{
  "id": 14984289,
  "title": "FEED, FLEE, OR FACT-FIND: MODELING LATENT COGNITIVE-MECHANISTIC RESPONSES TO HETEROSPECIFIC ALARM CALLS FOR FORAGING CARDINALS",
  "url": "https://urgent.news/2026/10/16/feed-flee-or-fact-find-modeling-latent-cognitive-mechanistic",
  "topic": "science",
  "section": "Science",
  "published": "2026-10-16T00:00:00.000Z",
  "source": {
    "name": "bioRxiv",
    "slug": "biorxiv",
    "url": "https://www.biorxiv.org/content/10.64898/2026.10.12.758620v1?rss=1"
  },
  "original_language": "en",
  "account": "Heterospecific alarm calls convey predator information between species, yet the link between alarm signal variability and receiver behavior is not well understood. To explore this, researchers exposed foraging Northern cardinals to playbacks of tufted titmouse calls simulating diverse predator scenarios, ranging from moderate to urgent threats. A Bayesian model was built to analyze three cardinal responses—feeding, vigilant looks, and departure—to estimate a shared dimension of perceived predation risk. Inferred risk rose from baseline levels under contact calls to intermediate levels under owl-associated calls and peaked under ZZ calls. Higher risk led to decreased seed intake and increased likelihood of complete feeding cessation. Vigilance exhibited a nonlinear response, enhancing during intermediate risk levels before decreasing in favor of departure at the highest-risk condition. This suggests that receivers may continue evaluating threats under moderate danger but decrease vigilance when confronted with more pressing danger. While the study doesn't definitively prove whether these behavioral shifts stem from innate reactions or cognitive deliberation, the findings illustrate how heterospecific alarm calls correspond to varied, integrated defensive responses in cardinals.",
  "summary": "Heterospecific alarm calls allow animals to obtain information about predators from other species, but how receivers translate different forms of alarm information into defensive behavior remains poorly understood. In particular, signals may differ in whether they elicit rapid, relatively stereotyped responses or permit more graded evaluation of threat. We investigated this possibility by…",
  "key_points": [],
  "editors_take": null,
  "illustration": null,
  "coverage": {
    "outlets": 1,
    "also_reported_by": []
  },
  "ai_generated": true,
  "disclaimer": "Summaries, key points and the editor’s take are written by software from other outlets’ reporting and may contain errors — always check the linked original."
}