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

Papercut – Residency

3rd sighting in Sitka Sound & Outer Baranof
Fluke of Papercut
Papercut Confirmed in the catalog @10959
Mar 20 – Jun 6, 2023 · Sitka Sound & Outer Baranof

Sitka Sound & Outer Baranof · Mar – Jun 2023

72 m
Deepest dive
2:26
Longest dive
43
Dives
Sightings
4
Days between first and last sighting
78

Dive stats modelled within real depth limits — not measured

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SightingSeafloorSea tempDeepest dive (modelled)
Mar 20, 2023162 m—52 m
Mar 21, 2023112 m—72 m
Mar 22, 202357 m—41 m
Jun 6, 2023246 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 20, 2023 — seafloor 162 m (measured), deepest dive 52 m (modelled)Mar 20Mar 21, 2023 — seafloor 112 m (measured), deepest dive 72 m (modelled)Mar 21Mar 22, 2023 — seafloor 57 m (measured), deepest dive 41 m (modelled)Mar 22Jun 6, 2023 — seafloor 246 m (measured), deepest dive 31 m (modelled)Jun 6

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

Dives

72 m
Deepest dive
2:26
Longest dive
43
Dives
18 m
Avg dive depth
4
Sightings
78
Days first → last

Dive metrics are modelled within real depth limits — not measured

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Dive profile

modelled
05010072 mstartdive sequence (illustrative)

Depth shaped by the seafloor limit here (112 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 21, 2023

measured
Seafloor depth
112 m
Sea-surface temperature
—
Distance from shore
1.0 km

Across the residency · 4 sightings

measured
Seafloor depth
57 m – 246 m
Sea-surface temperature
—
Distance from shore
1.0 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 4 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.