Activity map — real sighting points on an OpenStreetMap basemap © OpenStreetMap contributors
Salish Sea

Heather – Residency

60th sighting in Salish Sea
Fluke of Heather
Heather Confirmed in the catalog @533
Jun 10 – Aug 28, 2020 · Salish Sea

Salish Sea · Jun – Aug 2020

146 m
Deepest dive
4:33
Longest dive
61
Dives
Sightings
7
Days between first and last sighting
79
Deepest dive on record
146 m · this residency

Dive stats modelled within real depth limits — not measured

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SightingSeafloorSea tempDeepest dive (modelled)
Jun 10, 2020112 m11.3°C72 m
Jun 28, 2020147 m13.5°C74 m
Jul 30, 202094 m17.5°C19 m
Aug 1, 2020269 m17.3°C39 m
Aug 2, 2020250 m16.8°C71 m
Aug 3, 2020225 m16.8°C146 m
Aug 28, 2020383 m16.7°C42 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 10, 2020 — seafloor 112 m (measured), deepest dive 72 m (modelled)Jun 10Jun 28, 2020 — seafloor 147 m (measured), deepest dive 74 m (modelled)Jun 28Jul 30, 2020 — seafloor 94 m (measured), deepest dive 19 m (modelled)Jul 30Aug 1, 2020 — seafloor 269 m (measured), deepest dive 39 m (modelled)Aug 1Aug 2, 2020 — seafloor 250 m (measured), deepest dive 71 m (modelled)Aug 2Aug 3, 2020 — seafloor 225 m (measured), deepest dive 146 m (modelled)Aug 3Aug 28, 2020 — seafloor 383 m (measured), deepest dive 42 m (modelled)Aug 28

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

Dives

146 m
Deepest dive
4:33
Longest dive
61
Dives
25 m
Avg dive depth
7
Sightings
79
Days first → last

Dive metrics are modelled within real depth limits — not measured

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Dive profile

modelled
075150146 mstartdive sequence (illustrative)

Depth shaped by the seafloor limit here (225 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 3, 2020

measured
Seafloor depth
225 m
Sea-surface temperature
16.8°C
Distance from shore
10.0 km

Across the residency · 7 sightings

measured
Seafloor depth
94 m – 383 m
Sea-surface temperature
11.3°C – 17.5°C
Distance from shore
1.0 km – 11.0 km

Sources: GEBCO seafloor grid · NASA JPL MUR sea temperature · PacIOOS coastline distance

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

Source records

This activity is assembled from 7 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.