Figure 5From: Reproductive activity and advertisement calls of the Asian common toad Duttaphrynus melanostictus (Amphibia, Anura, Bufonidae) from Bach Ma National Park, Vietnam Seasonal changes in gonadal volume in males and females of D. melanostictus . (A) Testicular volume (black squares with centered cross sign). (B) Ovarian volume (white square with cross sign).Back to article page