Relaxed selection diminishes social memory and expression of host defences against cuckoos
D. Tolman, K. Rönkä, E. Kluen, J. Jolkkonen, P. Di Bari, R. Ientile, D. Campobello, R. Thorogood
The paper tests how relaxed selection affects social memory and host defenses against cuckoos in reed warblers, finding that defenses degrade rapidly when selection is relaxed.
bioRxiv · Jan 14, 2024Animal Behavior & Cognition