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Bigg’s 201: Improve your scientific literacy through the lens of whale research
Bigg’s 301: An advanced research class for those who have completed Bigg's 201
50 Shades of Gray Whale: Learn about their unique natural history and population dynamics
Whale Book Club: Solitary Sociables
Marine mammals 101: If you are newer to learning about marine mammals of the Salish Sea, this is the class is for you
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ORCA Updates
OBI
October 13, 2025
OBI Video FAQ
If you’re curious about the orca videos created by Jason Shields or have questions about the process, this is the page for you! We asked Jason to answer some of the most common inquiries about his videos.
OBI
September 24, 2025
🎶 Oh what a night! 🎶
A T-Party of 33 Bigg's killer whales in Rosario Strait. Present were the T36A1s, T63, T65, T65A5, T75Bs, T90s, T99B, T100s, T101s, T123s, T124Ds, T137s 🤯
Monika W. Shields
September 19, 2025
Today was J-Pod's seventh straight day in Puget Sound!
Yesterday and today, many observers were lucky enough to spot a brand new calf traveling with the J16s, a particularly hopeful sign after J36 Alki had lost her newborn earlier this month.
Monika W. Shields
September 13, 2025
Loving the Southern Residents is not for the faint of heart
For all the moments of joy - and there are a lot of them - there are also moments of significant grief.
Monika W. Shields
September 2, 2025
Summer Without the Southern Residents
No Southern Residents visited the Salish Sea in May, June, or August 2025. Monika takes a moment to reflect on just how much things have changed over the last 20 years.
OBI
August 29, 2025
Important action alert for you courtesy of the Columbia/Snake River Campaign
On September 3rd, Congress is considering H.R. 2073, the “Defending Our Dams Act,” a bill that locks in the failing status quo on the lower Snake River and blocks real solutions for salmon, orcas, and Tribal treaty rights.
Monika W. Shields
August 27, 2025
August 24th: A total of 57 Bigg's orcas in the central Salish Sea
This example is August 24th, when we had 12 different groups of Bigg's in the central Salish Sea alone totaling at least 57 animals.
Monika W. Shields
July 16, 2025
J-Pod just reaching the west side of San Juan Island before dark
Last night the orca-loving community on San Juan Island gathered at Lime Kiln Lighthouse for sunset with a chance of whales.
Monika W. Shields
July 14, 2025
Welcome home, J-Pod
75 days after their last confirmed sighting in inland waters...
Monika W. Shields
June 24, 2025
No Southern Residents in inland waters for 8 weeks
Today marks 8 week since our last confirmed report of Southern Resident orcas in the inland waters of the Salish Sea. ❤️🩹
OBI
June 11, 2025
Our online auction is now LIVE!
Help us raise $10k for our 10th and keep an eye on your favorite items over the next few days. The auction ends at 9 PM PST on Sunday!
OBI
May 19, 2025
Our new Drawing and Painting Orcas class that will be running this fall is now open for registration!
Over the course of six weeks under the instruction of Sara Shimazu you will learn to draw and paint orcas, ending the class with a finished painting.
Monika W. Shields
May 4, 2025
We came across a humpback with legendary status in the Salish Sea
Yesterday while on the water with our Bigg's 201 class we came across a humpback that has attained legendary status in the Salish Sea: a 4 year-old whale that is nicknamed Schooner.
OBI
May 2, 2025
Sightings Map FAQ
We thought we'd like to take time to answer some of the most common questions received on our maps.
OBI
April 28, 2025
This weekend we wrapped up our very first whale book club
Over the last three months, we explored the important but often challenging stories of the orca captivity era in Puget Sound during the 1960s-1970s.
OBI
April 17, 2025
Last Saturday was a whale of a day in the Salish Sea
Last Saturday was a whale of a day in the Salish Sea, with confirmed reports of no fewer than 79 killer whales in the region!
OBI
April 1, 2025
Help Us Celebrate OBI's 10th Anniversary
How does a weekend camping on San Juan Island, hanging out with OBI, and seeing and talking about whales sound?
Monika W. Shields
March 22, 2025
Our first trip of our spring 2025 Bigg's 201 class!
We meet the newest member of the Bigg's killer whale population, a calf that appears to be the firstborn of T46B3 Sedna.
