Articles tagged with Natural History
A 345-million-year-old fossil of Westlothiana lizziae, once considered the world's oldest reptile, has been rewritten. The study reveals primitive gills and fish-like teeth, suggesting the animal was aquatic or amphibious, not terrestrial. This challenges the long-held idea that reptiles originated on land.
Researchers found that adult chimpanzees in Senegal intentionally hand over tools to infants and youngsters, facilitating learning. The study, published in Frontiers in Psychology, reveals a unique form of teaching where adults deliberately provide tools and food to younger individuals.
A new species of Jurassic squid-like animal, Wyoteuthis linsterorum, has been discovered in Wyoming, USA, with an unusually thick, barrel-shaped skeleton. The discovery, made by an international team of researchers, confirms the existence of an ancient family of belemnites previously thought to have disappeared millions of years earlier.
A large-scale study of nearly 700 species of Neogastropoda provides strong evidence for their single evolutionary origin, identifying four new families and a previously undetected burst of diversification in the early Cenozoic. This finding challenges existing knowledge of marine snail diversity and evolutionary history.
Researchers from the Pontificia Universidad Católica del Ecuador discovered a new species of frog, Pristimantis milpe, by reviewing historical specimens preserved at the Natural History Museum in London. The species is widely distributed and easy to detect, inhabiting the Chocó forests of western Ecuador and southern Colombia.
Researchers digitally reconstructed a dodo brain cavity to understand its sensory abilities, finding it may have had a flexible daily activity pattern and enhanced sense of smell. The study provides new clues on how the dodo foraged and interacted with its environment before disappearing in the late 17th century.
An international team of scientists describes seven new species of Madagascar's elusive diamond frogs, revealing a more diverse group than previously thought. The research provides an important foundation for future conservation efforts in Madagascar's rapidly disappearing forests.
A University of Michigan study finds that fungi are far more abundant deep below ground than previously thought, with over 689 unique species identified. The researchers also discovered complex underground food webs and found evidence of carbon sequestration in the Earth's crust.
Researchers at the University of Tokyo discovered that two tree snail species can alter their shell colors and patterns in response to humidity, using a process called refractive index matching. This unique mechanism has potential applications for smart sensors and materials.
Researchers studied 48 great apes across four species, revealing substantial individual differences in cognitive performance and stable traits. The study's findings suggest a complex structure to ape cognition, with some tasks related to social cues and others to reasoning and executive function.
Researchers studied elephant trunks to understand properties and derive lessons for next-gen soft robotics. The study found functional zoned architecture allowing amplification of tactile signals while protecting fragile sensors.
A team of oceanographers has made two live observations of the elusive goblin shark in its natural deep ocean habitat. The new study extends their known depth range and geographic range significantly, with sightings reported near Jarvis Island and the Tonga Trench.
Researchers found that pregnant Pacific pocket mice trained to fear snakes produce more vigilant offspring, which survive better in the wild. This method of antipredator training may improve conservation breeding and reintroduction programs.
Researchers found that octopuses can use mirrors to find food out of sight, displaying spatial cognitive abilities. The study shows that octopuses traveled to the correct side approximately 73% of the time when searching for a reward.
Scientists have confirmed Praearcturus gigas as the largest scorpion to exist, measuring over a meter in length and sporting pincers up to 16 centimeters long. The discovery sheds light on early arthropod evolution, suggesting that ecological opportunity played a crucial role in their growth.
A newly-discovered blue octopus from the Galapagos Islands has been identified as Microeledone galapagensis, and its unique features were revealed through micro CT scans. The species is the first new octopus species led by curator emerita Janet Voight in her four-decade career.
Researchers observed a previously unknown strategy used by corioxenid parasites to overcome host-imposed barriers. By raising their host's wings, male parasites were able to emerge and mate. This finding expands our understanding of host range diversification within Strepsiptera.
A study of Maiasaura peeblesorum fossilized teeth reveals that juvenile dinosaurs likely received nutritious food while adults consumed tougher plant parts, indicating bird-like parental care. This behavior may have originated in dinosaurs and predates the emergence of birds.
A new study found that fur seals' heart rate peaks six to eight hours after returning to land, indicating a delayed recovery from the physiological costs of foraging at sea. This suggests that seals use their time onshore to actively recover and replenish oxygen stores.
Research by Taro Yoshimura examines the history and linguistic landscape of biodiversity, finding that ancient Greek dominates molluscan family names, often due to prestige and style. This highlights a human side to naming, where science is shaped by epistemic values and cultural biases.
