DYK 1
- ... that some male Italian tree frogs (pictured) are parasitic on dominant males, intercepting females attracted by their calls?
- ... that the distribution of Beck's tree frog is limited to altitudes of over 3,000 metres (9,800 ft) in Papua New Guinea?
- ... that the Pilbara Toadlet has recently been identified as a new species using DNA analysis?
- ... that the female Tornier's forest toad is viviparous and has been known to carry 35 young at one time?
- ... that female Kaie rock frogs can feed their tadpoles with trophic eggs?
DYK 2
- ... that the call of the male river frog (pictured) can be described as a "deep, low-pitched, rolling snore"?
- ... that breeding in the southern toad (pictured) can be triggered by heavy rain?
- ... that the humming frog aestivates in an underground burrow during the hottest part of the summer?
- ... that the bird-voiced treefrog and the pine woods treefrog can be recognised by their distinctive calls?
- ... that the Pyrenean frog breeds in mountain streams after the snow has melted?
DYK 3
- ... that the Japanese common toad (pictured) eats certain ants and beetles that are unpalatable to other predators?
- ... that the small frog Kurixalus idiootocus lays its eggs on the ground and they do not hatch until rain falls?
- ... that the male common midwife toad (pictured), like other members of the genus Alytes, carries his eggs around with him until they hatch?
- ... that the Cape mountain toad is believed to be the only South African amphibian to lack a voice?
- ...that the Carrikeri Harlequin Frog, a critically endangered toad endemic to northern Colombia, was recently rediscovered after an absence of 14 years?
DYK 4
- ... that Telmatobius ventriflavum (pictured) was not discovered until 2012, despite being located near a major highway?
- ... that the East Bay Vivarium is the oldest and largest retail vivarium in the United States?
- ... that the tadpoles of the Sri Lanka rock frog and the Kirtisinghe's rock frog are often found on wet rocks near mountain streams?
- ... that the tadpoles of the critically endangered Rabbs' fringe-limbed treefrog (pictured) literally eat the skin off their fathers' backs?
- ...that the Northern Red-legged Frog is a near-threatened species, whose male defends breeding pond territory with nocturnal displays?
DYK 5
- ... that Salientia (Triadobatrachus pictured) is a stem group of amphibians that includes the frogs and toads and various extinct proto-frogs?
- ... that the African giant toad resembles a dead leaf?
- ... that the tadpole of the Vampire flying frog Rhacophorus vampyrus has two fang-like hooks in its mouth?
- ... that the fauna of Colombia includes the largest number of amphibian species in the world?
- ... that a Corroboree frog described in a monograph by John Alexander Moore was featured on an Australian postage stamp?
DYK 6
- ... that the frogs Rheobates palmatus (pictured) and Colostethus agilis are endemic to Colombia?
- ... that the endangered Mazumbai warty frog and the more common Krefft's warty frog are both found in the Usambara Mountains in Tanzania?
- ... that the newly described Microhyla borneensis is the smallest species of frog in the Old World?
- ... that a recently discovered frog looks a lot like The Muppets character Kermit the Frog?
- ... that reproduction in the East African toads Nectophrynoides viviparus and Nectophrynoides laevis involves females giving birth to live young?
DYK 7
- ... that the new species of frog Pristimantis jamescameroni (pictured) from Venezuela was named after the film-maker James Cameron?
- ... that female specimens of the Hyperolius ocellatus are larger than the males?
- ... that tadpoles of the green burrowing frog need to grow rapidly because the temporary pools in which they develop soon dry up?
- ...that tree frogs have been used as barometers because they respond to approaching rain by croaking?
- ... that the Bombay night frog has been found living in a cave piled high with fruit bat droppings?
DYK 8
- ... that the eggs of the horned marsupial frog are the largest to be laid by any known amphibian?
- ... that A Field Guide to Western Reptiles and Amphibians by Robert C. Stebbins has widely been considered "the bible of the field" for American herpetologists?
- ... that the desert rain frog leaves distinctive footprints on the dunes and a little pile of sand showing the location of its burrow?
- ... that Kelaart's toad is considered "endangered" because its range totals less than 500 square kilometres (190 sq mi)?
- ... that Pseudophilautus hypomelas, a small shrub frog not seen for more than 130 years and believed to be extinct, was rediscovered in the Peak Wilderness of Sri Lanka?
DYK 9
- ... that the New England tree frog and the Davies' tree frog (pictured) are threatened by the introduction of exotic fish such as trout into the streams in which they breed?
- ... that the Central American frog Duellmanohyla soralia is critically endangered and its population decline is due, at least in part, to the fungal disease chytridiomycosis?
- ... that during dry weather, the Texas toad remains dormant?
- ...that although the tiny Hochstetters frog of New Zealand has no tail, it has atavistic tail-wagging muscles?
