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Sparrow Grasslands, South Okanagan Similkameen, BC (Photo by NCC)

Sparrow Grasslands, South Okanagan Similkameen, BC (Photo by NCC)

Sage and Sparrow Conservation Area

Grasshopper sparrow (Photo by Jerry Oldnettel)

Grasshopper sparrow (Photo by Jerry Oldnettel)

The Sage and Sparrow Conservation Area is a truly magnificent and nationally significant project in the South Okanagan Similkameen. The conservation area sits on the Canada-U.S. border near Osoyoos, protecting part of an international swath of rare grassland habitat and a crucial component of a migratory corridor for species moving between the desert areas of the western United States and the dry grasslands of interior BC.

This landscape has been of interest to the conservation community for decades. In 2012 the Nature Conservancy of Canada (NCC) and our partners had the opportunity to start creating the Sage and Sparrow Conservation Area. The ongoing conservation assembly quickly expanded — in 2013 and 2014 — to protect even more of the grasslands here. Most recently, in 2020, we added an expanse of higher elevation lands, which notably includes two large wetlands. Today Sage and Sparrow spans 1,500 hectares (3,750 acres) and is home to 62 documented species at risk.

A diverse landscape

Sage and Sparrow Conservation Area, BC (Photo by NCC)

Sage and Sparrow Conservation Area, BC (Photo by NCC)

The diversity of habitats and wildlife found on Sage and Sparrow is what makes this conservation area both unique and incredibly important. Sage and Sparrow takes its name from the extensive sagebrush landscape it supports, plus the notable abundance (11 at last count!) of sparrow species found there. The land also supports pockets of trembling aspen that provide habitat for mule deer, ruffed grouse, magpies and two mouse species of conservation concern: western harvest mouse and Great Basin pocket mouse. Rocky outcrops provide cover for many species of snakes as well as other small mammals.

A magnificent canyon cuts through the southern portion of the conservation area and features a natural spring that runs year-round. Standing atop a viewpoint at the edge of the canyon, visitors are treated to a spectacular view of the Similkameen Valley south into the U.S. The northern reaches of the conservation area climb in elevation and grasslands give way to Interior Douglas-fir and ponderosa pine forests. Small lakes and wetlands are vital sources of water in this arid landscape, providing critical habitat for waterfowl and at-risk species, such as Great Basin spadefoot, western painted turtle and western tiger salamander.

A canyon on  Sage and Sparrow, BC (Photo by NCC)

A canyon on Sage and Sparrow, BC (Photo by NCC)

All of these ecological systems are under significant threat of development and conversion to agricultural systems. The Nature Conservancy of Canada will continue to work with willing landowners in the area who wish to see their properties transferred into conservation and protected for the long term

Public access to Sage and Sparrow Conservation Area currently closed

In July and August 2023, the Sage and Sparrow Conservation Area was engulfed in the Eagle Bluff wildfire, which burned over 7,000 hectares on both sides of the Canada – U.S. border near Osoyoos, BC. The fire affected the entire conservation area, in some places severely. To ensure public safety and to allow for thorough assessment and recovery planning, we have closed visitor access to Sage and Sparrow until further notice.

Sage and Sparrow exists in a fire-maintained landscape, with large wildfires burning through every few decades. This gives us hope that the grasslands here will bounce back and regain their full vitality. We are currently assessing the impacts and working with partners to determine next steps to support the recovery of this sensitive and important area.

Conservation context

The Sage and Sparrow Conservation Area supports many iconic South Okanagan species and the fragile habitat that the depend on:

Habitats: native bluebunch wheatgrass and sagebrush grasslands, trembling aspen gullies, rugged terrain, wetlands, Ponderosa pine and Douglas-fir forests

Species at risk: Lewis's woodpecker, grasshopper sparrow, Brewer's sparrow, pallid bat, fringed myotis, western rattlesnake, gopher snake, American badger, half-moon hairstreak, western yellowbelly racer, cocks-comb cat's-eye, burrowing owl, Lyall's mariposa lily, flat-topped broomrape

Other notable wildlife: black bear, lazuli bunting, Columbian bitterroot, western meadowlark, mule deer

Sage and Sparrow Conservation Area shares a significant portion of its border with the South Okanagan Grasslands Protected Area. It forms an integral habitat link between protected areas that allow for the movement of species between the Similkameen and Okanagan Valleys.

This grassland ecosystem is one of the four most endangered ecosystems in Canada.

The area is home to a diverse range of amphibian, reptile, bird and mammal species. Some of these occur nowhere else in Canada, or the world.

The project area forms part of the Kilpoola Lake Important Bird Area.

Sparrow and other bird populations on Sparrow Grasslands have been extensively researched by the Canadian Wildlife Service. They have provided a wealth of ecological data that will further conservation management efforts.

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