Marbled Murrelet Monitoring Oregon

Marbled murrelets nest in oregon from mid april to mid september.

Marbled murrelet monitoring oregon.

Marbled murrelet 5 year review pdf 880 kb evaluation report for the marbled murrelet 5 year status review pdf 7 mb regional population monitoring of the marbled murrelet. 2003 methods for surveying marbled murrelets pdf 3 mb. Recovery of the murrelet. News times newport or 08 22 2018.

2018 marbled murrelet status review. Studying the elusive murrelet. Recognition and appreciation for assistance on the president s ecosystem management assessment team 1993. The sexually mature adult murrelet at age 2 or 3 of an average 15 year lifespan generally lays a single egg on a mossy limb of an old growth conifer tree.

The marbled murrelet brachyramphus marmoratus is a small seabird from the north pacific it is a member of the auk family. It nests in old growth forests or on the ground at higher latitudes where trees cannot grow. Field and analytical methods pdf 1 6 mb 10 year report for the northwest forest plan. Oregon seabird facing dual threats as forests burn and oceans warm study says.

Oregon state university thomas g. Marbled murrelets require late successional forests with specific nest tree characteristics. The species is currently listed as state endangered in both washington and california. Field and analytical methods introduction marbled murrelets brachyramphus marmoratus range from alaska to california and are federally listed under the u s.

Scott publication fund award 2000. From sea to tree scientists are tracking marbled murrelets with rising precision. Marbled murrelet populations have trended down as well by about 4 per year in washington between 2000 and 2017 though increases have been seen in at sea surveys conducted in oregon researchers. Murrelet chicks are virtually helpless at hatching.

Endangered species act as threatened in washington oregon and california usfws 1997. Marbled murrelets are adversely affected by reductions and modifications to late successional forests. Its habit of nesting in trees was suspected but not documented until a tree climber found a chick in 1974 making it one of the last north american bird species to have its nest. Both sexes incubate the egg in alternating 24 hour shifts for 30 days.

The oregon marbled murrelet project has been fortunate to partner with the osu college of earth ocean and atmospheric sciences to use the r v pacific storm in combination with zodiac boats for night captures of marbled murrelets. Regional population monitoring of the marbled murrelet. The marbled murrelet was listed as threatened under the federal endangered species act in 1992 and threatened under the oregon endangered species act in 1995.