A trio of scientists, one with Universidade Federal do Rio Grande do Sul, another from Museo Historia Natural Noel Kempff Mercado and a third independent researcher, report evidence of several Bolivian river dolphins playing with a Beni anaconda in the Tijamuchi River in Bolivia.
Inborn defensive behaviors, such as flight, freeze and fight, are crucial for animals to survive in a dangerous environment.
Agapetes comprises approximately 100 currently recognized species, most of which are distributed in the Asian subtropical monsoon region. In China, 57 species and two varieties are currently recognized.
Scientists at Scripps Institution of Oceanography at UC San Diego, the J. Craig Venter Institute (JCVI), and the National Oceanic and Atmospheric Administration (NOAA) used tools of genetics research akin to those used in genealogical research to evaluate the diversity of marine life off the Cal ...
A new study by researchers at the National Institute of Standards and Technology (NIST) and collaborators highlights a sharp contrast between urban and suburban ways of thinking about coastal ecosystems.
A team of researchers at Charles Darwin University, in Australia, has found that male fish that mouth-brood are not always guaranteeing that the eggs they carry were fertilized by them.
It's hard to survive in bitterly cold Antarctica. But the ice continent is home to more than 1,100 species who have adapted to life on land and in its lakes.
Squid, octopus, and cuttlefish—even to scientists who study them—are wonderfully weird creatures. Known as the soft-bodied or coleoid cephalopods, they have the largest nervous system of any invertebrate, complex behaviors such as instantaneous camouflage, arms studded with dexterous suckers, an ...
Fungal pathogens cause more than a billion human infections every year, resulting in more than 1.6 million deaths annually. Understanding the natural history and evolutionary ecology of fungi is helping us understand how disease-relevant traits have repeatedly evolved.
A gigantic ocean current, which transports heat around the globe and helps regulate weather patterns throughout the North Atlantic, appears to be slowing down.
Paleontologists have discovered sets of fossils representing three new ichthyosaurs that may have been among the largest animals to have ever lived, reports a new paper in the peer-reviewed Journal of Vertebrate Paleontology.
Producing chocolate, one of the world's most beloved sweets, is a multistep process beginning with freshly harvested cocoa beans. People have been experimenting with chocolate-making for millennia, and even today, new methods are still being introduced.
As reservoir levels dwindle in the arid southwestern United States, scientists have developed a method to estimate summer rainfall in the region months in advance.
As climate change warms the planet, glaciers are melting faster, and scientists fear that many will collapse by the end of the century, drastically raising sea level and inundating coastal cities and island nations.
Algae have a superpower that help them grow quickly and efficiently. New work led by Carnegie's Adrien Burlacot lays the groundwork for transferring this ability to agricultural crops, which could help feed more people and fight climate change. Their findings are published in Nature.
Ecologists have developed powerful modeling tools to predict the distributions of individual species, especially those of conservation importance.
Australian rainforests and bird communities remain under threat following the catastrophic 2019-2020 bushfire season, new UNSW Sydney research shows.
A new study from North Carolina State University examines immune system diversity in the critically endangered Wyoming toad and finds that genetic bottlenecks could impact a species' ability to respond to new pathogens.
Scientists at the University of Bristol have discovered that body size is more important than body shape in determining the energy economy of swimming for aquatic animals.
A trio of researchers, two with Universidad Austral de Chile, and one with Universidad Católica de Chile, has found that a gram of hibernating bat has a similar metabolism to a gram of hibernating bear.
According to two recent studies carried out as part of the Vanishing Glaciers Project, the ecosystems of glacier-fed streams are undergoing profound change around the world. That could have major repercussions on the food chain and the natural carbon cycle.
To assess how climate warming will change risks such as crop failures and wildfires, it's necessary to look at how the risks are likely to interact.
The brain is the organ that orchestrates all the diverse functions and complex decisions that take place in biological systems. Despite its critical nature, it is equally as fragile: the neurons that make up the brain do not regenerate like many other cell types.
During the COVID-19 lockdowns, an increase in people taking an interest in birdwatching revealed our deep need to connect with nature and community during stressful times. It demonstrated the link between engagement with the natural world and social activism.
You may assume that metropolitan areas are devoid of wildlife, but that is very far from the truth. The remaining green spaces within the urban matrices of large cities can serve as corridors or stepping stones for wild animals.
