BCY1521 – Residency
4th sighting in Haida Gwaii
BCY1521 @125573
Jun 10 – Aug 17, 2025 · Haida Gwaii
Haida Gwaii · Jun – Aug 2025
56 m
Deepest dive
2:31
Longest dive
19
Dives
- Sightings
- 2
- Days between first and last sighting
- 68
- Deepest dive on record
- 56 m · this residency
Dive stats modelled within real depth limits — not measured
Get actual dive data with Risa Deep →| Sighting | Seafloor | Sea temp | Deepest dive (modelled) |
|---|---|---|---|
| Jun 10, 2025 | 103 m | — | 56 m |
| Aug 17, 2025 | 118 m | — | 26 m |
Seafloor and sea temperature measured · ✳ dives modelled
Deepest dive against the seafloor, per sighting
Seafloor · measured Deepest dive · modelledDepth runs down from the surface. The modelled dive never passes the measured seafloor at that sighting.
Dives
56 m
Deepest dive
2:31
Longest dive
19
Dives
23 m
Avg dive depth
2
Sightings
68
Days first → last
Dive metrics are modelled within real depth limits — not measured
Get actual dive data with Risa Deep →Dive profile
modelledDepth shaped by the seafloor limit here (103 m) and the published dive-behaviour distribution. Modelled, not measured.
Deep Effort Score
DeepPlace
Where this happened · Jun 10, 2025
measured- Seafloor depth
- 103 m
- Sea-surface temperature
- —
- Distance from shore
- —
Across the residency · 2 sightings
measured- Seafloor depth
- 103 m – 118 m
- Sea-surface temperature
- —
- Distance from shore
- 1.0 km
Sources: GEBCO seafloor grid · PacIOOS coastline distance
Source records
This activity is assembled from 2 catalogued encounters on Happywhale.