Frogs

Monarchs, some frogs and other animals feed on toxic plants or bugs for protection

A Poisonous Diet Gives These Animals Their Own Toxic Defense

From monarchs to sea slugs, various creatures consume chemicals that keep predators at bay

Toxins from the Colorado River toad have been ingested by some for their psychedelic and medicinal effects.

A Modified Psychedelic Toad Toxin Reduces Signs of Depression and Anxiety in Mice, Study Suggests

Colorado River toads produce a psychoactive toxin that some have claimed has medical benefits. The new research suggests these benefits could be achieved without hallucinations

A variety of plants and animals go through periods where they are dormant or in the dark.

Move Over, Cicadas: These Living Things ‘Go Dark’ For a Long Time, Too

From frogs to orchids, many organisms go dormant or move underground for lengthy stints

Two green and black poison dart frogs

Why Do Poison Dart Frogs 'Tap Dance' With Their Toes? Research Sheds Light on Feeding Time Footwork

Scientists observed frogs tapping their toes up to 500 times per minute when prey was present, suggesting the behavior is related to predation

A Brazilian flea toad sits on a Brazilian real. The coin is 27 millimeters across.

The World's Smallest Vertebrate Is a Tiny Brazilian Frog, Study Finds

Adult male Brazilian flea toads are just over 7 millimeters long on average, and females measure about 8.15 millimeters

The horned marsupial frog, which carries its eggs in a pouch on its back, lives in the canopy of tropical rainforests.

The Surprise Reappearance of a Rare Frog Has Scientists Leaping to Protect Its Habitat

The marsupial frog, which incubates its young in a pouch on its back, was thought to be extinct in some countries

Neurergus kaiseri, also called Luristan newt, is listed as vulnerable on the International Union for Conservation of Nature's Red List of Threatened Species. 

Amphibians Are in Decline Across the Globe

About 41 percent of all species across the planet meet IUCN criteria for classification as critically endangered, endangered or vulnerable

The now-extinct golden toad in a 1978 picture taken in Costa Rica.

Climate Change Is Pushing Many of the World's Amphibians Closer to Extinction

Just over 40 percent of amphibian species are at risk of going extinct, and humans' fossil fuel use is partly to blame, according to a new assessment

Pepón Osorio, El Chandelier, 1988

Pepón Osorio Pushes the Bounds of Public Art

The Puerto Rican artist emphasizes community in installations crafted from everyday objects

A Togo slippery frog rests in grass.

It Takes a Village to Save a Frog

A community in Ghana rallies to help the Togo slippery frog, an effort that benefits their own people and other endangered wildlife

Glass frog photographed during sleep and while active, showing the differences in red blood cells within the circulatory system. 

These Frogs Turn Nearly Invisible While Sleeping

The transparent glass frog can hide 89 percent of its blood in its liver, new research shows

Defensive response of a male mason wasp to a tree frog

These Wasps Can Fight Predators With Their Spiky Genitalia

The insects jabbed their spines at hungry frogs in a similar way to how females sting

A red-eyed treefrog hangs on to a leaf in Costa Rica.

Why Frogs Survived the Asteroid That Wiped Out the Dinosaurs

Not too big, not too small—they were just the right size to live through Earth’s worst day

Five-day-old red-eyed treefrog embryos are tightly curled inside dehydrated eggs packed closely together. It’s dry enough to make them begin to hatch early amid heating.

When the Heat Is on, Red-Eyed Treefrogs Hatch Early

The embryos make the move from clutches on leaves to rainforest ponds below

The Panamanian golden frog is now extinct in the wild due to a disease caused by a fungus known as Bd or chytrid

Amphibian Plague Led to Malaria Surge in Humans

A new study marks the first time the frog pandemic has been linked to human health

In total, researchers made CT scans of the inner ears of 147 frog species. With these scans, the team determined that Brachycephalus toads' semicircular canals are the smallest ever recorded for adult vertebrates.

The Pumpkin Toadlet’s Miniature Size Makes It a Lousy Hopper

These amphibians’ tiny inner ear canals make balancing mid-jump a challenge

Archaeologists found the remains of roughly 350 frogs near an Iron Age roundhouse.

How Did Thousands of Frog Bones End Up Buried at an Iron Age Settlement?

Archaeologists are trying to make sense of the remains, found in a ditch in England

Genetically, each species were different, but the team also found differences in the skull shapes, the levels of bone formation in the skeleton, and the number of warts on the hands and feet. (Pictured: C. cueyatl)

Six New Miniature Frog Species Discovered in Mexico

The amphibians are found under leaf litter and hatch fully grown

Spotted tree frogs are critically endangered in New South Wales.

Critically Endangered Spotted Tree Frogs Released Into the Wild in Australia

Bushfires, fungal disease, predation and other threats have pushed these amphibians to the brink of extinction

African clawed frogs (Xenopus laevis) were able to regrow a functional limb within 18 months of the novel treatment.

Frogs Can Regrow Lost Legs in the Lab. Now, Researchers Say Human Limb Regeneration Could Happen 'in Our Lifetime'

A 24-hour treatment using a five-drug cocktail kickstarted a yearlong regrowth process in the amphibians

Page 1 of 5