Frogs

The new species of toadlet, Brachycephalus rotenbergae, opens its mouth in a defensive posture.

Biologists Discover New Species of Glowing Pumpkin Toadlet

The bright orange amphibian, which shines green under UV light, is different from other pumpkin toadlets due to its appearance and call

The biodiversity map predicted that amphibians and reptiles have the most undiscovered species to date. Pictured: blue poison dart frog (Dendrobates tinctorius "azureus")

This Map Shows You the Odds of Finding a New Species in Your Neighborhood

The 'Map of Life' predicts where undiscovered birds, reptiles, amphibians and mammals could be found around the world

Panamanian golden frogs—such as F1, seen here—are native to the rainforests and cloud forests of Panama but haven't been seen in the wild since 2009. Each creature's bright coloration warns predators of its deadly skin, which contains enough toxins to kill 1,200 mice.

A Small Band of Panamanian Golden Frogs Is Saving Their Species From Oblivion

Victims of a deadly fungus, the amphibians are now being selectively bred through a program at the Smithsonian's National Zoo

A male green tree frog calls out to females.

This Frog's Lungs Work Like Noise-Cancelling Headphones

When the green tree frog inflates its lungs, its eardrums become less sensitive to the calls of other frog species

A small-banded kukri snake seen with its head thrust inside the body of an Asian common toad. This snake does this to feed on its prey's internal organs, and, perhaps, to avoid the poisonous milky secretions that can be seen on the toad's back.

This Snake Slurps Organs of Living Toads in Grisly Feeding Strategy

Researchers say no other snakes are known to feed this way, adding that the snakes may feed this way to avoid toxins secreted from the toads’ backs

The Yonahlossee salamander is a woodland species from the southern Appalachian Mountains in the United States

Here's How You Can Help Amphibians in the Fight Against Extinction

We now know that the killer chytrid fungus originated in Asia and that humans unintentionally spread it around the world

A male Thoropa taophora, pictured near Sununga beach in Brazil.

This Frog Mates With Two Females in an Unusual Love Triangle

Relationships like these are rare among amphibians, scientists say

A hypothetical escape route for Regimbartia attenuata

When This Beetle Gets Eaten by a Frog, It Heads for the 'Back Door'

New research details how this Japanese water beetle travels through the bowels of its predator to emerge out the other end, alive and unharmed

New research suggests this legless amphibian called a caecilian may be the first known amphibian to possess a venomous bite.

This Worm-Like Amphibian May Pack a Venomous Bite

A new study suggests that legless burrowers called caecilians may be the first known amphibian to have venom glands in their mouths

The glass frog's translucent stomach skin offers a window into its internal organs. New research finds this odd seeming trait may help the frogs evade predators.

Scientists Discover the Reason Behind the Glass Frog's Translucent Skin

Glass-like skin helps break up the frog's outline and matches the frog's brightness to its leafy perch, making it harder for predators to spot

Male pug-nosed tree frogs confuse predators by overlapping their mating calls with those their neighbors.

Illusionist Frog Attracts Mates Without Unwanted Attention From Predators

The simultaneous mating calls of the male pug-nosed tree frog confuses bats but not female frogs

A cat-eyed snake eats a toad in Panama. Many snakes depend on amphibians and their eggs for nutrition.

Tropical Snakes Suffer as a Fungus Kills the Frogs They Prey On

Surveys of reptiles in central Panama show the ripple effects of an ecological crisis

Two giraffes

Fourteen Fun Facts About Love and Sex in the Animal Kingdom

Out in the wild, flowers and candy just aren’t gonna cut it

A "living machine" containing frog stem cells in a new configuration designed by a computer algorithm. Parts shown in green are made up of frog skin cells, while parts in red are frog heart cells.

Scientists Assemble Frog Stem Cells Into First 'Living Machines'

The so-called 'xenobots' could replace traditional metal or plastic robots without polluting the planet, but they raise ethical questions

An adult Goliath frog caught by a local frog hunter.

How Did the World’s Largest Frog Get So Big? Possibly by Building Its Own Ponds

A new study documents the unique nest-building habits of the Goliath frog

Another newly described species, "Litoria vivissimia," has a similarly pointed nose

Meet the Newly Described Long-Nosed Pinocchio Frog

The tree frog’s nose alternately sticks out straight or droops downward—much like a certain fictional wooden puppet

Researcher Jack Ashby initially suspected a crow was responsible for the toad's skinning, but after examining the photo, he concluded that an otter was the more likely culprit

Why Otters Disembowel Toads Before Eating Them

The unfortunate amphibian likely fell victim to an otter, which skinned it to avoid ingesting the deadly toxins found in its glands

The Toad mountain harlequin frog is one of more than 500 species endangered by the fungal outbreak

World's Deadliest Pathogen On Record Devastates More Than 500 Amphibian Species—and We Don't Know How To Stop It

The powerful fungus essentially 'eats' its victim's skin alive, weakening the system before triggering cardiac arrest

Mini mum fits comfortably on a human's thumbnail

Meet 'Mini mum,' 'Mini scule' and 'Mini ature,' Three New Frog Species Among the World's Smallest

The newly discovered amphibians are all about the size of a thumbnail or smaller

Thousands of Invasive Cane Toads Overtake Florida Community

A mild winter and rain has led to a spring explosion of the amphibians, which are clogging pool filters, lawns and driveways

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