Marbled Murrelet Predators

About 30 to 40 days after hatching the young marbled murrelet takes its first flight and goes all the way to the ocean.

Marbled murrelet predators.

Assuming that corvids are the most important predators larger reserves of habitat will lessen negative hard edge effects. Predation rates on murrelet nests appear higher than other alcids perhaps with the exception of areas with. They feed primarily on fish and invertebrates in near shore marine waters although they have also been detected on rivers and inland lakes. It is also known that the major.

No marbled murrelet nests are known to have been destroyed by mammalian predators although raccoons procyon lotor marten martes americana fisher martes pennanti and several species of rodents are potential predators. Threats in the form of gill nets and oil spills affect this species as well. Related to puffins murres auks size 10 inches habitat surfline to 2 miles out plumage dark grey above white below winter. The marbled murrelet is listed as a federal threatened and state endangered species wac 220 610 010 in washington endangered means any wildlife species native to the state that is seriously threatened with extinction.

Throughout their range marbled murrelets are opportunistic feeders and utilize prey of diverse sizes and species. They typically lay their single egg high in a tree on a horizontal limb at least 4 inches in diameter with steller s jays crows and ravens the main predators of murrelet nests. The end goal for these birds is to be very secretive and quiet so predators don t find their nests and they can produce young said rivers. Steller s jays cyanocitta stelleri and common ravens corvus corax prey on marbled murrelet eggs and nestlings.

Marbled murrelet facts family alcidae. Smaller reserves should be embedded in a protective matrix of regenerating forest to reduce predation risk at. Brown mottled summer nest on old growth conifer limbs 2 30. It is well established that corvids are major predators of murrelet eggs and chicks hébert and golightly 2007 malt and lank 2009 golightly and schneider 2009.