Australian green tree frogs are nocturnal hunters and mainly eat insects like crickets, wood cockroaches and will also eat worms. They grab their prey and use their large hands to push their food into their mouths.It is believed they can eat about 20% of their body weight in insects
These frogs aren’t good jumpers, but are great climbers, using their sticky fingers and belly to climb surfaces. They have large disc like pads on the ends of their fingers and toes o assist climbing and have long strong hind legs to help them leap and shorter front legs for gripping
Overfeeding the green tree frog is a common problem when in captivity. They can become overweight when fed too much. In the wild, the frog's energy is needed to catch its prey, but when fed fat juicy crickets by hand that energy isn’t expended. When the frog is inactive, it will gain weight. An overweight green tree frog will have fat layers on top of the head and body. This gives it a "dumpy" look. This is why they are sometimes called the "dumpy tree frog”.
When the frogs swallow their eyes pull down slightly into the head as the swallowing muscle is also attached to the eyes.
The first age at which females are known to first reproduce is 2-3 years of age. The external fertilisation of eggs in shallow water is termed spawning They can lay anything from 500 – 3000 eggs on the waters surface in single clumps. Tadpoles change into frogs by undergoing metamorphosis – developing lungs, growing legs, absorbing their tail and leaving the water.