Climate change, increasing wildfire activity, residential development, and shifts in natural food availability are altering patterns of American black bear (Ursus americanus) habitat use and increasing the potential for human–bear conflict across the western United States. Washington’s Methow Valley has experienced a 33% increase in residential development over the past 15 years and extensive high-severity wildfires that have burned approximately 40% of the landscape. At the same time, hotter, drier summers are affecting the phenology and productivity of berry-producing shrubs—key natural food resources for black bears. These combined pressures have coincided with rising reports of human-bear conflict, posing risks to public safety and property while often resulting in vehicle collisions or lethal removal of bears.
Home Range Wildlife Research’s Human–Bear Coexistence Project seeks to identify the ecological and landscape drivers of bear use and conflict in the Methow Valley and to provide science-based guidance for proactive coexistence strategies. The project integrates community science, field monitoring, and education to inform bear management before conflict becomes widespread.
From 2023–2025, trained community science volunteers monitored natural food availability and black bear activity across 36 sites distributed throughout the Methow watershed. Volunteers surveyed the abundance, crop success, and fruiting phenology of five berry shrub species along standardized transects and deployed motion-triggered cameras to document bear presence and activity. Additional data included bear scat collection and conflict report summaries. To date, more than 50 local volunteers have contributed to data collection and image processing.
Preliminary results indicate that serviceberry is likely the most important natural food resource for black bears in the Methow Valley, exhibiting the highest abundance, earliest seasonal availability, and strongest representation in bear scat samples. Camera data show high overall bear use across monitored sites, with bears detected at 71% of locations. However, landscape disturbance strongly influenced activity patterns: bears used sites that burned within the past 15 years approximately 52% less frequently than unburned areas, suggesting reduced habitat quality and food availability following wildfire. Bear activity increased modestly across years, highlighting the importance of continued long-term monitoring.
Project findings have already informed local outreach efforts, including the Methow Valley Community Bear Assessment and the formation of the Methow Bear Coalition. Through continued research, community engagement, and education on Bear-Wise practices, this project supports practical, data-driven strategies to reduce conflict and foster long-term human–bear coexistence in the Methow Valley and similar rural communities. ($20,000)