Count of common seals (Phoca vitulina) at Hvaler in outer Oslofjord, Norway, 1983

摘要

A survey was carried out on 10 August 1983 in order to count common seals,and all suitable haul out sites in the outer Hvaler area were examined.A total of 255 common seals were recorded in the area. The observed sealswere almost exclusively one year old and older moulting seals.One immature grey seal and one adult male grey seal were observed among thecommon seals.