Older Blue Tits are more faithful
But why do they still engage in extra-pair copulations?
But why do they still engage in extra-pair copulations?
Researchers count the number of extra-pair offspring in this falcon species.
Using the latest genomic tools to investigate jackdaw sexual behaviour
Pied Flycatchers do not gain more extra-pair paternity by arriving earlier
A study of extra-pair paternity in the Chilean Swallow
Is there extra-pair paternity in the cooperatively breeding Brown-headed Nuthatch?