Merck Manual

Please confirm that you are a health care professional

Hermann's tortoises, female and male
Hermann's tortoises, female and male

Hermann's tortoises, the female (top) has a shorter tail and flat plastron, whereas the male (bottom) has a longer tail and more concave plastron. These dimorphic characteristics are common to many species of chelonians.

Courtesy of Dr. Stephen Divers.

In these topics
Overview of Reptiles