{
  "oags": "0.2",
  "status": "alpha",
  "entry": {
    "id": "IB-corvid-horizontal-transmission",
    "type": "evidence",
    "claim": "Crows acquire dangerous-human recognition mostly by HORIZONTAL social learning: naive birds that had mobbed alongside knowledgeable birds later scolded at roughly 8x the control rate (27.8% of 54 vs 3.3% of 181).",
    "evidence_grade": "E1",
    "state": "verified",
    "primary_source_ref": [
      "Cornell, Marzluff & Pecoraro 2012, Proc. R. Soc. B"
    ],
    "quantities": "horizontal social learning ~8x: 27.8% of 54 vs 3.3% of 181"
  },
  "expand": [
    {
      "rel": "relates",
      "target": "IB-transmission-prior-attractor",
      "href": "https://infoblock.org/b/IB-transmission-prior-attractor/oags.json"
    }
  ],
  "incoming": [
    {
      "rel": "relates",
      "from": "IB-corvid-mob-recruitment",
      "href": "https://infoblock.org/b/IB-corvid-mob-recruitment/oags.json"
    }
  ],
  "links": [
    "https://infoblock.org/b/IB-transmission-prior-attractor/",
    "https://infoblock.org/b/IB-corvid-mob-recruitment/"
  ],
  "declared_losses": [
    "Public evidence-graph projection: internal analytic/theory edges and private provenance are withheld by design (empirics-only surface).",
    "Alpha: some primary-source refs are pending precise citation verification."
  ],
  "generated": "2026-07-30"
}