African elephants' genetic history shows they once moved across large distances, exchanging genes throughout the continent. However, current patchy habitats and human activities have led to genetic consequences of isolation, affecting conservation approaches.
Anglerfish species use lures for both attracting prey and signaling potential mates, with bioluminescent lures appearing around 34-23 million years ago. Researchers analyzed over 100 species to study the evolutionary history of lures, tracing changes from motion-based to glowing lures.
A new study finds that contributions from casual and highly active citizen scientists are equally valuable, with each group complementing the other. The research, led by Erin Grady, analyzed millions of observations on iNaturalist and found that both groups contribute to balancing biases in data collection.
Genetic analysis reveals the Tokara Leaf Warbler, a small insectivorous songbird, has been isolated from a similar species for 2.8-3.2 million years. The discovery suggests a need for reevaluation of conservation status due to threats from introduced weasels and environmental modification.
Researchers used diffusion MRI to study the brains of seals, sea lions, and coyotes, finding a 'brain bypass' that allows for vocal flexibility. This discovery may hold the key to understanding the evolution of human language.
Researchers at UMD used AI and 3D imaging to accelerate the scanning and creation of 2,000 interactive ant models, reducing scanning time from 10 hours to a single week. The project, dubbed Antscan, aims to create a living library of interactive models corresponding to Earth's biodiversity.
Research shows that ants with less protective armor, such as cuticle investment, tend to have larger colony sizes and are more successful in terms of diversification rates. This suggests that complex societies like humans may evolve by sacrificing individual quality for collective power.
The American Museum of Natural History has discovered over 70 new species in 2025, showcasing the diversity of life on Earth. The discoveries include fruit flies, tiny mouse opossums, feathered dinosaurs and a newly identified mineral.
Most museum staff support behind-the-scenes tours to educate the public about their work and promote biodiversity. The tours can help improve teaching and public speaking skills, while also fostering a sense of reciprocity and responsibility among staff.
The Florida Museum of Natural History has published 'The Butterflies of California' after five decades of work by brothers Thomas and John Emmel. The book, which clocks in at 854 pages, explores the diversity and life histories of butterflies in western North America.
Researchers have identified three new species of tree-dwelling toads from Africa that skip the tadpole phase and give birth to live toadlets. This rare reproductive strategy is found in less than 1% of frog species, making these toads exceptionally interesting.
A new international study published in Insect Science offers a more complex picture of insect populations. High-flying migratory insects have remained largely stable over nine decades, but agricultural pests are on the rise, posing a persistent threat to food security.
A remotely operated vehicle (ROV) in the Western Weddell Sea uncovered extensive maintained fish nesting grounds, revealing patterns and organization, which are thought to be a survival strategy. The discovery provides critical insights into Vulnerable Marine Ecosystems and their importance for biodiversity.
Researchers have created a statistical model using 20 years' worth of sentinel chicken data to predict elevated West Nile virus activity up to six months in advance. This breakthrough could lead to proactive preventative measures and improve disease outbreak response.
A study found that most rodents have thumbnails instead of claws, which helps explain how they thrived in various environments. This discovery suggests that thumbnails provide more manual dexterity than long, sharp claws, enabling rodents to exploit high-energy resources like nuts.
Researchers have discovered forehead teeth on spotted ratfish, which are used for mating and challenge traditional conceptions of dental history. The findings provide evidence that these unusual structures are indeed teeth, not denticles, and shed light on the evolution of oral teeth.
Gloria Arratia's new book explores the fascinating anatomy of catfishes, while also delving into their evolution and genetic relationships. The updated volume incorporates research from understudied areas like Africa and Asia, shedding light on the group's diverse phylogenetic connections.
Scientists reconstructed the brain, heart, and fins of a 400-million-year-old fish called Norselaspis glacialis. The study found that its acute senses and powerful heart evolved well before jaws and teeth, suggesting a fast-swimming lifestyle was key to evading predators.
A new international study reveals that Skagerrak likely serves as a nursery area for young Greenland sharks, contrary to common associations with Arctic waters. The research also confirms that newborn sharks are born in undisturbed deep-sea areas near the Mid-Atlantic Ridge, south of Iceland.
A recent study on plant beetleweed reveals that it can have multiple chromosome complements, known as cytotypes, which previously were thought to be mutually exclusive. This finding challenges the notion that different species with distinct chromosome numbers cannot coexist.
