A new study suggests that protecting key habitats outside of existing wildernesses and preserves is essential for conserving at-risk species with small ranges. The analysis shows that even half of the world's large wilderness areas may not be enough to protect many more species.
A Rutgers study finds that popular exotic pet reptiles and lizards are more likely to be released into the wild, causing ecological harm. The research highlights the need for education and resources to prevent these releases and mitigate invasive species.
Researchers studied the skin microbiome of eastern massasauga snakes to understand how environmental microbial communities promote disease resistance. Infection with snake fungal disease alters the bacterial and fungal diversity of infected snakes, making them more susceptible to the pathogen.
A new species of African pygmy toad was discovered on one of Angola's most underexplored mountains, the Serra da Neve Inselberg. The new species lacks ears and is distinct from its close relatives.
Researchers at the University of Guelph have discovered that leopard geckos can create new brain cells using a specific type of stem cell. This finding has implications for treating brain injuries and diseases, as it suggests that geckos may be able to regenerate parts of their brains.
A new study provides a roadmap for conservation efforts in human-modified landscapes, helping prioritize protection of fragile ecosystems. The research highlights the importance of forest cover and waterways in determining amphibian distributions.
Researchers at Ohio State University found that unisexual salamanders rarely borrow DNA from other species, despite persisting for millions of years. The study suggests that their unique reproductive strategy may be linked to environmental changes or specific interactions with other species.
Researchers at Clemson University found that salamanders can alter their behavior and physiology in response to environmental stressors, reducing extinction risk. This new understanding could provide a more accurate assessment of the impact of global warming on salamander populations.
A recent study has traced the origins of deadly chytrid fungus to East Asia, highlighting the need for increased biosafety guidelines and trade regulations to prevent its spread. The researchers sequenced pathogen samples from around the world and identified four main genetic lineages of the fungus, including one found only in Korea.
Researchers discovered that zebrafish use a near-360 degree view to detect threatening silhouettes in black-and-white and seek out food by detecting UV light scattering. Their unique four-color vision system is unlike any other vertebrate, with half of their neurons dedicated to eyes that are substantial metabolic investments.
A new study predicts that climate change will have a more significant impact on global biodiversity than land use changes by 2070. Vertebrate communities are expected to lose between a tenth and over a quarter of their species locally due to climate change.
A new study by researchers at Uppsala University found that the pesticide linuron impairs male frogs' fertility and causes a female-biased sex ratio. The study used the West African clawed frog as a model organism to investigate the effects of pesticides on amphibian reproduction.
Researchers identified over 8,000 endogenous retroviruses in 72 fish species, 4 amphibians, and 16 reptiles, greatly expanding the known diversity of retroviruses. The study suggests that retroviruses frequently switched between hosts and originated from aquatic environments.
Scientists have recorded Batrachochytrium dendrobatidis, a lethal fungus, for the first time in caecilians and amphibians in the Western Ghats. The fungus, Bd, causes chytridiomycosis and poses a significant threat to these species.
A recent study in Current Biology identifies the giant Chinese salamander as having five distinct species, all of which are critically endangered and face imminent extinction. The researchers highlight the importance of genetic assessments and conservation efforts to protect these unique animals.
Researchers at the University of Delaware have discovered a protein, Celf1, that triggers degradation in the eye lens, allowing clear vision. The study reveals the molecular mechanism behind this complex process, shedding light on how cells degrade their own nuclei and DNA without killing themselves.
A new report reveals that limiting warming to 1.5°C would avoid half the risks associated with warming of 2°C for plants and animals, and two-thirds of the risks for insects. Species in Southern Africa, the Amazon, Europe, and Australia would particularly benefit.
Researchers at the University of Seville have developed an automatic classifier for frog calls using artificial intelligence. The system can identify temperature fluctuations and detect changes in reproductive behavior, providing a powerful indicator of global warming.
Climate change in Quebec could lead to a greater diversity of species in national and provincial parks. By 2100, up to half of the protected regions may see an increase in species turnover of over 80%. The researchers suggest rethinking conservation strategies to prioritize site resilience and connectivity.
A deadly disease threatening frogs originated in East Asia, with global trade and human movement of amphibians contributing to its spread. The study found that the range of the disease expanded greatly between 50 and 120 years ago, coinciding with the rapid expansion of intercontinental trade.
