could spread to other types of seals. Sometimes these natural processes start slow. We can only hope. I always thought our only chance at seal population control was some natural occuring disease. Natures way.
DZ
DZ
Recreational Surfcaster
"Limit Your Kill - Don't Kill Your Limit"
Bi + Ne = SB 2
If you haven't heard of the Snowstorm Blitz of 1987 - you someday will.