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Southern hognose snake

Heterodon simus · Wherever found · ECOS entity 1348

Federal ESA status Proposed Threatened

The Southern hognose snake is proposed for listing as threatenedthreatened: Likely to become endangered soon.. The listing is not final yet. This is the U.S. federal status. It is not the IUCN Red List or a state list. The latest step was a comment periodcomment period: The weeks when anyone can send the agency their view on a proposal. reopening notice, published on June 8, 2026. The next date that matters is August 28, 2027: the statutory datestatutory date: The date the law sets for a step. for the final critical habitatcritical habitat: Places the agency marks as needed for the species to recover. rule.

Next date that matters — the statutory date for the final critical habitat rule

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Each step shows up to three dates: the date the law sets, the date in the agency's workplan or set by a court, and the date the step was published. Every date links to the document it comes from.

Timeline for Southern hognose snake
StepStatutory dateWorkplan or court-ordered datePublished (Federal Register)
12-month finding12-month finding: The agency's answer after a full review: should the species be listed or not? None set Not in the workplan
12-month finding published in the Federal Register on August 29, 2025. Outcome: listing is warranted. This document is also the proposed rule. FR 2025-16688
Proposed ruleproposed rule: A draft decision. It is published so anyone can comment before it becomes final. None set Not in the workplan
Proposed rule published in the Federal Register on August 29, 2025. This document is also the 12-month finding. FR 2025-16688
Comments accepted until October 28, 2025. FR 2025-16688
Final rulefinal rule: The decision that puts a listing or a habitat rule into effect.
Statutory date August 28, 2026 (final rule, 16 U.S.C. 1533(b)(6)(A)). No final rule or withdrawal notice published in the Federal Register as of October 24, 2026. 16 U.S.C. 1533(b)(6)(A)
Not in the workplan Not published as of October 24, 2026
Final critical habitatcritical habitat: Places the agency marks as needed for the species to recover. rule
Statutory date August 28, 2027 (critical habitat with listing, 16 U.S.C. 1533(a)(3)(A)(i), (b)(6)(C)). No final critical habitat rule published in the Federal Register as of October 24, 2026. 16 U.S.C. 1533(a)(3)(A)(i), (b)(6)(C)
Statute wording for this date: "to the maximum extent prudent and determinable". 16 U.S.C. 1533(a)(3)(A)(i), (b)(6)(C)
Date extended by 12 months under 16 U.S.C. 1533(b)(6)(C)(ii) (critical habitat stated as not determinable, FR document 2025-16688). FR 2025-16688
Not in the workplan Not published as of October 24, 2026
Comment periodcomment period: The weeks when anyone can send the agency their view on a proposal. reopening notice None set Not in the workplan
Comment period reopening notice published in the Federal Register on June 8, 2026. FR 2026-11414
Comments accepted until July 8, 2026. FR 2026-11414

Identifiers and sources

This record
https://conservanode.org/id/species/1348
ECOS
Species profile 3248
Federal Register
Regulations.gov