As global temperatures rise, wildfires are becoming more common. A new study by University of Saskatchewan (USask) hydrology researchers found that exposure to wildfire smoke can cause glaciers to melt faster, affecting mountain runoff that provides major freshwater resources for life downstream.
Typically when people hear about plastic pollution, they might envision seabirds with bellies full of trash or sea turtles with plastic straws in their noses.
New research from Charles Darwin University (CDU) has revealed that the estuarine crocodiles (Crocodylus porosus) in the Northern Territory have shifted from an estuarine based diet to one that is largely derived from terrestrial sources.
The slow-moving Australian sleepy lizard has raised new questions about vertebrate immunity after the surprise discovery of the evolutionary disappearance of genes needed for some T cell production in squamates.
More than a fifth of the world’s reptile species are threatened with extinction, according to a global assessment of more than 10,000 species, which shows crocodiles and turtles are among the most at-risk.
A new study led by Southampton University researchers has found that when some species of fish get frisky, their activity causes the Earth's waters to move -- as much as a major storm does.
A new study identifies gaps in data on streams around the world, highlighting potential priorities for future installation of monitoring tools.
Changing dietary patterns in the U.S. are leading to lower emissions of food-related, climate-warming gases, according to a new research study, and half of the reduction can be attributed to eating less beef.
Adding rock dust to UK agricultural soils could absorb up to 45% of the atmospheric carbon dioxide needed to reach net zero, according to a major new study led by scientists at the University of Sheffield.
After males of the orb-weaving spider Philoponella prominens mate with a female, they quickly launch themselves away, researchers report on April 25 in the journal Current Biology.
A new study led by Imperial College London finds that drug-resistant mold is spreading from the environment and infecting susceptible people's lungs.
Many people know modern dogs evolved from the gray wolf. But did you know most of the more than 340 modern dog breeds we have today only emerged within the past 200 years?
New UC Riverside research shows fungi and bacteria able to survive redwood tanoak forest megafires are microbial "cousins" that often increase in abundance after feeling the flames.
New research shows that the increase in primate ecotourism is having a negative effect on monkey's behavior. The study, led by the University of Portsmouth, found that this fast-growing tourism sector where tourists can conveniently reach primates via motor boats is causing stress-related behavi ...
Three critically endangered Sumatran tigers were found dead in western Indonesia on Sunday after being ensnared by traps, police said, dealing another blow to the species' rapidly declining population.
Most South Africans aren't worried about malaria even though the disease is endemic in the country. Four of the country's nine provinces carry malaria risk while 10% of the population is at risk of contracting malaria.
A new study from researchers in Finland, published Monday, found that diets that simply cut down on meat and dairy are nearly as climate-friendly as diets that rely on culture-grown meat and milk.
The Karnali River is one of the major transboundary rivers of the Nepalese central Himalaya and a major tributary of the Ganges River. Though there is a huge potential for dendrohydrological research in the Karnali River Basin (KRB) region in Nepal, no multi-centuries streamflow reconstruction i ...
Climate change and intensive agricultural land use have already been responsible for a 49% reduction in the number of insects in the most impacted parts of the world, finds a new study by UCL researchers.
Over half of the world's population now lives in an urban area, according to a recent report by the United Nations. And that number is expected to grow to two-thirds by the middle of this century.
An international consortium of scientists has launched a new effort to create a reference genome that captures the genetic diversity of all the peoples of the world. The researchers describe the initiative, called the Human Pangenome Project, in a paper published Wednesday, April 20, in the jour ...
The world is a wickedly complex place, especially when people have a need to share limited resources. Herding communities in northern Namibia, for instance, are afflicted by poverty, drought and degraded landscapes.
Climate change could lead to more small-bodied bees but fewer bumblebees, according to research published Wednesday, warning of potential "cascading" effects on plant pollination and across whole ecosystems.
In the race to avoid runaway climate change, two renewable energy technologies are being pushed as the solution to powering human societies: wind and solar. But for many years, wind turbines have been on a collision course with wildlife conservation.
A proposed land management project could cause a population of dolphins in the Northern Gulf of Mexico to become functionally extinct, according to a new study led by the University of St Andrews.