Investigation starts into disappearing seals in Wadden Sea

A two-year international investigation has started this week into dwindling common seal numbers in the Wadden Sea. The research project, carried out by Dutch, German and Danish scientists, may uncover clues as to why common seal pups fail to reach maturity. Common seals and grey seals make up the seal population in the Wadden Sea but while grey seals are doing well, common seal numbers have been declining. Just 7,211 common seals were counted in the Dutch part of the...