This is in consonance with their being polygamous.

在此作品中有无更多的和协音程或是不和协的？

Dr Pollet tests it by studying polygamous households.

波兰特教授通过对一夫多妻家庭的研究来证明。

Often, though, the wives are unaware of the polygamous situation.

然而通常妻子都没有察觉到一夫多妻的状态。

Polygamous males decrease faster in number as they grow older.

多配物种的雄性随着年老，数量就会减少。