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Council reviews prairie‑dog guidance; staff recommends no code changes, council requests notification scoping
Summary
City staff reported on state and peer jurisdiction practice for prairie‑dog mitigation and recommended no immediate changes to Thornton’s code; council asked staff to scope public‑notification options after resident concerns.
City staff briefed council on prairie‑dog regulation and local practice and recommended no immediate changes to Thornton’s code, while council asked staff to scope possible public‑notification requirements after residents raised concerns about private‑lot mitigation activities.
Staff summarized state wildlife rules that treat black‑tailed prairie dogs as wildlife and detailed relocation and euthanasia methods allowed under state law; staff also reviewed peer jurisdictions and said most defer to state rules. Thornton and Broomfield were identified as jurisdictions with clear local processes that require developers to document good‑faith relocation efforts during development permitting. Staff said relocation opportunities are limited because few public sites are available to receive prairie dogs, and the most common outcome after unsuccessful relocation attempts is humane euthanasia performed according to state protocols.
Staff noted the city manages some prairie‑dog colonies on city property and is talking with nonprofit organizations that sometimes take live prairie dogs for conservation or rehabilitation purposes. Councilors asked staff to explore whether the city should require public notice when private mitigation work occurs (for example, posting signage before on‑site activities) after residents reported instances where control work happened quickly and neighbors said they lacked information about methods used.
Staff proposed three possible code changes to consider — adding burrowing‑owl protections (a federally and state‑protected migratory bird that nests in prairie‑dog burrows), requiring stronger relocation verification steps, or applying a broader citywide policy for all sites that host prairie dogs — but told council each option carries administrative and practical complications. Staff recommended no immediate code changes and instead asked for direction; councilors asked staff to scope notification options and resource impacts and return with a recommendation.
Councilors emphasized they wanted clearer early notification during development reviews when prairie‑dog colonies are present, and staff said it would return with options that describe administrative impacts and potential language for site notices.
