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Record W4409277242 · doi:10.1898/nwn23-17

FIRST RECORDED ACCOUNT OF A HUMPBACK WHALE (MEGAPTERA NOVAEANGLIAE) FEEDING ON SPAWNING PACIFIC HERRING (CLUPEA PALLASII) IN THE SALISH SEA, AND LOOKING FORWARD

2025· article· en· W4409277242 on OpenAlexaffabout
Chloe V. Robinson, Brittany C. Visona‐Kelly, Gary J. Sutton, Michael W. D. Judson, Jared R. Towers

Bibliographic record

VenueNorthwestern Naturalist · 2025
Typearticle
Languageen
FieldEnvironmental Science
TopicMarine animal studies overview
Canadian institutionsWorld Wildlife Fund Canada
Fundersnot available
KeywordsClupeaHerringHumpback whalePacific herringFisheryOceanographyBiologyWhaleFish <Actinopterygii>Geology

Abstract

fetched live from OpenAlex

Humpback Whales (Megaptera novaeangliae) in the North Pacific are typically found in breeding grounds at low latitudes during winter months. However, some individuals remain on northern feeding grounds (including the Salish Sea) year-round or return to high latitudes earlier. Here, we report on the 1st documented case of a Humpback Whale foraging on winter-spawning Pacific Herring (Clupea pallasii) in the Salish Sea in British Columbia, Canada. We observed a single juvenile Humpback Whale lunge feeding on herring during the March herring spawn surrounding Hornby Island. Presence of Humpback Whales in foraging grounds during winter could suggest that this population is experiencing some degree of nutritional stress. Considering the lunge-feeding strategy used, high site fidelity, and rapid cultural transmission in Humpback Whale populations, if more individuals learn to take advantage of this winter resource, there is the potential for localized declines of herring through top-down forcing and increased risk of whale interactions with fishing vessels.

Fetched live from OpenAlex and de-inverted. Abstracts are not stored in this database: the inverted indexes are 8.6 GB of the frame’s 9.3 GB of text, and the host has 13 GB free.

How this classification was reachedexpand

Full frame distilled prediction

Teacher imitation

Not calibrated prevalence, not ground truth. Human validation pending. Learned from the 10,348 direct Codex labels and 10,348 direct Gemma labels. Candidate is the union of thresholded teacher heads; consensus is their intersection. These outputs are machine_predicted_unvalidated and are not human labels or direct frontier model labels.

metaresearch head score (Codex)0.001
metaresearch head score (Gemma)0.000
Version: codex-gemma-dda1882f352aValidation status: machine_predicted_unvalidated
Candidate categoriesnone
Consensus categoriesnone
DomainCandidate signal: none · Consensus signal: none
Study designCandidate signal: Observational · Consensus signal: Observational
GenreCandidate signal: Empirical · Consensus signal: Empirical
Teacher disagreement score0.119
Threshold uncertainty score0.990

Codex and Gemma teacher scores by category

CategoryCodexGemma
Metaresearch0.0010.000
Meta-epidemiology (narrow)0.0000.000
Meta-epidemiology (broad)0.0000.000
Bibliometrics0.0000.001
Science and technology studies0.0000.000
Scholarly communication0.0000.000
Open science0.0000.001
Research integrity0.0000.000
Insufficient payload (model declined to judge)0.0000.000

Machine scores (provisional)

The two teacher heads of the student model, read on this work. A score orders the frame for review; it never asserts a category, and the validation status ships verbatim with every row.

Baseline scores from an immature model (maturity gate not passed, 7 training rounds). Scores rank; they never assert a category.

Opus teacher head0.013
GPT teacher head0.241
Teacher spread0.228 · how far apart the two teachers sit on this one work
Validation statusscore_only:v0-immature-baseline · verbatim from the scoring run: score_only means the number may rank works, and no category label ships from it

Classification

machine, unvalidated

Machine predicted; a candidate call from one teacher head, not a consensus.

The models applied no category: nothing in the taxonomy fit this work.
Study designObservational
Domainnot available
GenreEmpirical

How this classification was reached, model by model and score by score, is at the end of the page under "How this classification was reached".

Quick stats

Citations2
Published2025
Admission routes2
Has abstractyes

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