what is a marbled murrelet
1 The marbled murrelet is a small seabird along the Pacific Northwest Coast with a slender black bill and plumage that varies in color by season. 2  Murrelets eat sand eels, herring, shiner perch, and more. 3  Unlike most other seabirds, marbled murrelets are solitary; they do not form dense colonies.arbled murrelets â small, shy seabirds that nest in old-growth forests and feed in the Pacific Ocean. Murrelets prefer large areas of coastal and near coastal old-growth forest. They avoid fragmented and partially developed forest landscapes. 1  More on murrelets from WDFW.