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Do big tadpoles turn into big frogs? It’s complicated

Tadpoles (stock image). Credit: © suwatwongkham / stock.adobe.com If you have any children in your life, imagine for a moment that they don't look anything like their parents, they don't eat anything humans normally eat, and they're active only while adults sleep. While that might sound like an idea from a work of surreal fiction,…

Do big tadpoles turn into big frogs? It’s complicated

Tadpoles (stock image). Credit: © suwatwongkham / stock.adobe.com If you have any children in your life, imagine for a moment that they don't look anything like their parents, they don't eat anything humans normally eat, and they're active only while adults sleep. While that might sound like an idea from a work of surreal fiction,…

Do big tadpoles turn into big frogs? It’s complicated

Tadpoles (stock image). Credit: © suwatwongkham / stock.adobe.com If you have any children in your life, imagine for a moment that they don't look anything like their parents, they don't eat anything humans normally eat, and they're active only while adults sleep. While that might sound like an idea from a work of surreal fiction,…

Do big tadpoles turn into big frogs? It’s complicated

Tadpoles (stock image). Credit: © suwatwongkham / stock.adobe.com If you have any children in your life, imagine for a moment that they don't look anything like their parents, they don't eat anything humans normally eat, and they're active only while adults sleep. While that might sound like an idea from a work of surreal fiction,…

Colorful moth wings date back to the dinosaur era

Tiny light-scattering structures that give today’s butterflies and moths their brilliant hues date back to the days of the dinosaurs. Fossilized mothlike insects from the...

One creature’s meal is another’s pain in the butt

Anyone who’s had a sandwich stolen out of their hands by a gull at the beach knows firsthand how bold and aggressive these birds...

Genomic analysis reveals many animal species may be vulnerable to SARS-CoV-2...

Sumatran orangutan (stock image). Credit: © Anton Petrus / stock.adobe.com Humans are not the only species facing a potential threat from SARS-CoV-2, the novel coronavirus that causes COVID-19, according to a new study from the University of California, Davis. An international team of scientists used genomic analysis to compare the main cellular receptor for the…

Understanding how birds respond to extreme weather can inform conservation efforts

Yellow-bellied sapsucker (stock image). Credit: © karel / stock.adobe.com When it comes to climate change, University of Wisconsin-Madison forest and wildlife ecology Professor Ben Zuckerberg says birds are the proverbial canary in the coal mine. They are both responsive and sensitive to changes in the environment, including the extreme weather events associated with a warming…

Ancient genomes suggest woolly rhinos went extinct due to climate change,...

Woolly rhinoceros illustration (stock image). Credit: © auntspray / stock.adobe.com The extinction of prehistoric megafauna like the woolly mammoth, cave lion, and woolly rhinoceros at the end of the last ice age has often been attributed to the spread of early humans across the globe. Although overhunting led to the demise of some species, a…

Study sheds light on the evolution of the earliest dinosaurs

Illustration of prehistoric dinosaur scene (stock image). Credit: © Orlando Florin Rosu / stock.adobe.com The classic dinosaur family tree has two subdivisions of early dinosaurs at its base: the Ornithischians, or bird-hipped dinosaurs, which include the later Triceratops and Stegosaurus; and the Saurischians, or lizard-hipped dinosaurs, such as Brontosaurus and Tyrannosaurus. In 2017, however, this…

MRI scans of the brains of 130 mammals, including humans, indicate...

Illustration of neurons (stock image). Credit: © onimate / stock.adobe.com Researchers at Tel Aviv University, led by Prof. Yaniv Assaf of the School of Neurobiology, Biochemistry and Biophysics and the Sagol School of Neuroscience and Prof. Yossi Yovel of the School of Zoology, the Sagol School of Neuroscience, and the Steinhardt Museum of Natural History,…

Like humans, beluga whales form social networks beyond family ties

Beluga whales (stock image). Credit: © Wollwerth Imagery / stock.adobe.com A groundbreaking study using molecular genetic techniques and field studies brings together decades of research into the complex relationships among beluga whales (Delphinapterus leucas) that spans 10 locations across the Arctic from Alaska to Canada and Russia to Norway. The behavior of these highly gregarious…

Care for cats? So did people along the Silk Road more...

Person stroking kitten (stock image). Credit: © kulkann / stock.adobe.com Common domestic cats, as we know them today, might have accompanied Kazakh pastoralists as pets more than 1,000 years ago. This has been indicated by new analyses done on an almost complete cat skeleton found during an excavation along the former Silk Road in southern…

Sled dogs are closely related to 9,500-year-old ‘ancient dog’

Sled dogs (stock image). Credit: © murmakova / stock.adobe.com Sledge dogs are much older and have adapted to Arctic conditions much earlier than previously thought. In a new study from the QIMMEQ project, researchers from the University of Copenhagen show that ancestors of modern sledge dogs have worked and lived with humans for over 9,500…

Dolphins learn foraging skills from peers

Dolphins (stock image). Credit: © Dmitry Kokh / stock.adobe.com Dolphins can learn new skills from their fellow dolphins. That's the conclusion of a new study reported in the journal Current Biology on June 25. The findings are the first to show that dolphins are not only capable of learning new ways to catch prey, but…

Origins of the beloved guinea pig

Guinea pigs (stock image). Credit: © Weiming / stock.adobe.com New University of Otago research sheds light on guinea pig domestication and how and why the small, furry animals became distributed around the world. Just published in the international science journal, Scientific Reports, the researchers use ancient DNA from archaeological guinea pig remains which reveals the…

First dinosaur eggs were soft like a turtle’s

Soft turtle eggshells (stock image). Credit: © Salty View / stock.adobe.com New research suggests that the first dinosaurs laid soft-shelled eggs -- a finding that contradicts established thought. The study, led by the American Museum of Natural History and Yale University and published today in the journal Nature, applied a suite of sophisticated geochemical methods…

Spectacular bird’s-eye view? Hummingbirds see diverse colors humans can only imagine

Hummingbird feeding on flowers (stock image). Credit: © Martha Marks / stock.adobe.com To find food, dazzle mates, escape predators and navigate diverse terrain, birds rely on their excellent color vision. "Humans are color-blind compared to birds and many other animals," said Mary Caswell Stoddard, an assistant professor in the Princeton University Department of Ecology and…

Great white shark diet surprises scientists

Great white shark (stock image). Credit: © shanemyersphoto / stock.adobe.com The first-ever detailed study of the diets of great white sharks off the east Australian coast reveals this apex predator spends more time feeding close to the seabed than expected. "Within the sharks' stomachs we found remains from a variety of fish species that typically…

Human activity threatens vertebrate evolutionary history

Aye-aye (stock image). Credit: © javarman / stock.adobe.com A new study maps for the first time the evolutionary history of the world's terrestrial vertebrates: amphibians, birds, mammals and reptiles. It explores how areas with large concentrations of evolutionarily distinct species are being impacted by our ever-increasing "human footprint." Research for the study was led by…

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