Multiple parasitism promotes facultative host acceptance of cuckoo eggs and rejection of cuckoo chicks
H.-J. Noh, R. Gloag, N. E. Langmore
The paper tests the clutch dilution hypothesis in gerygones, finding higher egg survival when they accept cuckoo eggs, but also flexibility in rejecting them when clutches contain only cuckoo eggs.
bioRxiv · Aug 18, 2021Animal Behavior & Cognition