During fall the birds undergo a full body and wing moult into winter plumage with contrasting white bellies and dark upperparts. At fledging and through their first winter juveniles resemble winter ...

In 1974 at California's Big Basin Redwood State Park, the marbled murrelet — the “enigma of the Pacific” — won the distinction of being the last bird species in the United States to have its nesting ...

Marbled Murrelet researchers use radar to detect Marbled Murrelets flying in and out of coastal inlets. Radar surveys are conducted in the two hours before dawn and the first hour after dawn, when the ...

In 1974 at California's Big Basin Redwood State Park, the marbled murrelet — the “enigma of the Pacific” — won the distinction of being the last bird species in the United States to have its nesting ...

Redwood, which might be home to as much as 90% of the nesting murrelets in California, plays an outsized role in the species’ survival, so Bensen feels a heightened sense of responsibility to do all ...

The threatened marbled murrelet is an iconic Pacific Northwest seabird that's closely related to puffins and murres, but unlike those birds, murrelets raise their young as far as 60 miles inland ...

birds can still only produce a single young each year, and the nutrient-rich forage fish are essential for the baby murrelets’ proper growth and development. The marbled murrelets are usually ...