{
  "id": "ark:/99999/dp-seabird-foraging-facilitation.v1",
  "concept": "ark:/99999/dp-seabird-foraging-facilitation",
  "type": "datasetpaper",
  "title": "Prey-catch counts of a volant seabird are unrelated to interaction mode or conspecific-penguin number during foraging bouts",
  "discipline": "seabird foraging ecology",
  "description": "Across 57 observed foraging bouts, a volant seabird's prey-catch count did not differ between its two interaction modes: flight bouts (median 4, n=22) ver…",
  "url": "https://datasetpapers.com/papers/behavioural-ecology-seabird-foraging-facilitation/",
  "trust_distance": 0,
  "verification": {
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    "re_executed": 6,
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  "byline": {
    "software_agent": {
      "name": "Claude Opus 4.8",
      "model_id": "claude-opus-4-8"
    },
    "data_creators": [
      "Alistair McInnes",
      "Pierre Pistorius"
    ],
    "question_asker": "Mark Hahnel"
  },
  "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",
    "landing_url": "https://zenodo.org/records/4964380",
    "download_url": "https://zenodo.org/records/4964380/files/upforgrabs_lmm_data.csv?download=1"
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  ],
  "claims": [
    {
      "n": 1,
      "subject": "volant seabird prey-catch count per bout",
      "predicate": "does not differ between",
      "object": "flight and surface interaction modes",
      "assertion_text": "Prey-catch count did not differ between flight bouts (median 4, mean 6.77, n=22) and surface bouts (median 3, mean 9.46, n=35): Mann-Whitney U=397, p=0.849, rank-biserial r=0.031.",
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      "confidence": 0.9,
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      "ark": "ark:/99999/dp-seabird-foraging-facilitation.v1/claim-1"
    },
    {
      "n": 2,
      "subject": "volant seabird prey-catch count per bout",
      "predicate": "does not increase with",
      "object": "maximum number of conspecific penguins present (conspmax)",
      "assertion_text": "Prey-catch count showed no monotonic increase with the maximum number of conspecific penguins present: Spearman rho=0.041, p=0.760, n=57.",
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    {
      "n": 3,
      "subject": "catch-conspecific correlation",
      "predicate": "remains null when using",
      "object": "conspecifics present at bout start (conspinit)",
      "assertion_text": "Replacing conspmax with the start-of-bout conspecific count leaves the association null: Spearman rho=-0.069, p=0.610, n=57.",
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    },
    {
      "n": 4,
      "subject": "catch-conspecific correlation within interaction mode",
      "predicate": "is not significant in",
      "object": "either flight or surface bouts",
      "assertion_text": "Within-mode Spearman correlations of catch with conspmax are non-significant in both modes: flight rho=0.228, p=0.308, n=22; surface rho=0.002, p=0.990, n=35.",
      "supported_by": [
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      "ark": "ark:/99999/dp-seabird-foraging-facilitation.v1/claim-4"
    },
    {
      "n": 5,
      "subject": "catch-conspecific correlation family",
      "predicate": "survives no test after",
      "object": "Benjamini-Hochberg and Holm multiplicity correction",
      "assertion_text": "Across the four-test correlation family, all Benjamini-Hochberg adjusted p-values equal 0.990 and all Holm adjusted p-values equal 1.0, so no test is significant after correction.",
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      "ark": "ark:/99999/dp-seabird-foraging-facilitation.v1/claim-5"
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    {
      "n": 6,
      "subject": "null findings for mode difference and conspecific association",
      "predicate": "are robust to",
      "object": "pseudoreplication (per-bird aggregation)",
      "assertion_text": "Collapsing the 57 bouts to 19 individual birds leaves both conclusions unchanged: per-ID mode difference U=15.0, p=0.876 (3 flight vs 11 surface birds); per-ID catch-conspmax Spearman rho=-0.089, p=0.719.",
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