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

ткач – Residency

9th sighting in Chukotka
Fluke of ткач
ткач Confirmed in the catalog @31440
Jul 30 – Aug 21, 2022 · Chukotka

Chukotka · Jul – Aug 2022

27 m
Deepest dive
1:20
Longest dive
83
Dives
Sightings
8
Days between first and last sighting
22

Dive stats modelled within real depth limits — not measured

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SightingSeafloorSea tempDeepest dive (modelled)
Jul 30, 202230 m—27 m
Aug 2, 202230 m—23 m
Aug 5, 202230 m—18 m
Aug 7, 202230 m—24 m
Aug 11, 202230 m—15 m
Aug 12, 202230 m—20 m
Aug 13, 202230 m—24 m
Aug 21, 202230 m—22 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 30, 2022 — seafloor 30 m (measured), deepest dive 27 m (modelled)Jul 30Aug 2, 2022 — seafloor 30 m (measured), deepest dive 23 m (modelled)Aug 2Aug 5, 2022 — seafloor 30 m (measured), deepest dive 18 m (modelled)Aug 5Aug 7, 2022 — seafloor 30 m (measured), deepest dive 24 m (modelled)Aug 7Aug 11, 2022 — seafloor 30 m (measured), deepest dive 15 m (modelled)Aug 11Aug 12, 2022 — seafloor 30 m (measured), deepest dive 20 m (modelled)Aug 12Aug 13, 2022 — seafloor 30 m (measured), deepest dive 24 m (modelled)Aug 13Aug 21, 2022 — seafloor 30 m (measured), deepest dive 22 m (modelled)Aug 21

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

Dives

27 m
Deepest dive
1:20
Longest dive
83
Dives
12 m
Avg dive depth
8
Sightings
22
Days first → last

Dive metrics are modelled within real depth limits — not measured

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Dive profile

modelled
0255027 mstartdive sequence (illustrative)

Depth shaped by the seafloor limit here (30 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 30, 2022

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

Across the residency · 8 sightings

measured
Seafloor depth
30 m
Sea-surface temperature
—
Distance from shore
1.0 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 8 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.