Federal invasive species teams to protect wildlife refuges and partner lands
H.R. 4219 — National Wildlife Refuge System Invasive Species Strike Team Act of 2025 · Filed by Ed Case (D-HI) · 1 cosponsor · Introduced Jun 27, 2025 · Passed chamber
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What it does
This bill directs the Interior Secretary to establish regional invasive species strike teams within the National Wildlife Refuge System to detect, prevent, and respond to invasive species threats on federal refuge lands and adjacent private lands (only with owner permission). The teams will use coordinated databases, partner with state and local agencies, and provide technical and financial assistance to landowners; Congress authorizes $10 million annually from 2027–2033 to fund the program.
Why we flagged it
The bill establishes a federal program to manage invasive species on public lands and adjacent areas through coordinated strike teams, partnerships, and technical assistance—a straightforward conservation and habitat-protection measure.
What the text implies
- Strike teams may operate on private lands only with owner consent, but the bill does not specify liability allocation if team activities cause unintended damage to private property or native species.
- The program's effectiveness depends on sustained appropriations through 2033; if funding lapses, invasive species management could fragment across regions.
- Coordination with state and tribal agencies may create jurisdictional friction if federal and state priorities diverge on which species are 'priority' or how to manage them.
- The bill authorizes but does not mandate partnerships with private entities; actual cost-sharing and efficiency gains depend on voluntary participation.
Section numbers refer to the bill text the analysis read — linked under Primary records below.
Who it affects
Ordinary citizens benefit from coordinated invasive species management that protects native ecosystems, wildlife habitat, and public lands; the program respects private property rights by requiring owner consent for off-refuge activities and leverages federal expertise to reduce invasive species harm at no direct cost to individual citizens.
Named in the bill
Secretary of the Interior, United States Fish and Wildlife Service, National Wildlife Refuge System, National Agricultural Pest Information System, National Plant Diagnostic Network, Early Detection and Distribution Mapping System, Nonindigenous Aquatic Species Database, iMapInvasives, Federal, State, Tribal, and local governments, Nongovernmental organizations
Where it stands
1 cosponsor: 1 Republicans.
- Jun 27, 2025 — Introduced · Congress.gov: “Introduced in House”
- Jun 27, 2025 — Referred to House Committee on Natural Resources and Senate Committee on Environment and Public Works · Congress.gov: “Referred to the House Committee on Natural Resources”
- Apr 16, 2026 — Hearing held · Congress.gov: “Subcommittee Hearings Held”
- Jul 22, 2026 — Markup held in committee · Congress.gov: “Committee Consideration and Mark-up Session Held”
- Jul 22, 2026 — Reported out of committee · Congress.gov: “Ordered to be Reported in the Nature of a Substitute (Amended) by Unanimous Consent”
- Sep 14, 2026 — Passed the House · Congress.gov: “On motion to suspend the rules and pass the bill, as amended Agreed to by the Yeas and Nays: (2/3 required)…”
- Sep 14, 2026 — Floor vote scheduled · Congress.gov: “Mr. Westerman moved to suspend the rules and pass the bill, as amended”
Dates and quoted wording are Congress.gov's action record; the timeline shows status changes, not every procedural step.
How this was measured
Analysis — Quorum's AI read the bill text published by Congress.gov (6,982 characters) on Aug 20, 2026. Section numbers in the findings refer to that text, linked below; transparency and hidden-provision scores are compared against the median of 16,222 analysed bills.
Status and sponsors — Congress.gov's bill record — actions, committee referrals and cosponsors — loaded nightly. The timeline shows status changes, not every procedural action.
As of — page rendered 2026-10-20.
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