Gaboon Viper
The Gaboon viper has the longest fangs of any snake, up to about 5 cm, and produces more venom per bite than any other snake.
Reptile
Galápagos Giant Tortoise
Giant tortoises can survive for up to a year without eating or drinking, which is why passing sailors once took them on board as living food stores.
Gharial
Adult male gharials grow a bulbous knob on the tip of the snout, called a ghara after an Indian clay pot, which they use to make buzzing sounds.
Gila Monster
A hormone found in Gila monster saliva led to exenatide, the first of a group of modern diabetes drugs known as GLP-1 medicines.
Green Anaconda
The green anaconda is the heaviest snake in the world, and females can be several times heavier than males.
Green Sea Turtle
Female green turtles return to the same beach where they hatched, sometimes after travelling thousands of kilometres, navigating partly by Earth’s magnetic field.
Hawksbill Sea Turtle
Hawksbills eat sponges full of glass-like spikes that would harm most animals, and by doing so they help keep coral reefs healthy.
Inland Taipan
The inland taipan has the most toxic venom of any land snake, yet there is no record of it killing a person.
King Cobra
The king cobra is the only snake known to build a nest for its eggs, gathering leaves into a mound and guarding it.