To amend the Endangered Species Act of 1973 to provide that artificially propagated animals shall be treated the same under that Act as naturally propagated animals, and for other purposes.
- Sponsor
- Rep. McClintock, Tom [R-CA-5]
- Committees
- Natural Resources Committee (primary)
- Last action
- Sep 15, 2026
Bottom line
H.R. 181 seeks to equalize the legal status of captive-bred and wild animals under the ESA and promote artificial propagation as a valid mitigation strategy for development impacts.
What it actually does
This bill amends the Endangered Species Act of 1973 (ESA) to mandate that federal agencies, when making determinations under the Act, cannot differentiate between naturally propagated animals and artificially propagated animals. It also requires the Secretary to authorize the use of artificial propagation for any mitigation purposes required under the ESA. These changes apply to all species, regardless of when they were listed as endangered or threatened.
Proponents argue
Proponents argue that the bill modernizes the ESA by recognizing the significant role of artificial propagation and captive breeding programs in species recovery. They contend that treating artificially propagated animals equally would reduce regulatory burdens, incentivize private conservation efforts, and provide more flexible and effective mitigation options for economic development projects, ultimately benefiting species conservation by expanding available tools.
Opponents contend
Opponents contend that this bill fundamentally undermines the core intent of the ESA, which is to protect wild populations and their habitats. They argue that equating captive-bred animals with wild ones could lead to a decreased focus on habitat preservation and could allow for the destruction of critical natural ecosystems under the guise of 'mitigation' through artificial propagation, potentially weakening protections for truly wild and self-sustaining populations.
The bill is very short and clear, making it highly accessible for a reader to understand its core provisions quickly.
Section 1, amending Section 4 of the Endangered Species Act of 1973 (16 U.S.C. 1533)
Equal Treatment for Artificially Propagated Animals
This section adds a new subsection (j) to Section 4 of the ESA, explicitly stating that the Secretary (of the Interior or Commerce, depending on the species) shall not differentiate between naturally propagated animals and artificially propagated animals when making any determination under the Act. This means that for purposes like listing, delisting, or critical habitat designation, a species' status would not be affected by whether its members were born in the wild or through human intervention.
Supporters argue
Supporters argue that this provision acknowledges the success of captive breeding programs in preventing extinctions and reintroducing species. They believe it removes an arbitrary distinction that can hinder recovery efforts by not fully crediting increases in population numbers achieved through artificial means, thereby encouraging more such efforts.
Critics contend
Critics contend that this provision could dilute the ESA's focus on protecting natural ecosystems and wild, self-sustaining populations. They argue that counting captive-bred animals equally might allow for the continued degradation of natural habitats, as long as a species can be maintained in captivity, thereby shifting the goal from ecosystem health to mere species existence.
Tradeoffs
This provision navigates the tension between in-situ (habitat-based) and ex-situ (captive breeding) conservation methods. While it could expand the tools available for species recovery, it also raises concerns about whether it might inadvertently de-emphasize the protection of natural habitats and the ecological processes that support wild populations.
Section 2, amending Section 14 of the Endangered Species Act of 1973
Artificial Propagation for Mitigation Purposes
This section renames and amends Section 14 of the ESA to require the Secretary to authorize the use of artificial propagation of animals for any mitigation required under the Act with respect to such species. This means that if a project or activity negatively impacts an endangered or threatened species, the responsible party could fulfill their mitigation obligations by artificially propagating animals of that species.
Section 3
Retroactive and Prospective Application
This section clarifies that the amendments made by this Act apply to all species, regardless of whether they were listed as endangered or threatened under the ESA before, on, or after the date of enactment. This ensures that the new rules regarding artificial propagation and mitigation apply uniformly across all listed species.