Plains bison
Bison bison bison · Wherever found · ECOS entity 6866
In plain words
Federal ESA status Under Review
The Plains bison is under review after a petitionpetition: A written request, from anyone, asking the agency to list or delist a species.. It is not listed. This is the U.S. federal status. It is not the IUCN Red List or a state list. No upcoming date is on the record.
Show the record
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.
| Step | Statutory date | Workplan or court-ordered date | Published (Federal Register) |
|---|---|---|---|
| 90-day finding90-day finding: The agency's first answer to a petition, saying whether it is worth a full review. |
Statutory date September 20, 2009 (90-day finding, 16 U.S.C. 1533(b)(3)(A)). Federal Register coverage starts October 24, 2024; earlier publications are not on the record yet.
16 U.S.C. 1533(b)(3)(A)
Petition linked to this species: inferred from the petition title.
Statute wording for this date: "to the maximum extent practicable".
16 U.S.C. 1533(b)(3)(A)
|
Not in the workplan | Not published as of October 24, 2026 |
| 12-month finding12-month finding: The agency's answer after a full review: should the species be listed or not? | None set |
Planned for fiscal year 2027 in the National Listing Workplan of July 28, 2026.
Workplan row 128
|
Not published as of October 24, 2026 |
Petitions
- “█████, plains (Bison bison bison); list threatened”: petition date (closed). Source: ECOS petitions report, ECOS species profile. Petition linked to this species: inferred from the petition title.
Identifiers and sources
- This record
https://conservanode.org/id/species/6866- ECOS
- Species profile 4088
- Range states
- MT, WY