Frogs are much more vocal, especially during the breeding season when they use their voices to attract mates.

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.

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 )

* Heracles also appears in Aristophanes ' The Frogs, in which Dionysus seeks out the hero to find a way to the underworld.

" The word xylon " piece of wood " was also used, but for a gallows, not a stake, as in the Aristophanes comedy The Frogs ; " if you stumble, at least you'll hang from a respectable tree.

" The fact of bad money being used in preference to good money is also noted by Aristophanes in his play The Frogs, which dates from around the end of the 5th century BC.

Frogs, lizards and large insects on the ground may also be pounced on from the air.

Telephus is mentioned also in The Frogs.

Professor Joshua Barr of the Staines Cyrobiology Laboratory in Middlesex ( UK ) has been carrying out experiments with British tree frogs to discover whether they also exhibit tolerance to very low temperatures in the same way as exhibited by American Tree Frogs.

Frogs and lizards are also taken, but these are mostly fed to their chicks.

It is mentioned also in The Knights and The Frogs.

* Athenians who resemble birds: Tharreleides: jackdaw ( line 17 ); Sporgilus the barber: sparrow ( 300 ); Spintharus, Athenian of Phrygian descent: finch ( 762 ); Son of Peisias, a traitor: partridge ( 766 ); Menippus: swallow ; Lycurgus: ibis ; Syracosius: jay ; Meidias: quail Cleocritus, mentioned also in The Frogs: ostrich.

Alcmene is mentioned also in The Frogs, Semele in Thesmophoriazusae.

And there is also a football club in the City of Neuss the VFR Neuss Football Club. A Fieldhockey Club and Blau Weiss Neuss a famous Tennisclub where Nadal began his Career. And a American Football Club the Neuss Frogs.

Frogs, salamanders and their tadpoles are also eaten with some regularity.

Athenaeus also claimed that Euripides took a line from Achaeus, while Aristophanes quotes him twice, in The Frogs and The Wasps.

Nólsoy has one of the world's largest colonies of European Storm Petrels ( 50, 000 pairs ), and is also home to the first known wild population of Common Frogs in the Faroe Islands.

He has also written comic verse for children, notably Gargling With Jelly and Thawing Frozen Frogs.

Sophocles is also mentioned in The Birds and The Frogs.

The Panathenaea is mentioned also in The Clouds and The Frogs.

Frogs, salamanders, and snakes are also common in Glace Bay.

A version of this game was also released for Mattel's IntelliVision system, titled Frog Bog ; though graphically superior to Frogs and Flies, its controls are less fluent.

The Frogs features the descent of Dionysus into Hades with the aid of a surreal chorus of amphibious guardians and his half-brother Heracles ( who also appears in the iconography of the Dionysian Mysteries ).

Frogs also constitute an important part of their diet: Ruthven ( 1928 ) mentioned that in Michigan they made up the main portion of their diet.