OBI
March 21, 2025
K-Pod transited nearly 1000 miles in just 11 days: Monterey (CA) to Active Pass (BC)
To make it to the central Salish Sea this morning after last being seen in Monterey on March 10th, K-Pod transited nearly 1000 miles in just 11 days. That's an average of about 90 miles a day!
Monika W. Shields
March 17, 2025
A remarkable day in San Juan Channel with 4 encounters and 20 individual orcas
Yesterday's afternoon on the water was so remarkable it deserves its own mini-map as a summary!
Monika W. Shields
February 8, 2025
J-Pod heading slowly north up Haro Strait this afternoon!
The dramatic light made it an even more impressive sight. It was our first time getting to meet the newest calf, little J62!
OBI
January 23, 2025
Whale Sightings groups on Bluesky!
Are you thinking about joining Bluesky? Several whale groups are making the jump!
OBI
January 7, 2025
Washington net pen ban passed!
Commercial finfish aquaculture has been banned in Washington state-owned aquatic lands!
OBI
January 4, 2025
December 2024 T-Party
Our current count is 37 whales! It's by far the largest group of Bigg's we've encountered in 2024. Here's Jason's video highlight compilation from our memorable encounter.
OBI
December 27, 2024
Action Alert: Submit a very important public comment by January 6th!
Ensure Washington State makes the non-native finfish aquaculture ban permanent!
Monika Wieland Shields
November 30, 2024
33 members of L-Pod "appearing" out of nowhere in Haro Strait!
"It's too many whales to be just K-Pod...it's too many males to be just J-Pod... WHO ARE YOU?!"
OBI
October 28, 2024
Today was J-Pod's TENTH straight day in Puget Sound!
From everything we've seen and heard so far this season, chum salmon are returning in huge numbers...
Monika Wieland Shield
September 15, 2024
L90 with calf off Lime Kiln
We caught up with the pair at San Juan County Park. Just as surprising as the calf was perhaps the fact that there were no other whales in sight...
Monika Wieland Shields
August 31, 2024
Can you imagine growing up with FIVE brothers? (T49A5 Nebula)
There are a lot of fan favorites among the T49As, but this is an appreciation post for one of the members who doesn't get as much attention, T49A5 Nebula.
Orca Behavior Institute
August 20, 2024
17 total encounters with Northern Resident killer whales!
After two weeks off the north end of Vancouver Island we are back home in the Salish Sea but with lots of data and media to process from 17 total encounters with Northern Resident killer whales. Check out our video!
Monika W. Shields
August 5, 2024
Listening to the A34s off the White Cliff Islets
This was a morning I will not soon forget! It was the first day of our 2024 time in Telegraph Cove and we got to meet up with the A34s. While shut down we were able to drop our hydrophone and listen in to their calling back and forth.
OBI
July 31, 2024
T65A5 Indy has been busy "doing Indy things"
Since at least July 22nd, T65A5 Indy has been traversing the Salish Sea on his own and has been busy "doing Indy things", according to many of those who have been lucky enough to see him!
Monika W. Shields
June 1, 2024
A group of Bigg's traversed 110 miles in 18 hours!
On the afternoon of May 30th, a group of Bigg's killer whales were picked up outside of Friday Harbor. Of course, tracking killer whale sightings the way we do, I was curious to find out who they were. When a friend messaged me and said "T19B is here" I said: "Impossible!" But, there he was!
Monika W. Shields
May 1, 2024
Unusual Visitors to the Salish Sea: the T146s and T146As
The T146s, rarely seen in the Salish Sea, showed up this week, as did the T146As who as far as know have not been documented in the Salish Sea before!
Monika W. Shields
April 30, 2024
The T90s Make it from Oregon to Haro Strait in 5 Days
The T90s were seen off the Oregon Coast on April 24 and made it Sidney Spit by April 29!
Monika W. Shields
February 29, 2024
Where has T46D been?
T46D, Strider, is has always been a bit of a wanderer. For those who were concerned, we got confirmation of his whereabouts! Thanks to photos taken by Jason Duncan and shared by Comox Valley Wildlife Sightings.
Monika W. Shields
January 29, 2024
What's going on with J60? Facts and Updates
Update: Center for Whale Research has reported that calf J60 was not seen during their January 27th encounter with J-Pod.
OBI
December 8, 2023
Bigg's streak 2023: 269 days
Our consecutive days of confirmed Bigg's killer whales in the Salish Sea streak came to an end.