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

Tringa – Residency

9th sighting in Chatham Strait
Fluke of Tringa
Tringa Confirmed in the catalog @15639
Jun 30 – Jul 1, 2022 · Chatham Strait

Chatham Strait · Jun – Jul 2022

57 m
Deepest dive
1:43
Longest dive
29
Dives
Sightings
3
Days between first and last sighting
1

Dive stats modelled within real depth limits — not measured

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SightingSeafloorSea tempDeepest dive (modelled)
Jun 30, 202270 m—22 m
Jun 30, 202247 m—37 m
Jul 1, 202293 m—57 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 30, 2022 — seafloor 70 m (measured), deepest dive 22 m (modelled)Jun 30Jun 30, 2022 — seafloor 47 m (measured), deepest dive 37 m (modelled)Jun 30Jul 1, 2022 — seafloor 93 m (measured), deepest dive 57 m (modelled)Jul 1

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

Dives

57 m
Deepest dive
1:43
Longest dive
29
Dives
17 m
Avg dive depth
3
Sightings
1
Days first → last

Dive metrics are modelled within real depth limits — not measured

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Dive profile

modelled
05010057 mstartdive sequence (illustrative)

Depth shaped by the seafloor limit here (93 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 · Jul 1, 2022

measured
Seafloor depth
93 m
Sea-surface temperature
—
Distance from shore
5.0 km

Across the residency · 3 sightings

measured
Seafloor depth
47 m – 93 m
Sea-surface temperature
—
Distance from shore
5.0 km – 6.0 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.