Articles tagged with Natural History
Unseasonably warm and cold days prolong moth and butterfly activity by nearly a month, according to the study. Insect lifespans may also be affected, potentially leading to increased pathogen transmission.
A new species of mosasaur, Stelladens mysteriosus, has been discovered in Morocco with star-shaped 'screwdriver teeth'. The unique arrangement suggests a specialised feeding strategy or diet, but the exact prey remains unclear. This find adds to evidence that mosasaurs were evolving rapidly before their extinction 66 million years ago.
Scientists have discovered where the first butterflies originated and which plants they relied on for food, tracing their movements through time. The results show that butterflies first appeared in Central and western North America, with some groups traveling vast distances while others remained stationary.
A new fossil discovery in California has rewritten the scientific understanding of cycad plants, revealing a more dynamic evolutionary history than previously thought. The 80-million-year-old pollen cone found in Silverado Canyon is distinct from modern cycads, with differences in morphology and anatomy.
The platform has enabled the transcription of over 4.7 million specimens, making a significant dent in the backlog of objects stored in museums without online information. The mission to catalog Earth's biodiversity has resulted in an inconceivably large number of specimens, with billions more collectively housed in smaller institutions.
Researchers from Natural History Museums of Los Angeles County have discovered evidence of a symbiotic relationship between Cretaceous dinosaurs and feather-feeding beetles. The study found that the beetles fed on the feathers of theropod dinosaurs during the Early Cretaceous period, approximately 105 million years ago.
The study found fossils of beetle larvae in intimate contact with dinosaur feathers, suggesting a symbiotic relationship where the beetles fed on the feathers. The discovery provides insight into coevolution between vertebrates and arthropods over 500 million years, revealing rare evidence of their interaction.
A new 52 million-year-old bat species has been discovered in Wyoming, shedding light on Eocene chiropteran diversification. The oldest known bat skeleton, this find provides valuable insights into the evolution of bats.
Researchers uncover 70 Euptychiina genera and over 500 species of butterflies, previously considered monotonous, revealing surprising color patterns and mysterious mimicry. The study's classification provides a framework for further investigation into euptychiine biology.
Researchers found that Luna moth tails are primarily used for bat evasion, but also make the insects conspicuous to birds and other predators. The study suggests that the tails' role in predation may have co-opted their function in attracting mates.
Researchers have identified a probiotic that can protect Caribbean corals from stony coral tissue loss disease (SCTLD), a deadly and rapidly spreading affliction. The probiotic treatment has been shown to stop or slow the progression of the disease in infected coral fragments, offering an antibiotic-free alternative.
Researchers at Tel Aviv University recorded and analyzed plant sounds emitted under stress, identifying specific identifiable sounds. The study suggests that plants may communicate with other plants and animals through these sounds.
A new study reveals a surprising exception to the rule of uniformity across the Indo-West Pacific coral reef ecosystem. Chlorodielline crabs with overlapping ranges have uniquely shaped gonopods, but otherwise appear identical, suggesting genetic divergence in different geographic areas.
A cohort study of over 9,000 persons found that asymptomatic middle-aged individuals with subclinical coronary atherosclerosis are at an 8-fold increased risk for myocardial infarction. The study highlights the importance of identifying and addressing obstructive coronary artery disease in patients without known cardiovascular disease.
A global approach has been developed to survey the vast collections of world's largest natural history museums, estimated to hold over 1.1 billion objects. The initiative aims to inform responses to today's interlocking crises by providing a collective strategy for future conservation and sustainability efforts.
The rare Night Parrot's unique cranial adaptations, including asymmetrical skulls and enlarged ears, may help it survive with limited eyesight. The study uses high-resolution CT scans to reveal insights into the species' biology and behavior, highlighting its advanced audio capabilities.
Researchers from Xi'an Jiaotong-Liverpool University identify vital differences between the plants, including pollinators and lifespan, confirming their classification. The study highlights the importance of recognizing every species for conservation programs.
Researchers from iDiv and MLU found that species with extreme body size shifts have a higher risk of extinction on islands. The study analyzed over 1,200 extant and extinct island mammals and found a correlation between human colonization and increased extinction rates.
A new snake family, Micrelapidae, was identified through an international study led by Tel Aviv University researcher Prof. Shai Meiri. The family includes only three species, two in Africa and one in Israel, and diverged from the rest of the evolutionary tree about 50 million years ago.
Researchers discovered that woodcock tail feathers reflect up to 55% of light, 30% more than any other bird feather, due to their unique structure and arrangement. This enhanced reflectance allows them to attract attention in dimly lit environments.
