Australian Green Tree Frog

Australian Green Tree Frog

Where in the world?

Warm, wet, tropical climates of northern and eastern Australia and lowlands of New Guinea.

 

Animal Facts:

The Australian Green Tree Frog, also called White’s or Dumpy Tree Frog, is a plump and rather large frog that can grow up to 4.5 inches in length. Fully grown females are slightly larger than males. In captivity this tree frog can live about 16 years, which is longer than most frogs.

The body color depends on the temperature and nature of the environment, ranging from brownish or greyish green to bright emerald green. The frog occasionally has small, irregularly shaped white spots on its back. Males have a greyish, wrinkled vocal sac under the throat, while the throat of females is white.

Docile and not scared of humans, Australian Green Tree Frogs are often found on window sills or inside houses eating insects.

Did you know?

The Green Tree Frog screams when it is in danger to scare off its foe and squeaks when it is touched.

 

Red-eyed Tree Frog

Red-eyed Tree Frog

Where in the world?

Rainforest canopies in Central America.

 

Animal Facts:

Adult female Red-eyed Tree Frogs grow up to 3 inches long, while the smaller males reach only 2 inches long.

These nocturnal frogs hide their purple or blue sides, orange toes, and red eyes while they sleep during the day, for excellent camouflage among leaves. At night, they hunt small insects and other arthropods.

When disturbed, these frogs open their bulging, bright red eyes. Red is often a color that indicates toxicity, and the sudden reveal is meant to momentarily distract the potential predator, giving the frog a chance to spring to safety.

Did you know?

Young froglets have yellow eyes after metamorphosis from the tadpole stage.  After about two weeks, red appears on the outer edge of the iris and spreads inward over a few days.

 

Siren

Siren

Where in the world?

Streams, swamps, lakes and rivers of the eastern United States and northern Mexico.

 

Animal Facts:

Sirens are a species of aquatic salamander and are some of the largest amphibians found in North America. They have an elongated body and range in color from black to brown, with lighter gray or yellow underbellies. They lack hind limbs and have external gills which they retain throughout their lives.

These animals are nocturnal and spend the day under rocks or burrowed in mud or thick vegetation. At night they hunt for insects, snails and other invertebrates.

The Greater Siren’s adult size ranges from 20 – 35 inches long while the Lesser Siren reaches about 20 – 25 inches.

Did you know?

While sirens usually burrow in mud in the bottom of marshes and streams or hide among water plants, they occasionally venture on to dry land for short periods of time. Unlike most salamanders, some species of siren can vocalize when they are out of the water. They make a soft yelping or squeaking sound.

Axolotl

Axolotl

Where in the world?

Mexico’s Lake Xochimilco and surrounding wetlands.

 

Animal Facts:

Also called Mexican Salamanders or Mexican Walking Fish, Axolotls are salamanders, not fish! They are closely related to the Tiger Salamander in the western United States and Spotted Salamander in the eastern States.

Axolotls are carnivores, eating mollusks, worms, insect larvae, crustaceans and some small fish.

Axolotls exhibit paedomorphism, meaning they reach maturity while retaining juvenile traits. As they grow, these salamanders develop legs and lose the fin on their tails, but they retain their gills. This halfway metamorphosis prevents Axolotls from ever leaving the water like usual salamanders.

Did you know?

The natural habitat of the Axolotl has greatly diminished over the years. Wild individuals are now only found in Mexico’s Lake Xochimilco and surrounding wetlands. In captivity, Axolotls are studied for their regenerative capabilities and are kept as pets.

Tiger Salamander

Tiger Salamander

Where in the world?

A variety of habitats across temperate North America.

 

Animal Facts:

Adult Tiger Salamanders are some of the largest terrestrial, or land-dweller salamanders, averaging 6-8 inches in length.  Males are usually larger and have longer tails than females.

Tiger Salamanders are considered a type of Mole Salamander, as they spend most of the time in underground burrows.  Unlike other species that use burrows created be other animals, Tiger Salamanders may dig their own.

At night, Tiger Salamanders leave their burrows to eat mostly invertebrates like insects and worms, as well as small vertebrates such as larvae of frogs or other salamanders.

Did you know?

Salamanders are amphibians with three life stages: the egg hatches into an aquatic juvenile with feathery external gills and no legs, then the juvenile develops legs and lungs, loses its gills, and usually lives on land.  Sometimes Tiger Salamanders pause halfway through their metamorphosis and can be found with both legs and external gills!

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