在生物学上,同种族生物数目越多,更加容易收到种族病毒的侵害.In biology a more homogeneous population is more susceptible to a genocidal plague.成年海豚企图杀死同种族的刚出生的小海豚.Adult tucuxi dolphins have been seen trying to kill a newborn calf of their own species...

“同种族”的英语可以翻译为：agnate ...