- ... that, after the female Jog night frog has laid a clutch of eggs, both parents are involved in guarding them?
DYK 10
- ... that the Blanchard's cricket frog (pictured) is considered threatened or endangered in three states, but is not listed under the US Endangered Species Act?
- ... that Eichwald's toad was first described in 2008, having previously been considered to be a subspecies of the Caucasian toad?
- ... that Malcolm's Ethiopian toad has what is believed to be a unique breeding strategy with many females laying their eggs at a single site on land?
- ... that the male frog Allobates femoralis (pictured) carries his tadpoles to pools of water?
- ... that the largest living frog species is the African Goliath frog?
DYK 11
- ...that both species of Corroboree frog are critically endangered?
- ... that the frog Paedophryne swiftorum (pictured) was discovered by a student on a 2008 Cornell University expedition to Papua New Guinea?
- ... that dancing frogs, found in the Western Ghats in India, wave their hindlegs while calling to attract mates?
- ...that the Wrinkled Toadlet (pictured) is also commonly known as the Chubby Gungan?
- ... that the call made by Limnodynastes dorsalis, a frog species in Western Australia, is similar to the sound of a plucked banjo string?
DYK 12
- ... that larvae of the toadfly make their way through the nostrils of the common toad (affected toad pictured) and eat its flesh?
- ... that female Stefania evansi frogs can carry up to 30 eggs or froglets on their back?
- ... that Woodhouse's toad (pictured) seems to be displacing the Arizona toad in central Arizona?
- ... that the Italian pool frog (pictured) has been introduced into the United Kingdom?
- ... that the call of the Sonoran green toad is said to resemble "the buzzer on an electric alarm clock"?
DYK 13
- ... that eggs of the greenhouse frog are laid on land and have been found under a flower pot?
- ... that the male polkadot poison frog guards the eggs laid by the female and carries the newly hatched tadpoles to water?
- ... that the female Mozambique rain frog lays her eggs in an underground chamber and often stays nearby while they develop?
- ... that toads found in Egypt around 1909 and identified as Degen's toad are now considered a separate species, the Nile Delta toad?
- ... that the demonic poison frog is critically endangered because its total range is less than 10 square kilometres (4 sq mi) and its habitat is threatened by gold mining?
DYK 14
- ... that the San Carlos tree frog is an "explosive breeder" and is stimulated to breed by the arrival of heavy rain?
- ... that the Brazil-nut poison frog (pictured) sometimes places its tadpoles in water-filled capsules that have fallen from the Brazil nut tree?
- ... that the tadpoles of the frog Indirana semipalmata are the first ever known to hatch, feed, and metamorphose on tree barks?
- ...that the Australian Giant burrowing frog does not croak, but rather hoots like an owl?
- ... that the female tree frog Aplastodiscus leucopygius inspects the underground nesting chamber prepared by the male before accepting his advances?
DYK 15
- ...that prehistoric frog Beelzebufo may have grown to over 40 cm (16 in)* (restoration pictured), larger than any living frogs, and is called "the Frog from Hell" by the media?
- ...that the American toad is a common species of toad found throughout the eastern United States and Canada?
- ... that in hot weather, the eastern spadefoot toad (pictured) may aestivate in the deep burrow it has dug?
- ... that Pelobates cultripes, the "Western Spadefoot Toad", produce spawn up to one metre long which can consist of 7000 eggs?
- ...that the Desert Tree Frog is one of Australia's most widely distributed frogs?
DYK 16
- ... that the Foothill Yellow-legged Frog secretes an anti-fungal protein from its skin to prevent infections by various fungi such as Batrachochytrium dendrobatidis?
- ... that Sri Lanka is home to three endemic frog genera: Adenomus, Nannophrys, and Lankanectes?
- ... that golden frogs are often mistaken for bronzed frogs?
- ...that the Northern Barred Frog of Australia (pictured) has a tadpole which reaches 12.5 centimetres (4.9 in) in length?
- ... that Ghost Frogs roam the streams of South Africa?
DYK 17
- ... that the Iberian frog includes beetles, caddisflies and spiders in its diet?
- ... that a Corroboree frog described in a monograph by John Alexander Moore was featured on an Australian postage stamp?
- ...that leopard frogs are an environmental indicator species?
- ... that Lehmann's poison frog is not toxic in captivity because its poison derives from food it eats only in the wild?
- ... that the giant spiny frog is the largest frog in Hong Kong?
DYK 18
- ... that populations of the endangered Albanian water frog (pictured) are declining due to over-collection for the food industry and pet trade?
- ... that the new genus of frog Mercurana was named after the late British rock singer Freddie Mercury?
- ... that the Bocaina tree frog (pictured) has green bones and muscles?
