Science

Conservation Science Projects

Range-wide Oregon Vesper Sparrow Project

Vesper Sparrows (Pooecetes gramineus) are found throughout the northern half of North America and Canada. In the Pacific Northwest, breeding populations of Oregon Vesper Sparrow (Pooecetes gramineus affinis), one of four subspecies, historically spanned from southwest British Columbia, through western Washington and Oregon, to northwestern California. Breeding Oregon Vesper Sparrows have been extirpated from British Columbia and California, and their overall abundance has declined at a rate of about 5% per year since 1968 – equivalent to losing over 90% of the population from 1968-2015.  The current population size is estimated to be fewer than 3,000 individuals. Due to these dramatic changes, the subspecies has been petitioned for listing as endangered or threatened under the U.S. Endangered Species Act.

KBO Science in the Cascade-Siskiyou National Monument

Two decades of Klamath Bird Observatory science have informed the establishment, management, and expansion of the Cascade-Siskiyou National Monument. Since before its designation we have been conducting research and monitoring in the Monument

Hummingbird Conservation Projects

KBO is an active participant in the Western Hummingbird Partnership. The mission of the Partnership is to maintain thriving populations of hummingbirds in western North America through habitat restoration

Rivers and Riparian – Restoration Projects

Riparian (streamside) vegetation provides habitat for breeding, migrating, and overwintering birds, and is also critical to the quality of the in-stream habitat on which salmon fisheries and other aquatic species depend. In the western United States, riparian zones make up less than 0.5% of the total land

Waterbird Conservation Projects

Black Terns From 1997 to 2010, KBO implemented a Black Tern monitoring project in the Upper Klamath Basin of southern Oregon. The study has helped us understand local population distribution and trends for this emergent wetland obligate that is endangered,

Oak Habitat Conservation Projects

Central Umpqua Mid-Klamath Oak Habitat Conservation Project KBO has been collaborating with a diverse group of partners through the Central Umpqua Mid-Klamath Oak Habitat Conservation Project, a Natural Resources Conservation Service (NRCS) funded Cooperative Conservation Partnership

Long-term Monitoring of Bird Populations

Breeding and Fall Migration Season Banding in Klamath-Siskiyou Bioregion KBO and our satellite organization Humboldt Bay Bird Observatory operate several long-term demographic monitoring stations throughout the Klamath-Siskiyou Bioregion. Each year, we capture and release
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Klamath Bird Observatory
541-201-0866
PO Box 758
Ashland, Oregon 97520

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