Habitat loss and fragmentation due to urbanization are the most pervasive threats to
biodiversity in southern California. Loss of habitat and fragmentation can lower migration …

The Puente-Chino Hills, extending west into the highly urbanized Los Angeles Basin,
represent one of the largest expanses of lowland habitats in the region. During spring and …

The system used in this volume to rank the conservation needs of at-risk birds—Bird Species
of Special Concern—in California is new for the state but builds on an impressive foundation …

We provide an overview of the distribution of lowland and otherwise isolated populations of
the western gray squirrel (Sciurus griseus) in the Los Angeles area of southern California …

Wildlife corridors, used by species to migrate, breed, and feed, are increasingly believed to
be one of the most effective tools available today for the conservation of biological diversity …

Abstract The historical Ballona Wetlands in coastal Los Angeles County were once one of
the most significant coastal wetland systems in southern California, but were greatly reduced …

2. EXECUTIVE SUMMARY At more than 4,000 acres, Griffith Park is one of the largest
municipal parks in the US It is also one of the wildest, with rugged, chaparral-cloaked slopes …

This survey reports on the results of a spring/summer wildlife and plant survey of six open
space parcels just north of Downtown Los Angeles, a region of low hills straddling the Los …

Grasslands are one of the most threatened and altered ecosystems in the world. These
ecosystems are also severely under protected. Grassland songbirds have suffered …

El presente trabajo se realizó en el Rancho Loreto, San Fernando Tamaulipas, México de
mayo del 2008 a abril del 2009. El objetivo del estudio fue determinar la importancia y uso …