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

Magpie – Residency

3rd sighting in Gulf of Maine
Fluke of Magpie
Magpie Confirmed in the catalog @7319
Jul 24 – Aug 31, 2021 · Gulf of Maine

Gulf of Maine · Jul – Aug 2021

118 m
Deepest dive
4:39
Longest dive
35
Dives
Sightings
3
Days between first and last sighting
38

Dive stats modelled within real depth limits — not measured

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SightingSeafloorSea tempDeepest dive (modelled)
Jul 24, 2021130 m—118 m
Aug 6, 202130 m—21 m
Aug 31, 202168 m—28 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
Jul 24, 2021 — seafloor 130 m (measured), deepest dive 118 m (modelled)Jul 24Aug 6, 2021 — seafloor 30 m (measured), deepest dive 21 m (modelled)Aug 6Aug 31, 2021 — seafloor 68 m (measured), deepest dive 28 m (modelled)Aug 31

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

Dives

118 m
Deepest dive
4:39
Longest dive
35
Dives
19 m
Avg dive depth
3
Sightings
38
Days first → last

Dive metrics are modelled within real depth limits — not measured

Get actual dive data with Risa Deep →

Dive profile

modelled
075150118 mstartdive sequence (illustrative)

Depth shaped by the seafloor limit here (130 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 24, 2021

measured
Seafloor depth
130 m
Sea-surface temperature
—
Distance from shore
9.0 km

Across the residency · 3 sightings

measured
Seafloor depth
30 m – 130 m
Sea-surface temperature
—
Distance from shore
4.0 km – 10.0 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.