BLM OR-WA, Lincoln County Sage-grouse Re-introduction, Spokane District
The original goal was to translocate 40 greater sage-grouse each year (2008-2011), with an even sex ratio. Because of higher mortality of sage-grouse in the first years of the project, and smaller numbers of translocated birds, we now believe translocations through at least 2014 will be beneficial. Sage-grouse are generally captured during the spring breeding period (late March/early April) or in late summer or early autumn (e.g., October), but only when the situation proves favorable. All birds destined for translocation receive a health certificate from a veterinarian that is accredited within the donor state. Sex and age are determined for all captured birds. Blood samples are obtained for both disease testing and genetic analysis. Birds are banded with a unique numbered metal band; necklace-mounted, battery-powered radio transmitters (predicted duration of 24 months) are placed on birds prior to release. The birds are released within 36 hours of capture, preferably as soon as possible. They are released at first light on the newly established lek with the aid of a special box that permits the simultaneous remote release of multiple birds following a quiet acclimation period of at least 15 minutes. Sharp-tailed grouse are generally captured during the spring breeding period (early April) with the aid of walk-in traps on leks. All birds are weighed, measured, banded with unique numbered bands, and fitted with necklace-mounted, battery-powered radio transmitters. In addition, sex and age are determined and blood samples are collected for subsequent genetic testing. Birds are transported by plane or car in an individual box or a portion of a box that is small enough to contain the bird¿s movement. The success or failure of the reestablishment effort is to be evaluated on and near the release site. Although establishment of the population over the long-term is the ultimate objective, success will also be addressed in the short-term though monitoring using radio tracking and lek counts. The specific objectives include examinations of movement, habitat use, productivity, survival, and population size. These evaluations provide essential information to determine whether additional translocations, habitat improvements, release locations, and/or translocation methodologies are necessary.
Office: Bureau of Land Management
j1clark@blm.gov
