Opposite-sex associations are linked with annual fitness, but sociality is stable over lifetime.
J. Dunning, T. Burke, A. H. H. Chan, H. Y. J. Chik, T. Evans, J. Schroeder
The paper examines how social associations affect annual and lifetime fitness in birds, finding short-term benefits but long-term stabilizing selection on sociality.
Behavioral Ecology · May 14, 2023Peer-reviewedEvolutionary Biology