Social parasitism as an alternative reproductive tactic in a cooperatively breeding cuckoo

Social parasitism as an alternative reproductive tactic in a cooperatively breeding cuckoo

Social parasitism as an alternative reproductive tactic in a cooperatively breeding cuckoo, Published online: 27 February 2019; doi:10.1038/s41586-019-0981-1

Mixed-effects logistic regression modelling of a dataset of individual reproductive behaviours shows fitness pay-offs of cooperative versus mixed cooperative and parasitic reproductive strategies are approximately equal in female greater anis (Crotophaga major).