Marbled Murrelet Population

Restore nesting habitat that will sustain a viable marbled murrelet population.

Marbled murrelet population.

Fish and wildlife service and other state federal and private researchers to participate in a program to estimate marbled murrelet population size. 1 population falxa et al. 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. The age at which they begin breeding is unknown but it is assumed to be about two years.

2016 2 nesting habitat raphael et al. At sea marbled murrelet population monitoring since 2000 wdfw has joined usda forest service pacific northwest research station u s. Publications that include recent population and habitat monitoring results in detail include the three chapters in the 20 year murrelet report. Subsequent intensive at sea population surveys have revealed that only 4 000 murrelets give or take a thousand exist off the coast of redwood national and state parks.

A wdfw biologist examines a marbled murrelet for a diet research project teresa lorenz u s. 2003 methods for surveying marbled murrelets pdf 3 mb. A unique and threatened seabird. Field and analytical methods pdf 1 6 mb 10 year report for the northwest forest plan.

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. Marbled murrelets brachyramphus marmoratus are small seabirds that nest in old growth forests and feed in the pacific ocean murrelets need large areas of coastal and near coastal old growth forest for nesting. It nests in old growth forests or on the ground at higher latitudes where trees cannot grow. Marbled murrelets have a protracted breeding period with the individuals of a population not all breeding at the same time.

The marbled murrelet brachyramphus marmoratus is a small seabird from the north pacific it is a member of the auk family. They avoid fragmented and partially developed forest landscapes and are declining rapidly in washington and listed as a state endangered species. Fws s threatened endangered species system track information about listed species in the united states. Under the plan monitoring is an essential component and is designed to help managers understand the degree to which the plan is meeting this objective.

This report describes methods used to assess the status and trend of marbled murrelet popula tions under the plan. Marbled murrelet movements are not well understood either but the birds carry out partial migrations outside the breeding season.