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

Devon – Residency

3rd sighting in Sitka Sound & Outer Baranof
Fluke of Devon
Devon Confirmed in the catalog @6104
Mar 23 – 31, 2018 · Sitka Sound & Outer Baranof

Sitka Sound & Outer Baranof · Mar 2018

31 m
Deepest dive
1:19
Longest dive
29
Dives
Sightings
3
Days between first and last sighting
8

Dive stats modelled within real depth limits — not measured

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SightingSeafloorSea tempDeepest dive (modelled)
Mar 23, 201824 m—16 m
Mar 25, 201824 m—16 m
Mar 31, 201851 m—31 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
Mar 23, 2018 — seafloor 24 m (measured), deepest dive 16 m (modelled)Mar 23Mar 25, 2018 — seafloor 24 m (measured), deepest dive 16 m (modelled)Mar 25Mar 31, 2018 — seafloor 51 m (measured), deepest dive 31 m (modelled)Mar 31

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

Dives

31 m
Deepest dive
1:19
Longest dive
29
Dives
13 m
Avg dive depth
3
Sightings
8
Days first → last

Dive metrics are modelled within real depth limits — not measured

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Dive profile

modelled
0255031 mstartdive sequence (illustrative)

Depth shaped by the seafloor limit here (51 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 · Mar 31, 2018

measured
Seafloor depth
51 m
Sea-surface temperature
—
Distance from shore
3.0 km

Across the residency · 3 sightings

measured
Seafloor depth
24 m – 51 m
Sea-surface temperature
—
Distance from shore
2.0 km – 3.0 km

Sources: GEBCO seafloor grid · PacIOOS coastline distance

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

Source records

This activity is assembled from 3 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.