Venomous vs Poisonous difference examples using Trinidad herpetofauna

Figure and photos by Renoir Auguste.
On the left top & bottom: Cane Toad (Rhinella marina)
On the right top: Mapepire Balsain or fer-de-lance (Bothrops atrox)
On the right bottom: large coral snake (Micrurus diutius)
All species were photographed in Trinidad.