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

HW-MN1307266 – Residency

3rd sighting in Antarctic Peninsula
Fluke of HW-MN1307266
HW-MN1307266 Confirmed in the catalog @136494
Mar 1 – 11, 2025 · Antarctic Peninsula

Antarctic Peninsula · Mar 2025

38 m
Deepest dive
2:00
Longest dive
23
Dives
Sightings
3
Days between first and last sighting
10
Deepest dive on record
38 m · this residency

Dive stats modelled within real depth limits — not measured

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SightingSeafloorSea tempDeepest dive (modelled)
Mar 1, 202549 m—38 m
Mar 9, 2025149 m—37 m
Mar 11, 202556 m—21 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 1, 2025 — seafloor 49 m (measured), deepest dive 38 m (modelled)Mar 1Mar 9, 2025 — seafloor 149 m (measured), deepest dive 37 m (modelled)Mar 9Mar 11, 2025 — seafloor 56 m (measured), deepest dive 21 m (modelled)Mar 11

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

Dives

38 m
Deepest dive
2:00
Longest dive
23
Dives
17 m
Avg dive depth
3
Sightings
10
Days first → last

Dive metrics are modelled within real depth limits — not measured

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Dive profile

modelled
0255038 mstartdive sequence (illustrative)

Depth shaped by the seafloor limit here (49 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 1, 2025

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

Across the residency · 3 sightings

measured
Seafloor depth
49 m – 149 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 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.