Frog dating service

They are also seen as environmental bellwethers, with declines in frog populations often viewed as early warning signs of environmental damage.

Frog populations have declined significantly since the 1950s.

Frogs produce a wide range of vocalizations, particularly in their breeding season, and exhibit many different kinds of complex behaviours to attract mates, to fend off predators and to generally survive.

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

More than one third of species are considered to be threatened with extinction and over 120 are believed to have become extinct since the 1980s.

The number of malformations among frogs is on the rise and an emerging fungal disease, chytridiomycosis, has spread around the world.

Frog skin has a rich microbiome which is important to their health.

Frogs are extremely efficient at converting what they eat into body mass.

Old English frosc remained in dialectal use in English as frosh and frosk into the nineteenth century, The third edition of the Oxford English Dictionary finds that the etymology of *froskaz is uncertain, but agrees with arguments that it could plausibly derive from a Proto-Indo-European base along the lines of *preu = "jump".The characteristics of anuran adults include: 9 or fewer presacral vertebrae, the presence of a urostyle formed of fused vertebrae, no tail, a long and forward-sloping ilium, shorter fore limbs than hind limbs, radius and ulna fused, tibia and fibula fused, elongated ankle bones, absence of a prefrontal bone, presence of a hyoid plate, a lower jaw without teeth (with the exception of Gastrotheca guentheri) consisting of three pairs of bones (angulosplenial, dentary, and mentomeckelian, with the last pair being absent in Pipoidea), 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 families of modern frogs, including most common species throughout the world.The Neobatrachia suborder is further divided into the two superfamilies Hyloidea and Ranoidea.From a classification perspective, all members of the order Anura are frogs, but only members of the family Bufonidae are considered "true toads".The use of the term "frog" in common names usually refers to species that are aquatic or semi-aquatic and have smooth, moist skins; the term "toad" generally refers to species that are terrestrial with dry, warty skins.

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