Male parental investment reflects the level of partner contributions and brood value in tree swallows
A. Z. Lendvai, C. Akcay, M. Stanback, M. F. Haussmann, I. T. Moore, F. Bonier
The paper shows that male parental effort in tree swallows matches female effort increases only in populations with lower sexual conflict, suggesting partner signals coordinate care when brood value is uncertain.
bioRxiv · Nov 8, 2017Animal Behavior & Cognition