Conserving the Endangered Salt Marsh Harvest Mouse in the Modern San Francisco Estuary Katie Smith*, UC Davis, California Department of Fish and Wildlife, ratsmith@ucdavis.edu Recent research on the salt marsh harvest mouse (Reithrodontomys raviventris) has greatly improved Final Report: Salt Marsh Harvest Mouse Landscape Genetics and Connectivity within the SBARU ES-1 Executive Summary EXECUTIVE SUMMARY The salt marsh harvest mouse (SMHM) is a federally listed and listed endangered species endemic to the state They are trying to let them have a few population so they won't overpopulate again. A salt marsh harvest mouse is about the size of one’s thumb, largely nocturnal, and lives among the reddish pickle weed in the low tidal marsh—an area frequently subject to tidal inundation. I am indebted to the College of Social Sciences at San Jose State for providing me with a grant to hire a field assistant. Abstract: We evaluated interspecific habitat use within a salt marsh small mammal assemblage on Mare Island, Solano County, California, USA, from 1989 to 1992, with emphasis on the endangered salt marsh harvest mice (Reithrodontomys raviventris). But it has been in danger ever since the 1970 and Barack Obama is trying to help it by giving 30 … The salt marsh harvest mouse is an elusive Bay Area native that you may have come across in nature guides, open space signage, or construction and restoration work in a salt marsh. ... As for both harvest mouse species, fecundity and population growth rates for Mus were … Demography of the salt marsh harvest mouse (Reithrodontomys raviventris halicoetes) and associated rodents in tidal and managed wetlands Katherine R Smith. Deep in the pickleweed in the San Francisco, San Pablo and Suisun Bays, the tiny salt marsh harvest mouse (Reithrodontomys raviventris) tries to avoid predators and compete with other species for prime habitat.Food and cover are abundant, but its overall habitat is shrinking as humans encroach upon its home range. There are two sub-species, the northern subspecies and the southern subspecies. Invasive Species Compendium. Field identification of the species is difficult as they, particularly the northern subspecies, look similar to the western harvest mouse (R. megalotis). As the Habitat Restoration Director at Save The Bay, I am proud that my work leading volunteer and education programs can directly benefit nearby wildlife. But we never lose sight of the big picture. ... Reithrodontomys raviventris (salt-marsh harvest mouse) Index. Two species of Reithrodontomys raviventris are recognized. Facts Summary: The Salt Marsh Harvest Mouse (Reithrodontomys raviventris) is a species of concern belonging in the species group "mammals" and found in the following area(s): California. The salt marsh harvest mouse (SMHM, Reithrodontomys raviventris) is a state and federally listed endangered species that is only found in salt and brackish marshes of the Greater San Francisco Bay.