Orestes mouhotii: Differences Between Males and Females Female Orestes mouhotii are larger and stockier, while males are slimmer and have distinctive horn-like projections on their heads. Read more
Green Vine Snake Venom: Fangs at the Back of the Mouth The green vine snake (Ahaetulla nasuta) has venom-delivering fangs positioned toward the back of its upper jaw. Read more
Siamese fighting fish: colours, rivalry and remarkable adaptations The spectacular colours and fin shapes of domestic Siamese fighting fish are the result of generations of selective breeding. Read more