Government Study Archives | Wild Orca

A pink salmon.

August 20, 2023

Pink salmon may impact the survival of endangered orcas’ main prey

Southern Resident killer whales foraging.

June 26, 2023

Resident orcas’ foraging success linked to environmental health

J27 Southern Resident Killer Whale

April 27, 2023

Is inbreeding entirely to blame for the decline of endangered orcas?

A Southern Resident killer whale spyhopping.

March 23, 2023

What do new genetic studies add to the story about endangered orcas?

J 42 swims in front of a large vessel.

January 25, 2023

Shipping slowdown reduces noise levels for endangered orcas

A small suction cup tag attached to an orca.

December 29, 2022

Vessel noise interrupts prey-hunting orcas, especially females

2 Southern Resident killer whales swiming side by side.

October 28, 2022

Salmon scarcity, not timing, explains absent orcas

A Southern Resident killer whale spyhopping.

February 19, 2022

How Much More Evidence Does NOAA Fisheries Need to Save Southern Resident Killer Whales?

2 Southern Resident killer whales porpoising quickly through the water.

November 26, 2021

Same Meal, Different Restaurant: What We Learn By Listening

A Southern Resident killer whale just beneath the surface of the water.

October 23, 2021

How EARS Keep Track When Endangered Killer Whales Are Out of Sight

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