Articles tagged with Birds
Comprehensive exploration of living organisms, biological systems, and life processes across all scales from molecules to ecosystems. Encompasses cutting-edge research in biology, genetics, molecular biology, ecology, biochemistry, microbiology, botany, zoology, evolutionary biology, genomics, and biotechnology. Investigates cellular mechanisms, organism development, genetic inheritance, biodiversity conservation, metabolic processes, protein synthesis, DNA sequencing, CRISPR gene editing, stem cell research, and the fundamental principles governing all forms of life on Earth.
Comprehensive medical research, clinical studies, and healthcare sciences focused on disease prevention, diagnosis, and treatment. Encompasses clinical medicine, public health, pharmacology, epidemiology, medical specialties, disease mechanisms, therapeutic interventions, healthcare innovation, precision medicine, telemedicine, medical devices, drug development, clinical trials, patient care, mental health, nutrition science, health policy, and the application of medical science to improve human health, wellbeing, and quality of life across diverse populations.
Comprehensive investigation of human society, behavior, relationships, and social structures through systematic research and analysis. Encompasses psychology, sociology, anthropology, economics, political science, linguistics, education, demography, communications, and social research methodologies. Examines human cognition, social interactions, cultural phenomena, economic systems, political institutions, language and communication, educational processes, population dynamics, and the complex social, cultural, economic, and political forces shaping human societies, communities, and civilizations throughout history and across the contemporary world.
Fundamental study of the non-living natural world, matter, energy, and physical phenomena governing the universe. Encompasses physics, chemistry, earth sciences, atmospheric sciences, oceanography, materials science, and the investigation of physical laws, chemical reactions, geological processes, climate systems, and planetary dynamics. Explores everything from subatomic particles and quantum mechanics to planetary systems and cosmic phenomena, including energy transformations, molecular interactions, elemental properties, weather patterns, tectonic activity, and the fundamental forces and principles underlying the physical nature of reality.
Practical application of scientific knowledge and engineering principles to solve real-world problems and develop innovative technologies. Encompasses all engineering disciplines, technology development, computer science, artificial intelligence, environmental sciences, agriculture, materials applications, energy systems, and industrial innovation. Bridges theoretical research with tangible solutions for infrastructure, manufacturing, computing, communications, transportation, construction, sustainable development, and emerging technologies that advance human capabilities, improve quality of life, and address societal challenges through scientific innovation and technological progress.
Study of the practice, culture, infrastructure, and social dimensions of science itself. Addresses how science is conducted, organized, communicated, and integrated into society. Encompasses research funding mechanisms, scientific publishing systems, peer review processes, academic ethics, science policy, research institutions, scientific collaboration networks, science education, career development, research programs, scientific methods, science communication, and the sociology of scientific discovery. Examines the human, institutional, and cultural aspects of scientific enterprise, knowledge production, and the translation of research into societal benefit.
Comprehensive study of the universe beyond Earth, encompassing celestial objects, cosmic phenomena, and space exploration. Includes astronomy, astrophysics, planetary science, cosmology, space physics, astrobiology, and space technology. Investigates stars, galaxies, planets, moons, asteroids, comets, black holes, nebulae, exoplanets, dark matter, dark energy, cosmic microwave background, stellar evolution, planetary formation, space weather, solar system dynamics, the search for extraterrestrial life, and humanity's efforts to explore, understand, and unlock the mysteries of the cosmos through observation, theory, and space missions.
Comprehensive examination of tools, techniques, methodologies, and approaches used across scientific disciplines to conduct research, collect data, and analyze results. Encompasses experimental procedures, analytical methods, measurement techniques, instrumentation, imaging technologies, spectroscopic methods, laboratory protocols, observational studies, statistical analysis, computational methods, data visualization, quality control, and methodological innovations. Addresses the practical techniques and theoretical frameworks enabling scientists to investigate phenomena, test hypotheses, gather evidence, ensure reproducibility, and generate reliable knowledge through systematic, rigorous investigation across all areas of scientific inquiry.
