“Sunday Morning” leaves you today with seals sunning at the Parker River National Wildlife Refuge in Newburyport, Massachusetts (with some snowy owls looking on). Videographer: Michael Clark.

Parker River National Wildlife Refuge is a wildlife sanctuary encompassing the majority of Plum Island in northeastern Essex County, Massachusetts, 5 miles southeast of Newburyport. It was established in 1942 primarily to provide feeding, resting, and nesting habitats for migratory birds.

The harbour seal, also known as the common seal, is a true seal found along temperate and Arctic marine coastlines of the Northern Hemisphere. The most widely distributed species of pinniped, they are found in coastal waters of the northern Atlantic, Pacific Oceans, Baltic and North Seas.