Ground dwelling frogs generally lack the adaptations of aquatic and arboreal frogs.

I hear that he eats frogs.

The true frogs, family Ranidae, have the widest distribution of any frog family.

Toads and frogs reveal themselves when it rains.

Young gharials eat insects, tadpoles, small fish and frogs.

The Myobatrachidae, or southern frogs, are Australia's largest group of frogs, with 112 species classified into anywhere from 17 to 22 genera.

Frogs and toads are broadly classified into three suborders Archaeobatrachia, which includes four families of primitive frogs Mesobatrachia, which includes five families of more evolutionary intermediate frogs and Neobatrachia, by far the largest group, which contains the remaining 24 families of modern frogs, including most common species found throughout the world.

Amphibians Phyllomedusa , a genus of frogs native to South America.

The Alytidae are a family of primitive frogs.

Come and I'll show you what I do to frogs like you.

They say there are bright colored frogs, but I've never seen them.

Some frogs protect their offspring inside their own bodies.

This may be one of the causes of the worldwide decline in frog populations.

If you refuse to let them go, behold, I will plague all your borders with frogs

While this classification is largely accepted, relationships among families of frogs are still debated.

A few of the larger ones may eat other frogs, small mammals, and fish.

The Hylidae are a wide ranging family of frogs commonly referred to as tree frogs and their allies .

The Cyclorana species are burrowing frogs that spend much of their lives underground.

and the frogs shall come up both on you, and on your people, and on all your servants.'

Metamorphosis At the end of the tadpole stage, a frog undergoes metamorphosis in which its body makes a sudden transition into the adult form.

Almost all species of frogs are carnivorous as adults, preying on invertebrates, including arthropods, worms, snails, and slugs.

The Moche people of ancient Peru worshipped animals, and often depicted frogs in their art.

Aaron stretched out his hand over the waters of Egypt and the frogs came up, and covered the land of Egypt.

The magicians did the same thing with their enchantments, and brought up frogs on the land of Egypt.

This allows the frog to climb on smooth surfaces, but the system does not function efficiently when the pads are excessively wet.

Yahweh did according to the word of Moses, and the frogs died out of the houses, out of the courts, and out of the fields.

Many frogs are able to absorb water and oxygen directly through the skin, especially around the pelvic area, but the permeability of a frog's skin can also result in water loss.

Amphibians and reptiles Australia has four families of native frogs and one introduced toad, the cane toad.

Frogs have three eyelid membranes one is transparent to protect the eyes underwater, and two vary from translucent to opaque.

In many arboreal frogs, a small intercalary structure on each toe increases the surface area touching the substrate.

Furthermore, since hopping through trees can be dangerous, many arboreal frogs have hip joints to allow both hopping and walking.

The frogs shall depart from you, and from your houses, and from your servants, and from your people. They shall remain in the river only.

Moses and Aaron went out from Pharaoh, and Moses cried to Yahweh concerning the frogs which he had brought on Pharaoh.

From a classification perspective, all members of the order Anura are frogs, but only members of the family Bufonidae are considered true toads .

They have a tympanum on each side of their heads which is involved in hearing and, in some species, is covered by skin.

Features such as warts and skin folds are usually found on ground dwelling frogs, where a smooth skin would not provide such effective camouflage.

Many of the species (28 in total) show certain physiological characteristics which are not present in other frogs and toads, thus giving rise to this group.

Certain frogs change colour between night and day, as light and moisture stimulate the pigment cells and cause them to expand or contract.

As for other amphibians, the first Lissamphibia, characterized by the first frogs, are known from the Early Triassic, but the group as a whole did not become common until the Jurassic, when the temnospondyls had become very rare.

Frogs must be able to move quickly through their environment to catch prey and escape predators, and numerous adaptations help them to do so.

The tree frogs, from family Hylidae, are common in high rainfall areas on the north and east coasts there are 77 Australian species from three genera.

Several species were described in subsequent years by different herpetologists (including G. A. Boulenger, G. K. Noble, and E. H. Taylor), but usually placed together with the tree frogs in the genera Hylella or Hyla .

Feet and legs The structure of the feet and legs varies greatly among frog species, depending in part on whether they live primarily on the ground, in water, in trees or in burrows.

Prey species have ranged in size from the insects taken by young crocodiles to full grown cattle taken by large adults, and can include various birds, mammals, turtles, crabs, snails, frogs, and occasionally carrion.

Leonardo also studied and drew the anatomy of many animals, dissecting cows, birds, monkeys, bears, and frogs, and comparing in his drawings their anatomical structure with that of humans.