Taking a Bite Out of Oddball Tooth Evolution: Frogs Lost Teeth More Than 20 Times
Scientists have long known that frogs are oddballs when it comes to teeth. Some have tiny teeth on their upper jaws and the roof of…
Frogs
Embryos of Many Species Use Sound to Prepare for the Outside World – Hear Nile Crocodile Embryos Before Hatching
It’s well known that reptiles depend on temperature cues while in the egg to determine a hatchling’s sex. Now, researchers writing in the journal Trends in…
“Evolutionary Rosetta Stone” – New Insight Into the Biology of a Deadly Fungus
Bd’s actin structures likely play roles in causing skin disease threatening amphibians worldwide. Researchers at the University of Massachusetts Amherst have gained new insight into…
New Diamond Frog From Northern Madagascar – “As Soon as I Saw This Frog, I Knew It Was a New Species!”
Despite the active ongoing taxonomic progress on Madagascar’s frogs, the amphibian inventory of this hyper-diverse island is still very far from being complete. The known…
Alien Carnivorous Frog Invasion Wreaks Havoc on Natural Habitat
Indiscriminate feeding by an alien population of the carnivorous spotted-thighed frog – could severely affect the native biodiversity of southern Australia according to a new…
Coquí Fossil Takes Title of Oldest Caribbean Frog – “Pride of Puerto Rico”
The bright chirp of the coquí frog, the national symbol of Puerto Rico, has likely resounded through Caribbean forests for at least 29 million years….
Skulls Gone Wild: Secrets of How and Why Frogs Evolved Extreme Heads
Many frogs look like a water balloon with legs, but don’t be fooled. Beneath slick skin, some species sport spines, spikes, and other skeletal secrets….
Widespread Chytrid Fungus Infections Found in 80 Species of Frogs in Peruvian Amazon Rain Forests
University of Michigan biologists have documented, for the first time, the widespread presence of the notorious chytrid fungus in 80 species of frogs from lowland…
Amber Fossils Provide Earliest Direct Evidence of Frogs
About 99 million years ago, a tiny juvenile frog in present-day Myanmar was suddenly trapped in sap with a beetle, perhaps its intended next meal….
Researchers Reveal Human Threats to the Amphibian Tree of Life
A new study by researchers at Yale and George Washington University examines the human threats to the amphibian family tree and calls for a rethinking…
Suburbanization, Estrogen Contamination is Changing the Amphibian Populations
New research from Yale University reveals that estrogen in suburban yards is changing the ratio of male and female green frogs at nearby ponds. Green…
Lazarus Project Produces Cloned Embryos of an Extinct Frog
By using a laboratory technique known as somatic cell nuclear transfer, scientists have produce cloned embryos of the extinct frog Rheobatrachus silus. The genome of…
Poisonous Dendrobatidae Frogs are Aposematic Organisms and Critically Endangered
These colorful photos of two species of Dendrobatidae, from the Reptile House at the London Zoo, feature these critically endangered amphibians in all of their…
New Frog Species Discovered Living in New York and New Jersey
The yet unnamed amphibian was discovered by a team of researchers in the ponds and marshes of Staten Island, mainland New York, and New Jersey….
Two New Frog Species are World’s Smallest
You won’t see many frogs of this size. That’s because they are rare and because they are tiny. Two newly discovered frog species are smaller…