The PteridoPortal is an online repository of fern and lycophyte information, allowing researchers to access digitized specimens from 35 herbarium collections. This project has significantly impacted biodiversity research, enabling scientists to inventory species in Colombia and other countries.
Researchers found distinct subpopulations of wild baker's yeast in different regions, coinciding with human activity and migration patterns. The study suggests that humans may have unintentionally influenced the environment by introducing microorganisms thousands of years ago.
Researchers studied the organs producing light in Vinciguerria mabahiss, finding they use photophores as counter illumination to break up silhouette and camouflage from predators. The fish produces blue light through a bacterial reaction, using reflective cells and a lens to direct it.
A team of researchers from the University of Kansas has confirmed that the Leyte Chorus Frog is a hybrid of two species with overlapping ranges whose intermingling was driven by deforestation. The discovery sheds new light on the impact of human activities on the environment and highlights the importance of conservation efforts.
Thorny skates exhibit a unique size discrepancy, with small and large varieties coexisting along the North American coast. A new study reveals that COVID-19 restrictions led to an abundance of genetic data, allowing researchers to uncover the secret behind the size difference.
The Cuban blue-headed quail dove is an enigmatic bird species with a perplexing evolutionary history. Its DNA analysis reveals it to be more distinct from other doves than previously thought, dating back at least 50 million years.
A groundbreaking study led by CUNY researcher Stephen Chester uncovers the anatomy, lifestyle, and evolutionary connections of Mixodectes pungens, a mysterious 62-million-year-old mammal. The discovery reveals the species was close to humans and other primates on the evolutionary tree.
A team of researchers has rediscovered the elusive Alsodes vittatus frog species in Chile, providing critical ecological data and highlighting conservation concerns. The rediscovery is a significant milestone for South American herpetology, emphasizing the need to study and protect this rare species.
A new analysis reveals that nearly half of the genus Heliconia, a group of tropical plants related to birds-of-paradise and bananas, are threatened with extinction. Many imperiled plants are not found within protected areas or botanical gardens, making additional conservation action crucial.
The Libroscope initiative seeks to unlock and link data from scientific literature to support understanding of biodiversity. By 2035, the power of biodiversity knowledge will be fully leveraged within an open science framework.
UTA's expansion of its undergraduate research program has enabled students to present their work at major symposiums, including the American Institute of Aeronautics and Astronautics conference. The program has strengthened students' commitment to pursuing graduate studies in various fields.
Researchers have discovered fossilized eggs from three feathered bird-like dinosaurs, two herbivorous dinosaurs, and a previously unknown crocodile-like species in the Cedar Mountain Formation. The findings provide valuable insights into the diversity of ancient life forms and their habitats.
A rare underwater fossil bed discovered by collectors in Florida's Big Bend region has preserved a unique window into the past. The site, dating back to the middle Irvingtonian North American land mammal age, offers insights into evolutionary transitions and speciation.
A Tel Aviv University study found urban bats have shorter pregnancies and start reproducing earlier due to favorable temperatures and food abundance in cities. This is the first study linking urban living to mammalian reproductive patterns.
A new study describes a nearly complete bird skull from Antarctica, revealing insights into the early evolution of today's birds and avian diversity. The skull belongs to Vegavis iaai, an extinct duck-like bird that lived during the Late Cretaceous period.
The University of Texas at Arlington (UTA) has donated thousands of natural history books and journals to Ecuador's National Biodiversity Institute, expanding its research and education programs. The donation, valued at over 8,570 books, 2,000 journals, and 500 articles, will support the work of biodiversity specialists, students, and ...
A fully preserved skull of Diatryma, a 45-million-year-old flightless bird, has been discovered in the Geiseltal Collection at Martin-Luther-Universität Halle-Wittenberg. The fossil, which was initially misclassified as a crocodile skull, provides new insights into the evolution of animals during the Eocene Epoch.
A team of researchers from Florida Atlantic University, San Diego Natural History Museum, and SeaWorld San Diego collaborate to digitize a rare vaquita skeleton, providing a valuable resource for conservation efforts. The scans resulted in three terabytes of data and will be used to create replicas for public display and education.
Cricket frogs use a combination of underwater push and leg movement to propel themselves out of the water, resulting in a 'belly flop' motion. This discovery could lead to advancements in bio-inspired robotics and water testing systems.
The University of Texas at Arlington's Amphibian and Reptile Diversity Research Center (ARDRC) has expanded its library with a donation of over 10,000 rare items, including books, scientific journals, and reports. This addition will provide scientists worldwide with access to a wealth of literature on reptiles and amphibians.