The Ecological Society of America showcases the contributions of Black scholars to 21st-century ecology, exploring historical erasure and public health injustices. The virtual collection features open-access articles addressing disparities in environmental engagement and conservation.
Researchers have identified seven distinct species of whitefish in the Reuss river system, with two new species found in Lake Lucerne and one in Lake Zug. Eutrophication led to the extinction of several species, but the discovery highlights the unique characteristics of each lake's ecosystem.
Three new species of nautilus have been described from the Coral Sea and South Pacific, with researchers studying their characteristics to better understand biogeographic isolation. The discovery highlights concerns over ocean conservation due to pollution, climate change, and overfishing.
Fossils of two near-primate species, Ignacius mckennai and I. dawsonae, dating back 52 million years have been discovered on Ellesmere Island in layers linked with the early Eocene epoch. The findings suggest that these Arctic-dwelling primates evolved more robust teeth and jaws to cope with tougher food sources during winter months.
Researchers used museum collections to measure ecological response to climate change in central Norway, finding clear regional connections and impacts on species life cycles. Small temperature changes can have significant effects on species distribution and biodiversity.
A new study suggests that rodents on Hispaniola went extinct due to human activity, particularly European colonization. The research analyzed carbon-dating results for six hutia species, finding that seven species vanished within the last 2,000 years.
A nationwide registry of AVM patients from 52 hospitals in mainland China investigated the efficacy of different treatments on patient groups. The study found that categorizing treatment strategies based on disease severity is an ideal approach, and a multidisciplinary comprehensive assessment promotes individualized treatment protocols.
Glassfrogs have a unique adaptation to stay transparent, storing nearly all of their red blood cells in their livers with reflective guanine crystals. This allows them to avoid blood clots and live without the risks associated with aggregation of red blood cells.
Researchers added 146 new animal, plant, and fungi species to the tree of life, including 44 lizards, 30 ants, and 14 sea slugs. This discovery highlights the importance of protecting island ecosystems and advancing biodiversity science for conservation action.
Researchers analyzed fossil bed in Nevada's Berlin-Ichthyosaur State Park to determine cause of mass extinction. They found evidence that ichthyosaurs died due to migration, not mass stranding or environmental toxins.
A team of scientists found evidence that 37 ichthyosaurs died in the same location, suggesting they were migrating to give birth over hundreds of thousands of years. Geochemical tests revealed no signs of environmental disturbance or mass stranding events, pointing to a more plausible explanation for their demise.
The report highlights that European taxonomic expertise is declining, with nearly half of insect orders not covered by sufficient scientists. The lack of expertise correlates with GDP and is more pronounced in biodiverse countries, posing significant problems for species conservation.
Researchers found a close correspondence between bat species' wing shapes and their echolocation vocalizations, with both linked to foraging ecology. The study reveals distinct 'foraging syndromes' that have evolved repeatedly in each family, matching optimal evolutionary solutions for different habitats.
Research reveals that Florida's incredible plant diversity was shaped by the peninsula's repeated growth and shrinkage during ice ages. Scrub mints, a unique group of plants endemic to the southeastern US, radiated into multiple new species as they became isolated on islands due to sea level changes.
A study by the American Museum of Natural History and collaborators classifies the world's simplest animals, placozoans, using genetic makeup, revealing distinct lineages and relationships to cnidarians and bilaterians. The research establishes a backbone taxonomy for the phylum, providing insight into their evolution and diversity.
New study reveals plastic additives selectively harm corals' reproductive processes, development, and settlement, affecting ecosystem balance. Researchers found alarming effects of environmental concentrations on various organisms, highlighting the urgent need for better risk assessments.
A study reveals that porcini mushrooms have evolved in different ways across the globe, with local ecological factors playing a stronger role in maintaining genetic distinctiveness than genetic flow. The findings challenge traditional notions of species development and suggest multiple evolutionary strategies for this organism.
A new study reveals how cane toads (Rhinella marina) consume prey by using a complex pulley system of cartilage and muscle. The mechanism involves the hyoid plate, which is attached to muscles and loops like a marionette, pulling food backward into the throat.
An international team of researchers found evidence of cooked fish remains at the Gesher Benot Ya'aqov archaeological site in Israel, dating back approximately 780,000 years. This discovery predates previous knowledge by about 600,000 years and sheds light on the evolution of cooking techniques.
Eastern red bats, now the most commonly detected bat in Midwestern forests, have a significant impact on tree regeneration due to their appetite for insect-damaging bugs. Forest managers can benefit from considering these bats' landscape preferences, particularly ponds and smaller forest openings.
