I keep a female cat

You cannot make a silk purse out of a sow's ear

Is that dog male or female

A female kangaroo carries its young in the pouch

I have three dogs; one is male and the others are female

Koko is a female gorilla

The crocodile, which produces only male young in hotter weather, might die out too because there will be no females to breed

The authors state quite categorically that the female members of only a small number of species also sing

No sooner had the younger brother gone into the forest than he found the river, swam across it, and there on the other side was the she-bear, fast asleep