This sole‑source solicitation seeks a single vendor – the Xerces Society for Invertebrate Conservation – to execute a multi‑state, long‑term Bumble Bee Atlas monitoring program coordinated by Colorado Parks and Wildlife. The effort covers Colorado, New Mexico, Texas, Washington, and California and targets 22 bumble‑bee species of greatest conservation need, delivering standardized surveys, database management, training events, and regional ecological modeling through 2029, with a contract value of up to $900,000 and a final award deadline of June 30 2030. • Lead agency: Colorado Parks and Wildlife (via the State Natural Resources Purchasing Office) • Budget: approx. $900,000 over a three‑year period • Scope: six inter‑related projects including statewide surveys, data acquisition, database administration, volunteer training, baseline status assessments, and development of a regional conservation plan • Deliverables: 2 coordinated state surveys (CA/WA), 1 regional survey (CA), 1 technique development (CO), multiple training events (10‑15 per state), baseline inventories, a comprehensive occupancy model, updated WAFWA plan, and outreach materials • Timeline: Major milestones through September 2029; contract term ends June 30 2030 • Required submission: brief cover letter via email referencing solicitation number; not a formal RFP/quote