Cooperative males reduce incubation in response to cues of female–female competition
Why this work is in the frame
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Bibliographic record
Abstract
Social groups of the joint‐laying Pukeko P orphyrio porphyrio melanotus typically contain one or two breeding females. Male Pukeko mated to two females father more offspring and therefore benefit from this mating arrangement; however, primary females should not prefer this system, because fewer eggs hatch per female in the larger joint clutches. Here, we investigated male response to simulated egg destruction, a common female competitive tactic observed in other joint‐laying species. In response to egg removal, males reduced the consistency of their incubation and in some cases nests were abandoned. Such decreases in paternal effort could eliminate any putative advantage gained by a female that destroys the eggs of a co‐nester. Our study demonstrates facultative adjustments in paternal care in a joint‐laying species and suggests that primary females may be limited in their ability to monopolize reproduction.
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Full frame distilled prediction
Teacher imitationNot 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.
Codex and Gemma teacher scores by category
| Category | Codex | Gemma |
|---|---|---|
| Metaresearch | 0.000 | 0.000 |
| Meta-epidemiology (narrow) | 0.000 | 0.000 |
| Meta-epidemiology (broad) | 0.000 | 0.000 |
| Bibliometrics | 0.000 | 0.000 |
| Science and technology studies | 0.000 | 0.000 |
| Scholarly communication | 0.000 | 0.000 |
| Open science | 0.000 | 0.000 |
| Research integrity | 0.000 | 0.000 |
| Insufficient payload (model declined to judge) | 0.001 | 0.000 |
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.
score_only:v0-immature-baseline · verbatim from the scoring run: score_only means the number may rank works, and no category label ships from it