Extended Data Fig. 4: No clear evidence that kinship impacts the probability of reciprocal helping.
From: A cryptic role for reciprocal helping in a cooperatively breeding bird
Posterior probability distributions (with means and 95% Bayesian credible intervals) are shown for a possible interaction between kinship and reciprocal help across all helpers (circle, violet), including individuals of unknown dispersal history, as well as for male (blue) and female (red) helpers who are residents (triangles) or immigrants (square). A positive or negative estimate would indicate that greater kinship increases or decreases the probability of reciprocal helping versus one-way helping. Regression coefficients, sample sizes, and convergence diagnostics are provided in Extended Data Table 2.
