Tag Archives | characters


Size Of Genitalia Dependent On Need To Fight

Indiana University researchers examining male horned beetles (Onthophagus Taurus) from four geographically separated populations say the groups have diverged significantly in the size of the male genitalia, and natural selection operating on the other end of the animal – the fighting horns atop the beetles’ heads (pictured) – seems to be driving it much more […]

Continue Reading

Powered by WordPress. Designed by WooThemes