An illustration of the giant Cretaceous-era frog, Beelzebufo ampinga, next to the largest living frog on Madagascar, the Mantydactylus ampinga.
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More Frogs Dying as Planet Warms
The Panamanian golden frog is one of more than 100 species of disappearing harlequin frogs.
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Frog Survival 101: Fake a Mean Look
Credit: David Cannatella
For nonpoisonous frogs, the trick to not becoming dinner is to look poisonous — but not too poisonous. Scientists studied frogs in the Amazon rainforest…Read More »
in Ecuador, and this non-toxic frog, Allobates zaparo, has colorful patterns that tell predators that it is toxic and would not make a good meal. Although A. zaparo can't actually back up this threat, its coloration fools predators into looking elsewhere for food. Less «
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Ultrasonic Frogs Croak in Secret
Credit: Albert Feng
Chinese concave-eared torrent frogs have an ear for ultrasound, so other creatures don't hear them croak.
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Frog Hops Back into Existence
Credit: Carlos A. Rocha via Conservation International
The painted frog (Atelopus ebenoides marinkellei), from Colombia. The survival of the harlequin frog provides hope that other species might survive the killer fungus.
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Warming Kicks Frogs While They're Down
Credit: Steven M. Whitfield
Oophaga pumilio, the strawberry poison frog, is one of a number of species of amphibians and reptiles declining in lowland forests of Costa Rica.
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Fungus Sex Is Threat to Frogs
Credit: Vance T. Vredenburg, UC Berkeley
A mountain yellow-legged frog (Rana muscosa) at Milestone Basin in Sequoia National Park.
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Lost Forest in Africa Yields New Species
Credit: Andy Plumptre/Wildlife Conservation Society.
Researchers found two new species of frog on their expedition to a once lost forest in Africa.
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Bizarre Amphibians Found Living on the Edge
Credit: Sathyabhama Das Biju, ZSL
The purple frog is a burrowing species that spends most of the year up to 13 feet (four meters) underground feeding on termites.
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Tiny Newfound Frog Fits on a Fingertip
Credit: Alessandro Catenazzi, University of California, Berkeley
Noblella pygmaea on a fingertip. The frog is about 0.45 inches (11.4 millimeters) long.
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Study: Farms Fuel Frog Deformities
Credit: Pieter Johnson/University of Colorado at Boulder
Infectious parasites cause missing limbs, extra limbs and other malformations in frogs--and farm watershed may be to blame.
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'Bizarre!' Frog Tunes Ears to Specific Frequencies
Credit: Margaret Kowalczyk
Odorrana tormota frogs, shown here in an illustration, emit high-frequency ultrasound to compete with the din of their noisy surroundings.
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Frog Embryos Actively Seek Oxygen
Credit: Karen Warkentin.
Adult red-eyed treefrogs are the postcard-perfect mascot of tropical biology, but their eye-catching embryos get the cover of the November 2008 issue of the Journal of Experimental Biology.
A glass frog of the Nymphargus genus potentially new to science discovered in the mountains of the Darien in Colombia. Darien is a mountainous system isolated…Read More »
from the Andes Mountain range and is a recognized for its high biological diversity. Less «
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Frogs Find Home in Elephant Dung
Credit: Ahimsa Campos-Arceiz
One of the species of frog (Sphaerotheca sp.) found in a pile of Asian elephant dung.
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Poisonous 'Golden Frog' Discovered
Credit: Conservation Leadership Programme
The newly-discovered golden frog of Supata could fit on the tip of your finger.
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Frog Dozes in Mud for Years
Credit: Sara M. Kayes
This burrowing frog (Cyclorana alboguttata) maximizes energy use to survive in a state of torpor for months or even years.
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Nearly Extinct California Frog Rediscovered
Credit: Adam Backlin, U.S. Geological Survey
USGS scientists found this adult mountain yellow-legged frog on June 10 in Tahquitz Creek, a rediscovered population of the endangered frog in the San…Read More »
Jacinto Wilderness, San Bernardino National Forest, California. Less «
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New Spiders and Frogs Discovered in Papua New Guinea
Credit: Steve Richards
A frog, Litoria sp., believed to be new to science, and which uses a loud ringing song to call for a mate, was discovered in a rainforest during a Conservation…Read More »
International (CI) led Rapid Assessment Program (RAP) expedition of Papua New Guinea's highlands wilderness in 2008. Less «
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Newfound Frog Species Threatened by Deadly Fungus
Credit: Andrew Crawford/STRI
The newly describe species of frog, Pristimantis educatoris, was collected in El Cope, in Panama's Omar Torrijos National Park, is about 0.8 to 1.6 inches…Read More »
(2 to 4 centimeters) long and has expanded, round and even finger disks and toes that distinguish it from other, closely related species. Its eye color varies from blood red to yellow-orange above and dark purple to dark grey below. The pupil is horizontal. Less «
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World's Smallest Frog Packs Poison Punch
Credit: A. Rodriguez and M. Vences.
The smallest frog in the world would fit (with room for a buddy) on your fingertip.
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Solomon's Horned Frog
Credit: Fredrique Oliver
This horned frog is unique to the Solomon Islands.