In species like the painted redstart, where females engage in extra-pair copulat

Question

In species like the painted redstart, where females engage in extra-pair copulations (EPC mate), what would sexual selection theory predict about the EPC mate compared to the social mate?

the territory of the EPC mate should be larger than that of the social mate

the EPC mate should provide parental care unlike the social mate

the EPC mate should be related to the social mate

the coloration of the EPC mate should be brighter than that of the social mate

all of the above

the territory of the EPC mate should be larger than that of the social mate

the EPC mate should provide parental care unlike the social mate

the EPC mate should be related to the social mate

the coloration of the EPC mate should be brighter than that of the social mate

all of the above

Explanation / Answer

d. the coloration of the EPC mate should be brighter than that of the social mate

In species like the painted redstart, where females engage in extra-pair copulations (EPC mate). If a female of one pair copulate with another male (means other than bonded male), we call it as extra pair coupling. In extra pair coupling, the father of the offspring may always not the bonded male. This type of mating behavior is absent in some bird species but is an essential breeding strategy in some bird species.

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