DYK 19
- ... that the female common rocket frog (pictured carrying tadpoles) and the male rainforest frog Colostethus stepheni are both involved in the parental care of their young?
DYK 20
DYKs
- ... that some male Italian tree frogs (pictured) are parasitic on dominant males, intercepting females attracted by their calls?
- ... that the distribution of Beck's tree frog is limited to altitudes of over 3,000 metres (9,800 ft) in Papua New Guinea?
- ... that the Pilbara Toadlet has recently been identified as a new species using DNA analysis?
- ... that the female Tornier's forest toad is viviparous and has been known to carry 35 young at one time?
- ... that female Kaie rock frogs can feed their tadpoles with trophic eggs?
- ... that the call of the male river frog (pictured) can be described as a "deep, low-pitched, rolling snore"?
- ... that breeding in the southern toad (pictured) can be triggered by heavy rain?
- ... that the humming frog aestivates in an underground burrow during the hottest part of the summer?
- ... that the bird-voiced treefrog and the pine woods treefrog can be recognised by their distinctive calls?
- ... that the Pyrenean frog breeds in mountain streams after the snow has melted?
- ... that the Japanese common toad (pictured) eats certain ants and beetles that are unpalatable to other predators?
- ... that the small frog Kurixalus idiootocus lays its eggs on the ground and they do not hatch until rain falls?
- ... that the male common midwife toad (pictured), like other members of the genus Alytes, carries his eggs around with him until they hatch?
- ... that the Cape mountain toad is believed to be the only South African amphibian to lack a voice?
- ...that the Carrikeri Harlequin Frog, a critically endangered toad endemic to northern Colombia, was recently rediscovered after an absence of 14 years?
- ... that Telmatobius ventriflavum (pictured) was not discovered until 2012, despite being located near a major highway?
- ... that the East Bay Vivarium is the oldest and largest retail vivarium in the United States?
- ... that the tadpoles of the Sri Lanka rock frog and the Kirtisinghe's rock frog are often found on wet rocks near mountain streams?
- ... that the tadpoles of the critically endangered Rabbs' fringe-limbed treefrog (pictured) literally eat the skin off their fathers' backs?
- ...that the Northern Red-legged Frog is a near-threatened species, whose male defends breeding pond territory with nocturnal displays?
- ... that Salientia (Triadobatrachus pictured) is a stem group of amphibians that includes the frogs and toads and various extinct proto-frogs?
- ... that the African giant toad resembles a dead leaf?
- ... that the tadpole of the Vampire flying frog Rhacophorus vampyrus has two fang-like hooks in its mouth?
- ... that the fauna of Colombia includes the largest number of amphibian species in the world?
- ... that a Corroboree frog described in a monograph by John Alexander Moore was featured on an Australian postage stamp?
- ... that the frogs Rheobates palmatus (pictured) and Colostethus agilis are endemic to Colombia?
- ... that the endangered Mazumbai warty frog and the more common Krefft's warty frog are both found in the Usambara Mountains in Tanzania?
- ... that the newly described Microhyla borneensis is the smallest species of frog in the Old World?
- ... that a recently discovered frog looks a lot like The Muppets character Kermit the Frog?
- ... that reproduction in the East African toads Nectophrynoides viviparus and Nectophrynoides laevis involves females giving birth to live young?
- ... that the new species of frog Pristimantis jamescameroni (pictured) from Venezuela was named after the film-maker James Cameron?
- ... that female specimens of the Hyperolius ocellatus are larger than the males?
- ... that tadpoles of the green burrowing frog need to grow rapidly because the temporary pools in which they develop soon dry up?
- ...that tree frogs have been used as barometers because they respond to approaching rain by croaking?
- ... that the Bombay night frog has been found living in a cave piled high with fruit bat droppings?
- ... that the eggs of the horned marsupial frog are the largest to be laid by any known amphibian?
- ... that A Field Guide to Western Reptiles and Amphibians by Robert C. Stebbins has widely been considered "the bible of the field" for American herpetologists?
- ... that the desert rain frog leaves distinctive footprints on the dunes and a little pile of sand showing the location of its burrow?
- ... that Kelaart's toad is considered "endangered" because its range totals less than 500 square kilometres (190 sq mi)?
- ... that Pseudophilautus hypomelas, a small shrub frog not seen for more than 130 years and believed to be extinct, was rediscovered in the Peak Wilderness of Sri Lanka?
- ... that the New England tree frog and the Davies' tree frog (pictured) are threatened by the introduction of exotic fish such as trout into the streams in which they breed?
- ... that the Central American frog Duellmanohyla soralia is critically endangered and its population decline is due, at least in part, to the fungal disease chytridiomycosis?
- ... that during dry weather, the Texas toad remains dormant?
