Hawaiian Stilt ESA Reclassification (Endangered to Threatened)
Current understanding
To be populated as evidence accumulates.
Evidence log
- 2026-07-21 — Endangered and Threatened Wildlife and Plants; Regulations Pertaining to Endangered and Threatened Wildlife and Plants: cross-connection with esa-threatened-species-4d-blanket-rule: Reclassifications from endangered to threatened will now require species-specific 4(d) rules rather than defaulting to blanket endangered-level protections. (novelty: 3)
- 2026-07-20 — Endangered and Threatened Wildlife and Plants; Reclassification of the Hawaiian Stilt (Kukuluae’o or Ae’o) From Endangered to Threatened With a Section 4(d) Rule: FWS finalized reclassification of the Hawaiian stilt (Himantopus mexicanus knudseni) from endangered to threatened under the ESA and issued a section 4(d) protective rule, citing improved subspecies status. (novelty: 2)
Open questions
Related
Contributing findings
Endangered and Threatened Wildlife and Plants; Reclassification of the Hawaiian Stilt (Kukuluae'o or Ae'o) From Endangered to Threatened With a Section 4(d) Rule
20-jul-2026
novelty 2
per-area 2
introduces