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

Walbert – Residency

4th sighting in Antarctic Peninsula
Fluke of Walbert
Walbert Confirmed in the catalog @91431
Jan 9 – 15, 2026 · Antarctic Peninsula

Antarctic Peninsula · Jan 2026

167 m
Deepest dive
6:09
Longest dive
42
Dives
Sightings
3
Days between first and last sighting
6
Deepest dive on record
167 m · this residency

Dive stats modelled within real depth limits — not measured

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SightingSeafloorSea tempDeepest dive (modelled)
Jan 9, 2026245 m3.0°C113 m
Jan 14, 2026279 m—167 m
Jan 15, 2026329 m—76 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
Jan 9, 2026 — seafloor 245 m (measured), deepest dive 113 m (modelled)Jan 9Jan 14, 2026 — seafloor 279 m (measured), deepest dive 167 m (modelled)Jan 14Jan 15, 2026 — seafloor 329 m (measured), deepest dive 76 m (modelled)Jan 15

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

Dives

167 m
Deepest dive
6:09
Longest dive
42
Dives
36 m
Avg dive depth
3
Sightings
6
Days first → last

Dive metrics are modelled within real depth limits — not measured

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Dive profile

modelled
0100200167 mstartdive sequence (illustrative)

Depth shaped by the seafloor limit here (279 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 14, 2026

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

Across the residency · 3 sightings

measured
Seafloor depth
245 m – 329 m
Sea-surface temperature
3.0°C
Distance from shore
1.0 km

Sources: GEBCO seafloor grid · NOAA OISST sea temperature · 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.