Researchers have verified the closest cousins of a semi-aquatic mouse thought to be extinct, including two new species discovered through DNA analysis and physical trait comparisons. The findings reveal that these mice are long-legged, use their whiskers to hunt aquatic insects, and have unusually large brains.
Researchers discovered that Fork-tailed Flycatchers produce unique sounds by fluttering their feathers, which differ between subspecies with varying migration patterns. The distinct 'dialects' may contribute to the species splitting into separate entities.
Researchers have discovered three new species of African vesper bats by comparing their genes, teeth, skulls, echolocation calls, and penis bones. The discovery has resolved taxonomic relationships between the large number of species in the family and describes two new genera.
Paleontologists used a new approach to estimate sexual variation in dinosaur fossils, finding patterns in size differences between males and females. The study suggests that using effect size statistics can produce accurate estimates of sexual dimorphism even with limited fossil data.
Researchers use CT scans to reveal that Tanystropheus lived in the ocean and had separate species of larger and smaller specimens. The study finds that the animals hunted different prey and coexisted without competing for resources.
A study on plant life in China's Hengduan Mountains, Himalaya, and Qinghai-Tibet Plateau reveals how climate change affects evolution. The research found that the diversity of plants today can be traced back to newly-formed mountain ranges 30 million years ago and intense monsoons that followed.
A study in Kenya found that grassroots dog vaccination campaigns can prevent rabies deaths, but to eliminate the disease, larger efforts are required. The efforts involved vaccinating over 13,000 dogs and raising awareness among children about rabies prevention.
Researchers discovered microscopic feather features in cassowaries, revealing the mechanism behind their glossy black shine. They also analyzed a 52-million-year-old fossil bird's feathers, finding structural colors that challenge previous assumptions about extinct species.
The discovery of pebble-shaped teeth in the fossil of Cartorhynchus lenticarpus, an early ichthyosaur species, sheds light on how these animals adapted to their environments. The unusual rounded teeth, likely used for crushing shells, suggest that smaller ichthyosaurs like Cartorhynchus lived closer to shore and fed on invertebrates.
Scientists studied 36 bat species from the western Indian Ocean and Africa, finding that different groups of bats had their own unique coronavirus strains. The research sheds light on how coronaviruses evolved and can help prevent future outbreaks.
Researchers have identified at least four new species of African leaf-nosed bats, which are cousins of horseshoe bats suspected of carrying the virus that caused COVID-19. The discovery highlights the importance of studying these animals to better understand disease transmission and prevention.
A study found that a high diversity of fish in the Rupununi region of Guyana indicates healthy forest ecosystems. Protecting this area can help preserve rivers and biodiversity across the Amazon.
Researchers have figured out how millipedes mate by using high-tech imaging techniques and blacklights that make the different tissues glow. The findings show that the male's gonopods insert sperm into the female's vulvae through tiny claws, while the female's vulvae seal up with a gooey secretion to trap the sperm.
Scientists discovered a new way to analyze lunar soil using atom probe tomography, allowing them to identify products of space weathering, pure iron, water, and helium. This technique can help researchers learn more about conditions on the Moon's surface and formation of precious resources.
A new study found that climate-related variables have a greater impact on small mammal biodiversity patterns across entire forest systems than deforestation does. This approach incorporates functional and phylogenetic diversity measures to uncover patterns that inform conservation efforts.
Scientists discovered stardust formed 5 to 7 billion years ago, the oldest solid material ever found on Earth. The presolar grains, trapped in meteorites, reveal a 'baby boom' of enhanced star formation 7 billion years ago.
A new study reveals that the unique shape of hummingbird melanosomes and air bubbles within their feathers produce shimmering rainbow colors. This discovery opens up a greater understanding of how hummingbirds develop their vibrant plumage, with findings that could also shed light on color patterns in other birds.
A recent study analyzed the gut microbiomes of over 900 species, revealing that birds and bats have surprisingly similar gut bacteria, contrary to expectations. The researchers believe that flying may be the reason for this unique relationship, as it would allow animals to allocate resources more efficiently.
A new study describes a 480-million-year-old fossil named Athenacrinus broweri, which helps rewrite the family tree of sea lilies. The fossil's arm structure reveals that modern sea lilies evolved from ancient ancestors with plates in their bodies similar to those found in earliest crinoid arms.
Over 40 years of data show that migratory birds have been getting smaller as the climate warms. The birds' body masses, leg bone lengths, and overall body sizes all decreased, while their wingspans increased, likely linked to rising temperatures.
Lichens are now known to have evolved millions of years after complex plants, contradicting the long-held theory that they were among the first organisms to colonize land. This new understanding sheds light on the early evolution of ecosystems and the role of lichens in shaping the environment.
Researchers discovered that bats have fewer bacterial species living in their guts than in their mouths and skin. The kinds of bacteria living in the bats' guts varied from species to species without following any apparent evolutionary pattern, a stark contrast to other mammals.
Researchers studied mammal vertebral columns and found discrete steps in complexity, linking increased activity levels to evolution. Complex spines evolved in bursts, influencing breathing, metabolism, and movement, shaping modern mammals' traits.
Researchers discovered that warty and smooth-skinned octopuses from different depths are the same species. The deeper they live, the bumpier their skin and smaller their bodies. Genetic analysis confirmed these findings, indicating that environmental factors, such as food availability, influence the animals' appearance.
Researchers have discovered a new species of ten-foot-long crocodile in New Guinea, separated from another by the island's mountain range. The species, Crocodylus halli, was named after Philip Hall, who first investigated the reptile's lineage.
