Marbled Murrelet Wildlife Habitat Area

Brachyramphus marmoratus is a federally threatened seabird that in washington oregon and california usa nests primarily in the canopy of old growth and mature forest hamer and.

Marbled murrelet wildlife habitat area.

The marbled murrelet hereafter murrelet. Both sexes incubate the egg in alternating 24 hour shifts for 30 days. Marbled murrelets occur along 4 000 kilometers of coastline extending from california to alaska. 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.

It is found in marine waters in general proximity to nesting habitat. Within this range they can be found up to 75 km inland. The definition of marbled murrelet murrelet nesting habitat is an important component of any assessment of murrelet exposure in the terrestrial environment. The marbled murrelet inhabits the nearshore marine environment in western north america.

It informs evaluations of exposure risk or likelihood of occupancy at the site scale and provides the basis for programmatic scale assessments. This theme depicts lands designated as critical habitat under section 4 of the endangered species act for the marbled murrelet in washington oregon and california. T he breeding range of the marbled murrelet extends from bristol bay alaska south to the aleutian archipelago northeast to cook inlet kodiak island kenai peninsula and prince william sound south coastally throughout the alexander archipelago of alaska and through british columbia washington oregon to northern monterey bay in central california. Marbled murrelets nest in oregon from mid april to mid september.

Some marbled murrelet nests in british columbia have been found in habitat that differs somewhat from the defined suitable habitat e g cliffs a deciduous tree isolated veterans in stunted stands but inclusion of all the possible habitat types likely to be used by murrelets becomes unworkable. Does not guarantee the reliability or. In washington this species is an uncommon resident. Whas designate critical habitats in which activities are managed to limit their impact on the identified wildlife element for which the area was established.

Habitat loss due to uncharacteristically severe fire is of particular concern in the klamath mountains ecoregion. Marbled murrelets are adversely affected by reductions and modifications to late successional forests.