Activity map — real sighting points on an OpenStreetMap basemap © OpenStreetMap contributors
Sitka Sound & Outer Baranof

Ditty – Residency

8th sighting in Sitka Sound & Outer Baranof
Fluke of Ditty
Ditty Confirmed in the catalog @18498
Aug 19 – Oct 11, 2025 · Sitka Sound & Outer Baranof

Sitka Sound & Outer Baranof · Aug – Oct 2025

75 m
Deepest dive
3:46
Longest dive
26
Dives
Sightings
5
Days between first and last sighting
53

Dive stats modelled within real depth limits — not measured

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SightingSeafloorSea tempDeepest dive (modelled)
Aug 19, 202583 m14.9°C75 m
Aug 22, 202576 m14.7°C39 m
Aug 27, 2025155 m15.7°C44 m
Sep 12, 202583 m13.6°C63 m
Oct 11, 2025144 m11.3°C71 m

Seafloor and sea temperature measured · ✳ dives modelled

Activity map — real sighting points on an OpenStreetMap basemap © OpenStreetMap contributors

Deepest dive against the seafloor, per sighting

Seafloor · measured Deepest dive · modelled
Aug 19, 2025 — seafloor 83 m (measured), deepest dive 75 m (modelled)Aug 19Aug 22, 2025 — seafloor 76 m (measured), deepest dive 39 m (modelled)Aug 22Aug 27, 2025 — seafloor 155 m (measured), deepest dive 44 m (modelled)Aug 27Sep 12, 2025 — seafloor 83 m (measured), deepest dive 63 m (modelled)Sep 12Oct 11, 2025 — seafloor 144 m (measured), deepest dive 71 m (modelled)Oct 11

Depth runs down from the surface. The modelled dive never passes the measured seafloor at that sighting.

Dives

75 m
Deepest dive
3:46
Longest dive
26
Dives
29 m
Avg dive depth
5
Sightings
53
Days first → last

Dive metrics are modelled within real depth limits — not measured

Get actual dive data with Risa Deep →

Dive profile

modelled
05010075 mstartdive sequence (illustrative)

Depth shaped by the seafloor limit here (83 m) and the published dive-behaviour distribution. Modelled, not measured.

Deep Effort Score

Deep

Depth, duration and recovery resolved into a single number for this session.

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Place

Where this happened · Aug 19, 2025

measured
Seafloor depth
83 m
Sea-surface temperature
14.9°C
Distance from shore
1.0 km

Across the residency · 5 sightings

measured
Seafloor depth
76 m – 155 m
Sea-surface temperature
11.3°C – 15.7°C
Distance from shore
1.0 km – 6.0 km

Sources: GEBCO seafloor grid · NASA JPL MUR sea temperature · PacIOOS coastline distance

Activity map — real sighting points on an OpenStreetMap basemap © OpenStreetMap contributors

Source records

This activity is assembled from 5 catalogued encounters on Happywhale.

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.