Frogs are a diverse and largely carnivorous group of short-bodied, tailless amphibians comprising the order Anura ( Ancient Greek an -, without + oura, tail ).

Frogs are widely distributed, ranging from the tropics to subarctic regions, but the greatest concentration of species diversity is found in tropical rainforests.

Frogs are extremely efficient at converting what they eat into biomass, which makes them an important food source for predators.

Frogs are a keystone group in the food web dynamics of many of the world's ecosystems.

Frogs are valued as food by humans and also have many cultural roles in literature, symbolism and religion.

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 twenty four families of modern frogs, including most common species found throughout the world.

“ Wild-type ” African Clawed Frogs are also frequently sold as pets, and often incorrectly labeled as a Congo Frog or African Dwarf Frog because of similar colorings.

They are easily distinguished from African Dwarf Frogs because African Clawed Frogs have webbing only on their hind feet while African Dwarf Frogs have webbing on all four feet.

African Clawed Frogs are frequently mislabeled as African Dwarf Frogs in pet stores.

African Clawed Frogs are voracious predators and easily adapt to many habitats.

Due to incidences in which these frogs were released and allowed to escape into the wild, African Clawed Frogs are illegal to own, transport or sell without a permit in the following US states: Arizona, California, Kentucky, Louisiana, New Jersey, North Carolina, Oregon, Virginia, Hawaii, Nevada, and Washington state.

Frogs are an excellent example of all three trends: frog legs can be nearly twice the body length, leg muscles may account for up to twenty percent of body weight, and they have not only lengthened the foot, shin and thigh, but extended the ankle bones into another limb joint and similarly extended the hip bones and gained mobility at the sacrum for a second ' extra joint '.

Frogs and lizards are expected to suffer from increased drought. Calculations suggest that the loss of cloud forest in Mexico would lead to extinction of up to 37 vertebrates specific to that region.

The empusae are best known for their appearance in Aristophanes's The Frogs, in which they scared Dionysus and Xanthias on their way to the underworld.

* In J. K. Rowling's Harry Potter series, two kinds of sweets seen eaten by the characters are Chocolate Frogs and Cockroach Clusters.

Amphibians: Frogs are the most crucial amphibian species in wetland systems.

Frogs are used as an indicator of ecosystem health due to their thin skin which absorbs both nutrient and toxins from the surrounding environment resulting in an above average extinction rate in unfavorable and polluted environmental conditions.

Frogs are also fairly numerous, especially the green tree frog, Litoria caerulea, but there are many others.

The mountain is mentioned also in The Frogs and there are references to the town and people of Delphi in The Wasps and The Birds.

* Magnes: Another comic poet, his predicament as a has-been is lamented by the Chorus and there are allusions to five of his plays-The Lute, The Lydians, The Birds, The Flies, The Frogs ( lines 520-25 )

The Jumping Frogs series of books brings neglected Mark Twain treasures — stories, tall tales, novels, travelogues, plays, imaginative journalism, speeches, sketches, satires, burlesques, and much more — to readers.

The Greeks and Romans had been literate societies, and much mythology was written down in the forms of epic poetry ( such as The Iliad, The Odyssey and the Argonautica ) and plays ( such as Euripides ' The Bacchae and Aristophones ' The Frogs ).

There was much hype surrounding the Frogs going into the 1985 season, and Wacker appeared on the cover of Dave Campbell's Texas Football alongside his All-American running back, Kenneth Davis, a finalist for the Heisman Trophy in 1984 and a leading candidate for the award in 1985.

He must have been living in 405 BC, the date of the production of The Frogs of Aristophanes, in which he is spoken of as the only good Athenian tragic poet, although it is hinted that he owed much to his fathers ' assistance.

After 150 students paid $ 1, 000 each for a ten-day workshop in Santa Cruz, California, Bandler and Grinder gave up academic writing and produced popular books from seminar transcripts, such as Frogs into Princes, which sold more than 270, 000 copies.