A deadly fungus, chytridiomycosis, affecting amphibian populations was traced to the Korean peninsula through genetic sequencing of 177 fungal samples. Human trade of amphibian species accelerated its global spread, with strains showing varying levels of virulence.
A deadly fungus responsible for devastating amphibian populations worldwide may have originated in East Asia, new research suggests. The study analyzed genetic data from over 234 samples and found that four main genetic lineages of the fungus, including one native to Korea, contained high levels of genetic diversity.
A recent study published in Proceedings of the Royal Society B found that the Bahamian anole lizard's genetic variation is surprisingly low, making it unlikely to adapt quickly to future climate scenarios. The research suggests that strong selection pressure in the past may have eliminated future genetic variation.
A new study by San Francisco State University researchers links the introduction of American bullfrogs to the spread of a deadly fungus that has wiped out over 200 species of amphibians globally. The team found that bullfrogs were often present in the same watersheds as the fungus, suggesting they may be contributing to its spread.
Researchers discovered that fish regenerate skin without scarring by controlling the proliferation of stem cells in the basal layer. This mechanism may be applicable to other vertebrates, including humans, for treating various skin diseases and regenerative medicine research.
Researchers have identified human-specific cancers that differ from animal counterparts, suggesting potential evolutionary origins. The study reveals cancer patterns in humans vary significantly from those of other species, highlighting the need for further investigation into the evolutionary underpinnings of cancer.
A new study found that scientific models used to determine which species and habitats to protect lack critical information, leading to ineffective conservation efforts. The research highlights the need for more accurate species distribution models to target conservation efforts in areas with the most impact.
INRS is awarded over $1.57 million to support four promising research projects focused on ecotoxicogenomics, high-speed bio-imaging, synaptic dysfunction in motor neuron diseases, and quantum materials
A new study reveals that many viruses infecting humans today have ancient evolutionary histories dating back to the first vertebrates, with discoveries made in fish and reptiles. The research, a collaboration between several institutions, found 214 novel RNA viruses in healthy animals, including relatives of Ebola and influenza viruses.
Researchers created a synthetic material that mimics the active camouflage of a chameleon's skin, changing its color and stiffness in response to mechanical stimuli. The material has potential applications in medicine, particularly in the manufacture of biological implants.
A recent study published in Science reveals that some tropical amphibian species are recovering from a deadly fungal disease, despite the pathogen remaining equally deadly over time. The researchers found that nearly a decade after the outbreak, some frogs in Panama are surviving and may have better defenses against the infection.
Researchers found that frogs surviving the chytridiomycosis epidemic developed stronger defenses against the fungus, inhibiting its growth. However, captive breeding programs face challenges in replicating these findings, highlighting the need for further research on disease dynamics and host resistance.
A new study suggests that amphibian populations in Panama have started becoming more resistant to the deadly fungal pathogen chytridiomycosis. Over 2,000 diagnostic samples show a decrease in the prevalence of the fungus since the initial epidemics occurred.
Rare amphibian species on rocky plateaux in western India are threatened by erosion and disease. The research highlights the need for greater protection of these habitats to preserve the species.
Human habitat alteration leads to global phylogenetic homogenization, replacing diverse species with similar clades. Average loss of 13.5% in phylogenetic diversity reported across five continents.
A new study finds that climate change could lead to local extinction of up to 25% of plant and animal species in the world's most biodiverse areas. If carbon emissions continue to rise unchecked, these places could lose half of their species by the turn of the century.
Researchers detect Batrachochytrium dendrobatidis fungus in environmental DNA samples from lakes in California, providing an early signal of potential outbreaks and offering a non-invasive method to screen for the pathogen. The discovery could help save amphibian species around the world from extinction.
Scientists discovered two new frog species with gastromyzophorous tadpoles, which use modified bellies to exploit fast-flowing streams. The frogs are endemic to Sumatra's rainforests and were classified into a new genus called Sumaterana.
A study found that trappers in Madagascar do not perceive conservation as important to their work, and the income from wildlife trade is not enough to create incentives for species and habitat protection. The research suggests that local people's engagement in biodiversity conservation needs to be better incorporated into policies.
Researchers from the University of Toronto discovered that Captorhinus, a small reptile from the Early Permian period, could detach its tail to escape predators. The reptiles had naturally occurring cracks in their vertebrae that allowed them to break away and escape relatively unharmed.
