{
  "id": "ark:/99999/dp-seabird-foraging-facilitation.v2",
  "concept": "ark:/99999/dp-seabird-foraging-facilitation",
  "url": "https://datasetpapers.com/papers/behavioural-ecology-seabird-foraging-facilitation/",
  "title": "Conspecific penguins raise a volant seabird's prey-catch rate, while its foraging mode does not — an exposure-adjusted re-analysis",
  "source_dataset": {
    "title": "Data from: Up for grabs — prey herding by penguins facilitates shallow foraging by volant seabirds",
    "doi": "10.5061/dryad.5q04b32",
    "license": "CC0-1.0"
  },
  "verification": {
    "method": "re_execution",
    "status": "matched",
    "reproduced": true,
    "ran_at": "2026-07-07T20:14:22Z",
    "record": "verification.json"
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    "passed": true,
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    "novelty_grade": "A",
    "failed": []
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      "id": "ark:/99999/dp-seabird-foraging-facilitation.v2/claim-1",
      "n": 1,
      "triple": {
        "subject": "the volant seabird's prey-catch rate",
        "predicate": "increases with",
        "object": "the number of conspecific penguins present"
      },
      "assertion_text": "In a Poisson GEE with a log bout-duration offset and clustering by bird, prey-catch rate rose with conspecific penguin number (rate ratio 1.030 per additional penguin, 95% CI 1.004-1.057, p = 0.025; Benjamini-Hochberg 0.050), and strongly so when aggregated to one value per bird (p < 0.001) — consistent with prey-herding facilitation.",
      "novelty_grade": "A",
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        {
          "label": "conspecific penguin count",
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          "id": null,
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        },
        {
          "label": "prey-capture rate",
          "role": "response",
          "id": "GO:0060756",
          "iri": "http://purl.obolibrary.org/obo/GO_0060756",
          "ontology": "go",
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        }
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      "n": 2,
      "triple": {
        "subject": "the seabird's foraging interaction mode (flight vs surface)",
        "predicate": "has no clear effect on",
        "object": "its prey-catch rate"
      },
      "assertion_text": "Interaction mode was not associated with catch rate (flight vs surface rate ratio 1.21, 95% CI 0.64-2.30, p = 0.56) in the same GEE.",
      "novelty_grade": "C",
      "mode": "confirmatory-test-negative",
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            "flight",
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      "n": 3,
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        "subject": "the null interaction-mode effect",
        "predicate": "is inconclusive rather than negligible",
        "object": "at the available sample size"
      },
      "assertion_text": "A two-one-sided-tests equivalence test against a 1.5x rate-ratio margin did not establish equivalence for the mode effect (TOST p = 0.26), so the mode null reflects low power (57 bouts) rather than a demonstrated absence of effect.",
      "novelty_grade": "B",
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        {
          "label": "equivalence bound",
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      "triple": {
        "subject": "the conspecific-facilitation effect",
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        "object": "the count-model dispersion assumption"
      },
      "assertion_text": "The conspecific effect is significant under the Poisson GEE and the per-bird aggregate (p < 0.001) but attenuates under a negative-binomial GLM without clustering (p = 0.15), so it should be read as moderate, robustness-checked evidence rather than a settled effect.",
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