mammals Archives - WTF Facts

there are more than 5000 mammals on our planet but

June 4, 2019March 28, 2019

There are more than 5000 mammals on our planet but Humans (Homo Sapiens) are the only ones with permanent breasts. All other mammals develop temporary breasts during ovulation or when nursing in order to produce milk for their offspring and they disappear afterwards.

There are more than 5000 mammals on our planet but Humans (Homo Sapiens) are the only ones with permanent breasts. … Read More & Source