A new study suggests that a giant asteroid collision 466 million years ago caused an ancient ice age by releasing massive amounts of extraterrestrial dust into the atmosphere, leading to global cooling. This phenomenon allowed life to adapt and thrive in changing temperatures.
Scientists are exploring hundreds of years' worth of information on organisms and ecosystems using digital records of preserved plants and animals. Biodiversity databases are being used to track species populations, migration patterns, and ecosystem health, providing crucial information for conservation and public health research.
Scientists have reclassified a 226-million-year-old fossil beetle, Leehermania prorova, as a member of the skiff beetle family, pushing back the age of this group by 100 million years. The discovery was made possible by international collaboration and the analysis of its mandibles, antennal shape, and genitalia.
A massive collaborative study reveals that early humans globally altered their environments as far back as 10,000 years ago. The study found widespread land use changes, including deforestation and invasive farming, starting around 3,000 years ago.
Researchers used gene sequencing to discover new species, casting doubt on previously recognized species. The study aims to rewrite the horseshoe bat family tree, with implications for conservation and disease prevention.
A new study found that fungi have a harder time growing in cattail roots underwater, suggesting that plants may not have relied on fungal helpers to get onto land. The research provides a new tool for understanding prehistoric ecosystems and challenges previous narratives about plant-fungal interactions.
Researchers built mini temperature-controlled habitats to study how poison frogs adapt to warmer temperatures. The study found that frogs from sunny pastures prefer higher temperatures, but their maximum tolerance remains unchanged.
A new study reveals that lichens, organisms made of fungi and algae, seized the opportunity to evolve and diversify rapidly after the mass extinction event that wiped out the dinosaurs. The research found that some lichens grew sophisticated structures similar to plant leaves, filling the niches left vacant by extinct plants.
Two new studies suggest that planting milkweed in cities could support 15-30% of the 1.8 billion stems needed to save Monarch butterflies. Urban areas offer a vast potential for creating habitat, with residential yards and low-quality green spaces being particularly valuable targets.
Researchers found two new species of 'tweezer-beaked hopping rats' in the Philippines, with distinctive features like long pointed noses and sturdy hind legs. The discovery highlights the country's incredible biodiversity and the importance of protecting mountainous forests where these unique species thrive.
A study published in Ecology found that baby tiger sharks eat a variety of terrestrial birds, including songbirds like sparrows and woodpeckers. The sharks' stomachs contained remains from 41 out of 105 juvenile sharks, revealing a diet that includes land-dwelling bird species.
Historical records show that lions are injured by porcupine quills when they attempt to hunt them. Young male lions are more likely to be injured or killed, and their injuries can impair their hunting abilities and even lead to man-eating.
Researchers at the Field Museum used UV light to reveal differences in millipede genitals, enabling them to identify eight separate species, four fewer than previously recognized. The discovery has implications for environmental monitoring and understanding climate change.
Researchers recreated ancient brewing techniques to analyze ceramic beer vessels from Cerro Baúl. They found that the vessels were made of clay from nearby sources and that the beer was made of pepper berries, a drought-resistant ingredient. This steady supply of beer helped keep Wari society stable by forming unity among populations.
Researchers uncover six distinct genera and over 60 species of wood-boring clams, revealing their unique diet and importance in the ocean's carbon cycle. The discovery sheds new light on these tiny creatures' role in shaping the deep-sea ecosystem.
Researchers found a wide variety of different forelimb shapes evolved within the therapsids 270 million years ago. This discovery helps explain how mammals evolved traits that have made us what we are today, from simple tasks like holding a phone to more complex behaviors.
Researchers analyzed stable isotopes in Louisiana roadkill to understand ancient wetland ecosystems. They found that the method was effective but not always precise, as modern animals have diverse diets that don't segregate neatly into boxes.
Archaeologists used a portable X-ray fluorescence detector to analyze ceramic pieces from the Java Sea Shipwreck, pinning their origins to specific kiln sites in southeastern China. The findings reveal complex trade networks between Asia and Africa in the 12th and 13th centuries, challenging traditional Eurocentric views of globalization.
A new fossil discovery reveals the earliest known passerine bird with a finch-like beak, which suggests a diet of small hard seeds. The bird, Eofringillirostrum boudreauxi, lived in what is now Wyoming during the Early Eocene period.
Six new species of Ancistrus catfish with unique features such as tentacles and armor-like plates have been discovered in the Amazon rainforest. The findings highlight the need for conservation efforts to protect these creatures and their habitats from threats like habitat destruction, deforestation, and gold mining.
Scientists have discovered an iguana-sized reptile, named Antarctanax shackletoni, with unique adaptations to the extreme Antarctic environment. The ancient creature, a carnivore that hunted early mammals and amphibians, provides insights into prehistoric Antarctica's rapid evolution and diversification after mass extinction events.
A team of scientists has discovered a new species of fossilized shark teeth, Galagadon nordquistae, in the same rock as SUE the T. rex. The small shark lived in freshwater rivers and had distinctive shaped teeth similar to spaceships from the video game Galaga.
Researchers analyzed sperm from 58 South American rodents to find that distinct shapes can differentiate between closely related species. The study suggests that sperm shape may be an evolutionary advantage, providing a new method for identifying and conserving rodent species.
A reconciliation ceremony between the Kwaio community and Australian scientists has set a foundation for peace, collaborative research, and healing of historical trauma. The partnership, which began in 2015, involves the protection of Kwaio land for research and conservation entities, emphasizing local cultural processes.
Researchers found that plants developed ant-friendly traits long after ants started relying on them for food and habitat. Plants use ants to spread seeds and act as bodyguards, while ants benefit from rich nectar and shelter in hollow thorns.