OBI Art For Orcas: Southern Resident Orcas 20 Years Endangered
75 Fins for 75 Whales
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Southern Resident orcas

through non-invasive research, bold advocacy, and science based education

We Must Do More
to Save Them

Storymap: A brief overview of the Southern Residents and why they are endangered
Learn the Basics
Fin Locations

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The Most Important Actions Needed

Page summarizing the difficult topics with key reference links

Meet the Whales

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How do you create compelling presentations that wow your colleagues and impress your managers?
Drew Cano
11 Jan 2022
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Slick
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Seattle

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Shachi
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Friday Harbor

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Oreo
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Mike
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Blackberry
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Tsuchi
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Tahlequah
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Alki
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Cookie
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Mako
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After The Breach Podcast

These episodes are our multi-part series on Southern Resident Orcas. Before we can talk about recovery strategies and efforts, we need to understand how the Southern Resident killer whales became endangered in the first place. We discuss what we know about the pre-capture population, the capture era and its lasting impacts, recovery and then decline, risk factors and the endangered species listing.
Part 1
Southern Resident Killer Whales: 20 Years Endangered |Part 1

How We Got Here

Part 2
Southern Resident Killer Whales: 20 Years Endangered |Part 2

Twenty Years of Action

Part 3
Southern Resident Killer Whales: 20 Years Endangered |Part 3

How We Got Here

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Southern resident orca pods

Meet the Pods

The Southern Resident killer whale (SRKW) population is made up of J-, K-, and L-Pods. They are widely considered the most  studied population of cetaceans on the planet, and decades of research means we know them as individuals with traceable matrilineal histories. The official population census of the Southern Residents is conducted annually by the Center for Whale Research. In addition to recording births and deaths, the Center assigns alphanumeric designations and maintains ID catalogs for the Southern Residents.
J26 2022
J Pod
K22 southern resident orca
K Pod
L91 and L122 southern resident orcas
Greater L4s
L25 and L126 - 2023 Southern resident killer whales
L12 sub-group
L88, L54, L84 in 2015. Southern resident killer whales
L54 sub-group

Meet J Pod

J-Pod is the "most resident" of the three Southern Resident pods, spending by far the most time in the inland waters of the Salish Sea.

Learn More About J Pod

Meet K Pod

Since studies began in the 1970s, K-Pod has been the smallest of the three Southern Resident pods, usually numbering between 15 and 20 individuals.

Learn More About K Pod

Meet Greater L4s

The Greater L4s are the largest sub-group in L-Pod containing +/- 20 whales from several matrilines.

Learn More About Greater L4s

Meet L12 sub-group

The L12 sub-group (or Greater L12s) is the mid-sized sub-group from L-Pod typically numbering between 10 and 15 individuals.

Learn More About L12 sub-group

Meet L54 sub-group

The L54s are the smallest Southern Resident sub-group, currently totaling just four whales.

Learn More About L54 sub-group
J26 2022

Meet J Pod

J-Pod is the "most resident" of the three Southern Resident pods, spending by far the most time in the inland waters of the Salish Sea.
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Learn More About J Pod
K22 southern resident orca

Meet K Pod

Since studies began in the 1970s, K-Pod has been the smallest of the three Southern Resident pods, usually numbering between 15 and 20 individuals.

Learn More About K Pod
L91 and L122 southern resident orcas

Meet Greater L4s sub-group

The Greater L4s are the largest sub-group in L-Pod containing +/- 20 whales from several matrilines.
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Learn More About Greater L4s
L25 and L126 - 2023 Southern resident killer whales

Meet Greater L12s sub-group

The L12 sub-group (or Greater L12s) is the mid-sized sub-group from L-Pod typically numbering between 10 and 15 individuals.

Learn More About Greater L12s
L88, L54, L84 in 2015. Southern resident killer whales

Meet Greater L54s sub-group

The L54s are the smallest Southern Resident sub-group, currently totaling just four whales.
‍

Learn More About Greater L54s
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OBI Our research page orca spyhop photo
Learn more about Puget Sound project

Syncing drone observations of orca behavior with localized hydrophone recordings of orca vocalizations sounds relatively straightforward in theory, but in practice it requires a lot of moving parts to all align in order to be successful.

We were too. So many businesses just accepted the ridiculous fees that banks and platforms imposed, because there was no alternative.
Not anymore. We built Milestone to make the end-to-end financial management easy for small businesses.
J26 2022

Habitat Usage

We collaborate with numerous groups and individuals to help confirm, ID, document, and track killer whale sightings throughout the entirety of the Salish Sea. Some of our primary partners include Orca Network, the Pacific Whale Watch Association, the PWWA App, and regional community sightings networks on social media. This type of tracking is only possible due to the contributions of hundreds of community scientists.

Learn more about Orca Sightings