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

Barbera – Residency

5th sighting in Chatham Strait
Fluke of Barbera
Barbera Confirmed in the catalog @5310
Jun 14 – Aug 28, 2019 · Chatham Strait

Chatham Strait · Jun – Aug 2019

77 m
Deepest dive
2:34
Longest dive
43
Dives
Sightings
5
Days between first and last sighting
74

Dive stats modelled within real depth limits — not measured

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SightingSeafloorSea tempDeepest dive (modelled)
Jun 14, 2019158 m—42 m
Jul 21, 2019269 m—53 m
Aug 24, 2019117 m—77 m
Aug 26, 2019-7 m——
Aug 28, 201993 m—46 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
Jun 14, 2019 — seafloor 158 m (measured), deepest dive 42 m (modelled)Jun 14Jul 21, 2019 — seafloor 269 m (measured), deepest dive 53 m (modelled)Jul 21Aug 24, 2019 — seafloor 117 m (measured), deepest dive 77 m (modelled)Aug 24Aug 26, 2019 — seafloor -7 m (measured), deepest dive — (modelled)Aug 26Aug 28, 2019 — seafloor 93 m (measured), deepest dive 46 m (modelled)Aug 28

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

Dives

77 m
Deepest dive
2:34
Longest dive
43
Dives
22 m
Avg dive depth
5
Sightings
74
Days first → last

Dive metrics are modelled within real depth limits — not measured

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Dive profile

modelled
05010077 mstartdive sequence (illustrative)

Depth shaped by the seafloor limit here (117 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 · Aug 24, 2019

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

Across the residency · 5 sightings

measured
Seafloor depth
-7 m – 269 m
Sea-surface temperature
—
Distance from shore
1.0 km – 2.0 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 5 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.