A new study reveals that primitive air-breathing fish, such as the South American lungfish, exhibit similar mechanisms controlling the heart as mammals. These mechanisms include a periodic breathing pattern and respiratory sinus arrhythmia (RSA), which enables the fish to maximize oxygen uptake during air-breathing bouts.
A recent study found that polar regions are experiencing earlier springs, with advances of up to 16 days earlier than a decade ago. This is attributed to rapid springtime warming at higher latitudes, which has significant implications for migratory bird species and their habitats.
Researchers found caecilians have enlarged mucous glands for lubrication and burrowing, while poison glands provide chemical defense against predators. The discovery reveals unique adaptations of the amphibians to their environments.
A new study finds that Robusta beans can support higher densities of sensitive avian populations and harbor substantial biodiversity benefits. Arabica beans, on the other hand, are more species rich but may pose deleterious impacts for forest wildlife due to intensive full-sun agricultural systems.
Researchers at University of Cambridge have discovered the neural circuit controlling cuttlefish's dynamic skin papillae, enabling 3D camouflage. The discovery opens up new avenues for biologically-inspired material design and may shed light on cephalopod perception.
Researchers found that estrogens from treated wastewater persist in vernal pools for weeks, transforming into more potent compounds and impacting sensitive aquatic habitats. The study suggests inadequate water treatment practices may be contributing to this issue.
A recent study published in the Journal of Mammalogy reveals that over 1000 new species of mammals have been described globally during the last dozen years. This rate of species discovery parallels that seen in global amphibians, driven by advances in DNA analysis methods and field exploration.
Researchers analyzed over 270 million years of data to find that mammals and birds are better equipped to evolve and adapt to a changing climate. They have the ability to regulate their body temperature, allowing them to thrive in colder temperatures.
Two new treefrog species were recently discovered in the Amazon Basin of Bolivia, Peru, and Brazil, shedding light on previously unknown species. The scientists also drew parallels between the natural world and Stanley Kubrick's film A Clockwork Orange.
The African and Western clawed frog hybrid crossbreeding reveals that a duplication of chromosomes can occur, allowing viable offspring. However, some hybrids are not viable due to dysfunctional separation of paternal chromosomes, leading to the death of early-stage embryos.
A new study published in Science Advances suggests that the emerging snake fungal disease could infect all snakes globally, regardless of their ancestry or habitats. The disease, caused by Ophidiomyces ophidiodiicola, primarily affects snakes' skin, leading to lesions and potentially deadly outcomes.
A study on late Permian ecosystems sheds light on biodiversity and species distribution near the equator. The research found an unusual variety of species in fiery, hot deserts, challenging the assumption that tropical regions are diversity hubs.
Researchers decoded two worm genomes and found genetic similarities with vertebrates, including humans. They share genes involved in multicellularity and head development with deuterostomes, despite being distantly related. This discovery highlights the dynamic nature of animal genome evolution and our connection to ancient ancestors.
A Penn State study found that glow sticks can greatly increase amphibian captures by up to six times, making it a more efficient and cost-effective method. The researchers used glow sticks to lure adult salamanders and frogs into traps set in vernal pools, resulting in a significant capture rate.
Experts weigh in on whether keeping reptiles and amphibians as pets should be restricted due to public health and animal welfare concerns. A team from Ghent University argues that with proper information and care, these animals pose no greater burden than traditional pets.
A new database identifies 1,189 threatened island species and the invasive species driving their decline. Effective management could prevent extinctions for 95% of these species.
A nearly complete skeleton of a 76-million-year-old tyrannosaur was discovered in the Grand Staircase-Escalante National Monument. The fossil is believed to be an individual of the species Teratophoneus curriei, with a relatively short head and estimated length of 17-20 feet.
A study found that atrazine exposure increases feminization in male Blanchard's cricket frogs, altering their sex ratio. The species is highly sensitive to atrazine, which disrupts gonadal development and impacts ecological trajectories.
An international team has produced a catalogue and atlas of the world's reptiles, linking it with existing maps for birds, mammals, and amphibians. The new data reveals urgent conservation concerns, including drylands and deserts, where conservation action is vital.
A study published in the Journal of Evolutionary Biology reveals that hundreds of male frog species undergo temporary color changes during their breeding season. These color changes serve as a signal to other males, indicating which frogs are suitable partners and improving chances of successful pairings.