Table 5-17. AVERAGE AGE OF PUBERTY IN SOME MAMMALS

Species			Age

Cuis			14 days
Mouse, rat		6 weeks
Opossum			5 months
Goat, pig, sheep		6 months
Rabbit			8 months
Cat, cattle			10 months
Armadillo, dog		1 year
Horse			1.2 years
Kangaroo			2 years
Rhesus monkey		3 years
Seal, whale		5 years
Gorilla, rhinoceros		6 years
Chimpanzee		8 years
Hippopotamus		9 years
Elephant, human		12 years