Listing Endangered or Threatened Species: 90-Day Finding on a Petition To Delist the Southern Resident Killer Whale; Request for Information

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We, the National Marine Fisheries Service (NMFS), announce a 90-day finding on a petition to delist the Southern Resident killer whale (Orcinus orca) Distinct Population Segment (DPS) under the Endangered Species Act (ESA). The Southern Resident killer whale DPS was listed as endangered under the ESA in 2005. We find that the petition viewed in the context of information readily available in our files presents substantial scientific information indicating the petitioned action may be warranted. We are hereby initiating a status review of Southern Resident killer whales to determine whether the petitioned action is warranted and to examine the application of the DPS policy. To ensure the status review is comprehensive, we are soliciting scientific and commercial information pertaining to this species.