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This is the Letter from the Editor.

The Berryman Institute (BI) is a national organization based in the Department of Wildland Resources at Utah State University. We are dedicated to improving human–wildlife relationships and resolving human–wildlife conflicts through teaching, research, and extension.

Human–Wildlife Interactions is seeking contributed original science and/ or synthesis and review papers for a special section on wild horse and burro management to be published in March/April 2018. The Bureau of Land Management (BLM) created the Wild Horse and Burro Program to implement the Wild-Free Roaming Horses and Burros Act, passed by Congress in 1971. Broadly, the law stipulates that the BLM and the U.S. Forest Service have the responsibility to manage and protect herds in their respective jurisdictions within areas where wild horses and burros were found roaming in 1971. Bureau of Land Management rangelands can only support around 27,000 horses and burros, yet nearly 73,000 inhabit these ranges and >45,000 are held in off - range facilities, which cost about $50 million each year. By next year, the on range population could grow another 15–20%. The goal of the special section synthesizes the science, management, and policy regarding implementation of the 1971 Wild Horse and Burro Act and the management of wild horses and burros worldwide.

The Berryman Institute (BI) is a national organization based in the Department of Wildland Resources at Utah State University. We are dedicated to improving human– wildlife relationships and resolving human– wildlife conflicts through teaching, research, and extension.

The U.S. Fish and Wildlife Service (USFWS) designated greater sage-grouse (Centrocercus urophasianus) as a candidate species to receive protection under the Endangered Species Act in 2010. Several states in the western United States have developed management plans to mitigate the listing factors identified by the USFWS. However, sage-grouse populations inhabit sagebrush (Artemisia spp.) ecosystems that may transcend multiple state boundaries. If sage-grouse inter-seasonal movements encompass habitats in multiple states and if state-centric wildlife management strategies differ, species conservation may be further complicated. Additionally, if these populations are located in peripheral state boundary areas, they may also receive less management focus both because of their remoteness and state agency emphasis on interior populations. The Grouse Creek sage-grouse population that inhabits extreme northwestern Utah where the state borders eastern Nevada and southern Idaho exemplifies this situation. We monitored 50 radio-collared sage-grouse from 2005 to 2006 to document inter-seasonal movements relative to sex and age and state boundaries. Radio-collared sage-grouse migrated an average of 13.1 km from breeding (range = 0.2 to 69.3, SE = 14.4) to summer range, 22.6 km from summer (range = 0.2 to 46.1, SE = 12.6) to winter range, and 25.4 km from winter (range = 1.1 to 37.2, SE = 13.4) to return to spring range. Ten radio-marked birds (20%) used seasonal habitats in Idaho, Nevada, and Utah. Males were more likely to engage in long-distance movements than females during the breeding season. We confirmed that within a geographically defined state population, individuals may exhibit diverse inter-seasonal migration strategies. Our results support the need for increased coordination among states that share occupied sagebrush habitats to develop interstate sage-grouse conservation plans.