Risa
Try Deep freeDeep
Risa
Try Deep freeDeep
Fluke of Defenestration Confirmed in the catalog

Defenestration @16924

North Pacific humpback. Catalogued since 2008.

Chatham Strait · North Pacific

Public · Not set by this account.

74 Following 398 Followers
160
Sightings
19
Years
4
Crossings
Last 12 months 49 sightings
  1. N 2025-11: 0 sightings
  2. D 2025-12: 0 sightings
  3. J 2026-01: 0 sightings
  4. F 2026-02: 0 sightings
  5. M 2026-03: 1 sighting
  6. A 2026-04: 0 sightings
  7. M 2026-05: 0 sightings
  8. J 2026-06: 1 sighting
  9. J 2026-07: 8 sightings
  10. A 2026-08: 28 sightings
  11. S 2026-09: 11 sightings
  12. O 2026-10: 0 sightings

Activities

18 in Risa
Activity map — real sighting points on an OpenStreetMap basemap © OpenStreetMap contributors
 Icy Strait, Every Season Mar 27 – Sep 21, 2026 · Lynn Canal & Stephens Passage · 49 sightings Deepest dive197 m Longest dive7:22
Activity map — real sighting points on an OpenStreetMap basemap © OpenStreetMap contributors
 Chatham Strait · Jun – Aug 2025 Jun 25 – Aug 26, 2025 · Chatham Strait · 10 sightings Deepest dive64 m Longest dive2:34
Activity map — real sighting points on an OpenStreetMap basemap © OpenStreetMap contributors
 Au'au Channel · Jan 2025 Jan 18, 2025 · Au'au Channel · 1 sighting Deepest dive30 m Longest dive1:32
Activity map — real sighting points on an OpenStreetMap basemap © OpenStreetMap contributors
 Chatham Strait · Jun – Aug 2024 Jun 30 – Aug 22, 2024 · Chatham Strait · 4 sightings Deepest dive131 m Longest dive5:05
Activity map — real sighting points on an OpenStreetMap basemap © OpenStreetMap contributors
 Sitka Sound & Outer Baranof · Mar – Aug 2023 Mar 21 – Aug 21, 2023 · Sitka Sound & Outer Baranof · 24 sightings Deepest dive149 m Longest dive5:15
Activity map — real sighting points on an OpenStreetMap basemap © OpenStreetMap contributors
 Chatham Strait · Jun – Aug 2022 Jun 28 – Aug 29, 2022 · Chatham Strait · 11 sightings Deepest dive141 m Longest dive4:54
Activity map — real sighting points on an OpenStreetMap basemap © OpenStreetMap contributors
 Au'au Channel · Feb – Mar 2022 Feb 19 – Mar 2, 2022 · Au'au Channel · 2 sightings Deepest dive46 m Longest dive1:50
Activity map — real sighting points on an OpenStreetMap basemap © OpenStreetMap contributors
 Chatham Strait · Jul – Oct 2021 Jul 25 – Oct 5, 2021 · Chatham Strait · 8 sightings Deepest dive139 m Longest dive5:22
Activity map — real sighting points on an OpenStreetMap basemap © OpenStreetMap contributors
 Glacier Bay & Icy Strait · Jul – Sep 2020 Jul 24 – Sep 6, 2020 · Glacier Bay & Icy Strait · 4 sightings Deepest dive154 m Longest dive7:41
Activity map — real sighting points on an OpenStreetMap basemap © OpenStreetMap contributors
 Chatham Strait · Sep 2018 Sep 1, 2018 · Chatham Strait · 1 sighting Deepest dive16 m Longest dive1:07
Activity map — real sighting points on an OpenStreetMap basemap © OpenStreetMap contributors
 Sitka Sound & Outer Baranof · Mar 2018 Mar 18 – 29, 2018 · Sitka Sound & Outer Baranof · 5 sightings Deepest dive29 m Longest dive1:17
Activity map — real sighting points on an OpenStreetMap basemap © OpenStreetMap contributors
 Glacier Bay & Icy Strait · Jul 2017 Jul 27, 2017 · Glacier Bay & Icy Strait · 1 sighting Deepest dive71 m Longest dive3:01
Activity map — real sighting points on an OpenStreetMap basemap © OpenStreetMap contributors
 Chatham Strait · Jul 2015 Jul 9, 2015 · Chatham Strait · 1 sighting Deepest dive48 m Longest dive1:59
Activity map — real sighting points on an OpenStreetMap basemap © OpenStreetMap contributors
 Lynn Canal & Stephens Passage · Jul – Aug 2014 Jul 3 – Aug 6, 2014 · Lynn Canal & Stephens Passage · 4 sightings Deepest dive82 m Longest dive3:08
Activity map — real sighting points on an OpenStreetMap basemap © OpenStreetMap contributors
 Glacier Bay & Icy Strait · Jul 2012 Jul 21, 2012 · Glacier Bay & Icy Strait · 1 sighting Deepest dive62 m Longest dive2:08
Activity map — real sighting points on an OpenStreetMap basemap © OpenStreetMap contributors
 Chatham Strait · Dec 2011 Dec 4, 2011 · Chatham Strait · 1 sighting Deepest dive25 m Longest dive1:08
Activity map — real sighting points on an OpenStreetMap basemap © OpenStreetMap contributors
 Glacier Bay & Icy Strait · Sep 2010 Sep 3, 2010 · Glacier Bay & Icy Strait · 1 sighting Deepest dive91 m Longest dive3:50
Activity map — real sighting points on an OpenStreetMap basemap © OpenStreetMap contributors
 Glacier Bay & Icy Strait · Aug 2008 Aug 14, 2008 · Glacier Bay & Icy Strait · 1 sighting Deepest dive136 m Longest dive5:50

✳ Dive stats modelled, not measured

Sighting records from Happywhale, published as occurrence data via GBIF. Individual records are licensed CC0 1.0, CC BY 4.0 or CC BY-NC 4.0, depending on the contributor.

The photographs and fluke identifications behind every sighting are the work of the contributing observers — the citizen scientists, naturalists and operators who logged them, each named in the underlying GBIF occurrence record. Every activity links out to its source encounters on Happywhale. Basemaps © OpenStreetMap contributors (ODbL).

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Breach is an independent project. It is not affiliated with, nor endorsed by, Happywhale or GBIF.