Jackson Knight, " Vergil's Charon is not only the Greek ferryman of Aristophanes The Frogs, but more than half his Etruscan self, Charun, the Etruscan torturing death-devil, no ferryman at all.

Aristophanes, in The Frogs, pokes fun at Theramenes ' ability to extricate himself from tight spots, but delivers none of the scathing rebukes one would expect for a politician whose role in the shocking events after Arginusae had been regarded as particularly blameworthy, and modern scholars have seen in this a more accurate depiction of how Theramenes was perceived in his time ; Lysias, meanwhile, who mercilessly attacks Theramenes on many counts, has nothing negative to say about the aftermath of Arginusae.

In the gay press, writer Adam Block wrote, " I'd find the record a lot more remarkable if I believed the Frogs were actually gay.

Other species in the Zoo's collection include Red Pandas, Meerkats, Bactrian Camels, Oriental Small-Clawed Otters, South American Tapirs, Aardvarks, Mountain Zebras, Bongo, Red River Hogs, Cottontop Tamarins, Spider Monkeys, Bornean Orangutans, Great Grey Owls, Barn Owls, Von der Decken's Hornbill, Rainbow Lorikeets, Ostriches, American Flamingos, Common Peafowl, Emu, Eastern White Pelicans, Aldabran Tortoises, Egyptian Tortoises, Nile Monitor Lizards, Royal Pythons, Tiger Salamanders, White's Tree Frogs, African Land Snails, Hissing Cockroaches and many more.

The Riverland is abundant in wildlife, the more common species encountered being Pelicans, Kookaburras, Brush Tail Possums and Perons Tree Frogs.

Frogs can survive many freeze / thaw events during winter if not more than about 65 % of the total body water freezes.

Frogs are a notable example of this effect, though their complex development is likely more important.

Red-eyed tree frogs are closely related to Chorus Frogs, which have the same body style and many of the same habits, though chorus frog are more vocal.

In March 2012, Mysteries of the Rainforest was opened and features many new species of live animals, including: Caiman Alligators, Poison Dart Frogs, Tortoieses, Piranha and more.

The numbers of Green and Golden Bell Frogs are estimated to have declined by more than 30 % in the past ten years.

Other vocal samples incorporated into " Where It's At " come from " Needle to the Groove " by old school rap group Mantronix (" we've got two turntables and a microphone ..."), as well as The Frogs (" that was a good drum break ").

Some frog species, especially those of the Poison Dart Frogs, have learned to lay eggs in water devoid of predatory fish.

Smaller, still-growing Green and Golden Bell Frogs tend to hunt small insects, especially flying victims, often jumping to catch their prey.

Money ran out during production, so one scene featuring a flashback to Vietnam was filmed separately ( with a different budget ) as The Frogs of War.

' Apples ', ' Spring Awakening ', ' Almost Nothing to do with Frogs ' and ' Flames Over New Jersey ; were all shows performed at the Underbelly during the 2012 Fringe by current and old Etonians, with the latter 2 productions written and directed by boys from the school.

In the Rose Bowl game during which Fry was honored, his former player Bret Bielema's Wisconsin Badgers lost to the TCU Horned Frogs.

It made its first appearance on April 13, 1899 during a Stanford rally when yell leaders used it to decapitate a straw man dressed in blue and gold ribbons while chanting the Axe yell, which was based on The Frogs by Aristophanes ( Brekekekek croax croax ):

Kattan was to play Xanthias in the Broadway production of Stephen Sondheim's The Frogs but he was replaced during previews by Roger Bart .< ref >

The Budweiser Frogs are three lifelike puppet frogs named " Bud ", " Weis ", and " Er ", who began appearing in American television commercials for Budweiser beer during Super Bowl XXIX in 1995.

Chief Warrant Officer ( SEAL ) Keith Pritchett, assigned to the U. S. Navy parachute demonstration team, the Leap Frogs, flying a large American flag above Westview High School during a pep rally

Like many frogs in the Rana genus, Green and Golden Bell Frogs are mostly aquatic, and only travel over land during periods of rainfall.