Research by a University of Texas at Austin doctoral candidate reveals that some American parrot remains may have been captured locally rather than imported from Mexico. The study suggests that the ecology of the past can be different from today's, and natural history collections are essential for research.
The BiCIKL project has reached its halfway stage, launching a European community of key research infrastructures and stakeholders in biodiversity and life sciences. The FAIR Data Place online platform aims to provide scientists with access to all types of biodiversity data 'at their fingertips'.
Researchers measured rhino horns from photographs taken between 1886 and 2018, finding a significant decrease in length across all five species. The decline is believed to be caused by intensive hunting, which has also led to a shift in human perceptions of rhinos from hunting to conservation.
Researchers found that closely-related rhododendron species in China's Hengduan Mountains coexist by bursting into bloom at different times of the season. This diversification allows them to reduce competition for resources and pollinators, enabling their survival.
Scientists discover Opisthiamimus gregori, a new extinct species of lizard-like reptile that lived in Jurassic North America alongside dinosaurs. The discovery sheds light on the evolution of rhynchocephalians, an order that diverged from lizards over 230 million years ago.
A new study reconstructs the skeletal structure of Coelurosauravus elivensis, a Late Permian reptile that likely used tree canopy changes to facilitate its evolution. The research reveals the gliding apparatus was supported by either the gastralia or musculature of the trunk.
Paleontologists at Tübingen University's Senckenberg Centre have discovered a previously unknown genus and species of dinosaur, Tuebingosaurus maierfritzorum. The herbivore lived in the Swabian Alb region from 203 to 211 million years ago, displaying similarities with large long-necked sauropods.
Scientists discovered the rarest North American snake, Tantilla oolitica, locked in fatal combat with a giant centipede it swallowed. The CT scan revealed that the centipede's size was the final blow, cutting off the snake's air supply.
A Tel Aviv University study challenges the widely-held assumption that COVID-19 originated from bats, instead highlighting their highly effective immune system. The researchers found that many reported findings on bat-borne viruses are based on antibody presence or PCR tests rather than actual virus isolation.
Researchers have identified eight new species of tiny brown geckos in Madagascar's rainforests, expanding our understanding of their distribution and evolution. The discovery highlights the importance of continued sampling across the region to uncover new species.
Researchers identified a group of Ashkenazi Jews who fell victim to antisemitic violence during the 12th century, shedding new light on Jewish medical history in Europe. The study suggests that a bottleneck event shaped the modern-day Ashkenazi Jewish population prior to the 12th century, earlier than previously believed.
Researchers at the Florida Museum of Natural History found that frog forelimbs are not just for jumping, but also for fighting and grasping mates during reproduction. The fused radius and ulna bones provide strength and weight reduction, while also increasing stress on the tendon connecting to the bone.
Researchers from the University of Copenhagen and Aarhus University have discovered new insights into the coelacanth's unique physiology, including its ability to swim upside down. The study used CT and MRI scanners to model the fish's body, revealing a special skeleton and precise distribution of fatty tissue.
A study of the variegated snailfish reveals it has the highest expression levels of antifreeze proteins ever reported, crucial for survival in sub-zero waters. Warming oceanic temperatures pose a threat to these specialized fishes as they face increased competition from temperate species.
Two new-to-science scorpions, Paruroctonus soda and P. conclusus, are described by Bay Area high school students Harper Forbes and Prakrit Jain in collaboration with the California Academy of Sciences. The species are alkali sink specialists found only in playas from Central and Southern California.
A new species of Bathynomus, a type of deep-sea isopod, has been discovered in the Gulf of Mexico. The new species, B. yucatanensis, is around 26cm long and has unique features such as slender body proportions and longer antennae.
A new panda species, Agriarctos nikolovi, has been discovered in Bulgaria, which may have been Europe's last known giant panda. The fossilized teeth, found in the late 1970s, suggest that this ancient panda consumed a largely vegetarian diet, unlike modern pandas.
A new study found that coral spawning events at deeper depths occur at lower intensities than those in shallow waters. The researchers suggest that deep reefs may more often rely on shallow-reef corals to survive.
A new study reveals that mountain lion predation on wild donkeys is widespread and leads to changes in their behavior and ecological effects on desert wetlands. This interaction between predator and prey suggests a more dynamic ecosystem than previously thought.
A new study published in Evolutionary Biology refutes a claim that Tyrannosaurus rex should be reclassified into three separate species based on variations in leg bones and teeth. The researchers found that the earlier proposal lacked sufficient evidence and was based on limited comparative samples, non-comparable measurements, and imp...