不知道尽守父职的雄蟑螂，能否给名声扫地的蟑螂家族挣来一点点声誉？雄蟑螂为了哺育嗷嗷待哺的后代，会吃下鸟粪，仅为了给小蟑螂提取氮这一营养物质。

Cockroach¹（蟑螂）： A father cockroach eats bird droppings （鸟粪） to obtain precious nitrogen（氮）, which he carries back to feed his young.