- ...that although the tiny Hochstetters frog of New Zealand has no tail, it has atavistic tail-wagging muscles?
- ... that, after the female Jog night frog has laid a clutch of eggs, both parents are involved in guarding them?
- ... that the Blanchard's cricket frog (pictured) is considered threatened or endangered in three states, but is not listed under the US Endangered Species Act?
- ... that Eichwald's toad was first described in 2008, having previously been considered to be a subspecies of the Caucasian toad?
- ... that Malcolm's Ethiopian toad has what is believed to be a unique breeding strategy with many females laying their eggs at a single site on land?
- ... that the male frog Allobates femoralis (pictured) carries his tadpoles to pools of water?
- ... that the largest living frog species is the African Goliath frog?
- ...that both species of Corroboree frog are critically endangered?
- ... that the frog Paedophryne swiftorum (pictured) was discovered by a student on a 2008 Cornell University expedition to Papua New Guinea?
- ... that dancing frogs, found in the Western Ghats in India, wave their hindlegs while calling to attract mates?
- ...that the Wrinkled Toadlet (pictured) is also commonly known as the Chubby Gungan?
- ... that the call made by Limnodynastes dorsalis, a frog species in Western Australia, is similar to the sound of a plucked banjo string?
- ... that larvae of the toadfly make their way through the nostrils of the common toad (affected toad pictured) and eat its flesh?
- ... that female Stefania evansi frogs can carry up to 30 eggs or froglets on their back?
- ... that Woodhouse's toad (pictured) seems to be displacing the Arizona toad in central Arizona?
- ... that the Italian pool frog (pictured) has been introduced into the United Kingdom?
- ... that the call of the Sonoran green toad is said to resemble "the buzzer on an electric alarm clock"?
- ... that eggs of the greenhouse frog are laid on land and have been found under a flower pot?
- ... that the male polkadot poison frog guards the eggs laid by the female and carries the newly hatched tadpoles to water?
- ... that the female Mozambique rain frog lays her eggs in an underground chamber and often stays nearby while they develop?
- ... that toads found in Egypt around 1909 and identified as Degen's toad are now considered a separate species, the Nile Delta toad?
- ... that the demonic poison frog is critically endangered because its total range is less than 10 square kilometres (4 sq mi) and its habitat is threatened by gold mining?
- ... that the San Carlos tree frog is an "explosive breeder" and is stimulated to breed by the arrival of heavy rain?
- ... that the Brazil-nut poison frog (pictured) sometimes places its tadpoles in water-filled capsules that have fallen from the Brazil nut tree?
- ... that the tadpoles of the frog Indirana semipalmata are the first ever known to hatch, feed, and metamorphose on tree barks?
- ...that the Australian Giant burrowing frog does not croak, but rather hoots like an owl?
- ... that the female tree frog Aplastodiscus leucopygius inspects the underground nesting chamber prepared by the male before accepting his advances?
- ...that prehistoric frog Beelzebufo may have grown to over 40 cm (16 in)* (restoration pictured), larger than any living frogs, and is called "the Frog from Hell" by the media?
- ...that the American toad is a common species of toad found throughout the eastern United States and Canada?
- ... that in hot weather, the eastern spadefoot toad (pictured) may aestivate in the deep burrow it has dug?
- ... that Pelobates cultripes, the "Western Spadefoot Toad", produce spawn up to one metre long which can consist of 7000 eggs?
- ...that the Desert Tree Frog is one of Australia's most widely distributed frogs?
- ... that the Foothill Yellow-legged Frog secretes an anti-fungal protein from its skin to prevent infections by various fungi such as Batrachochytrium dendrobatidis?
- ... that Sri Lanka is home to three endemic frog genera: Adenomus, Nannophrys, and Lankanectes?
- ... that golden frogs are often mistaken for bronzed frogs?
- ...that the Northern Barred Frog of Australia (pictured) has a tadpole which reaches 12.5 centimetres (4.9 in) in length?
- ... that Ghost Frogs roam the streams of South Africa?
- ... that the Iberian frog includes beetles, caddisflies and spiders in its diet?
- ... that a Corroboree frog described in a monograph by John Alexander Moore was featured on an Australian postage stamp?
- ...that leopard frogs are an environmental indicator species?
- ... that Lehmann's poison frog is not toxic in captivity because its poison derives from food it eats only in the wild?
- ... that the giant spiny frog is the largest frog in Hong Kong?
- ... that populations of the endangered Albanian water frog (pictured) are declining due to over-collection for the food industry and pet trade?
- ... that the new genus of frog Mercurana was named after the late British rock singer Freddie Mercury?
- ... that the Bocaina tree frog (pictured) has green bones and muscles?
- ... that the female common rocket frog (pictured carrying tadpoles) and the male rainforest frog Colostethus stepheni are both involved in the parental care of their young?