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

HW-MN1301734 – Residency

12th sighting in Antarctic Peninsula
Fluke of HW-MN1301734
HW-MN1301734 Confirmed in the catalog @24470
Dec 17, 2024 – Jan 28, 2025 · Antarctic Peninsula

Antarctic Peninsula · Dec 2024 – Jan 2025

123 m
Deepest dive
4:10
Longest dive
38
Dives
Sightings
4
Days between first and last sighting
42
Deepest dive on record
123 m · this residency

Dive stats modelled within real depth limits — not measured

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SightingSeafloorSea tempDeepest dive (modelled)
Dec 17, 202498 m—62 m
Jan 4, 2025304 m—123 m
Jan 20, 2025313 m—35 m
Jan 28, 2025402 m—83 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
Dec 17, 2024 — seafloor 98 m (measured), deepest dive 62 m (modelled)Dec 17Jan 4, 2025 — seafloor 304 m (measured), deepest dive 123 m (modelled)Jan 4Jan 20, 2025 — seafloor 313 m (measured), deepest dive 35 m (modelled)Jan 20Jan 28, 2025 — seafloor 402 m (measured), deepest dive 83 m (modelled)Jan 28

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

Dives

123 m
Deepest dive
4:10
Longest dive
38
Dives
24 m
Avg dive depth
4
Sightings
42
Days first → last

Dive metrics are modelled within real depth limits — not measured

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Dive profile

modelled
075150123 mstartdive sequence (illustrative)

Depth shaped by the seafloor limit here (304 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 · Jan 4, 2025

measured
Seafloor depth
304 m
Sea-surface temperature
—
Distance from shore
2.0 km

Across the residency · 4 sightings

measured
Seafloor depth
98 m – 402 m
Sea-surface temperature
—
Distance from shore
1.0 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 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.