Study of abstract structures, patterns, quantities, relationships, and logical reasoning through pure and applied mathematical disciplines. Encompasses algebra, calculus, geometry, topology, number theory, analysis, discrete mathematics, mathematical logic, set theory, probability, statistics, and computational mathematics. Investigates mathematical structures, theorems, proofs, algorithms, functions, equations, and the rigorous logical frameworks underlying quantitative reasoning. Provides the foundational language and tools for all scientific fields, enabling precise description of natural phenomena, modeling of complex systems, and the development of technologies across physics, engineering, computer science, economics, and all quantitative sciences.
In Chinese penduline tits, egg burial is primarily done to prevent eggs from rolling out of the nest in strong winds, a function that may have evolved in ancient species of the genus. This study found that 45% of eggs in experimental nests showed signs of being blown out, highlighting the importance of egg burial in these birds.
A recent study found that boosting the pink pigeon's numbers is not sufficient to prevent its extinction in the future. The species has a high genetic load of bad mutations, which puts it at risk of collapse if conservation efforts do not continue.
Researchers found that genes expressed in the brains of fearless birds differ from those of fearful birds, influencing their behavior and adaptation to new environments. This study provides insights into the genetic basis of fear and boldness in wild animals, potentially leading to novel approaches for addressing anxiety disorders.
Researchers found that greater mouse-eared bats imitate the buzzing sound of a stinging insect to avoid predatory owls. The study, published in Current Biology, provides evidence of interspecific mimicry between mammals and insects.
A recent study reveals that approximately 48% of existing bird species worldwide are undergoing population declines, with only 6% showing increasing trends. The study identifies key threats including natural habitat loss, direct overexploitation and climate change.
The article examines the avian literary motif in the Standard Babylonian Gilgameš Epic, exploring its cultural significance and literary devices. Bird calls are linked to deities and assign specific sounds to each bird, with some foreshadowing events like Enkidu's transgressions against the gods.
Researchers found a correlation between Parkinson's gene alpha-synuclein and vocal production in zebra finches. The study suggests that this link could lead to earlier diagnoses and treatments for Parkinson's patients.
Researchers created a warbler distribution map to identify areas important for conservation, indicating places where habitat improvement and restoration can benefit the species. The model suggests promoting woodlands with high tree canopy cover, 60–80% Ashe juniper composition, and tree heights over 3 meters.
A new study by Oregon State University finds that bird species in eastern Canada are experiencing population declines due to habitat loss caused by forestry activities. The researchers estimate that between 33 and 104 million birds were lost due to forest degradation over 35 years.
UK wildlife recorders generally welcome newly arrived bird and insect species due to climate change, but have reservations about invasive species that harm native animals. The survey suggests that public opinion plays a crucial role in managing these arrivals, with scientific evidence being a key factor.
A study has discovered that humans are disrupting a fundamental pattern in ecosystems, which dates back at least 66 million years. The U-shaped relationship between diet and size in modern land mammals has been found to span across multiple vertebrate groups, including birds, reptiles, and fish.
New research from Washington University in St. Louis shows that crows and ravens' diverse traits enabled their rapid global expansion. Their intelligence allowed them to adapt to new environments, while their big bodies gave them a competitive advantage.
A recent study found that four Alpine bird species will undergo a range contraction towards higher elevations in response to climate change. The analysis predicted that ~15,000 km² of areas will remain suitable for at least three species in the future, with 44% currently designated as protected areas.
The Bird Language Diversity app provides a 'birds eye view' of vital information on bird species globally. Researchers found that 1587 species have 10 languages or more spoken within their distributions, highlighting the importance of overcoming language barriers for effective conservation measures.
Researchers developed nationwide maps of bird species to aid conservation efforts, providing fine-resolution data for individual counties or forests. The maps predict bird diversity based on traits such as nesting habits and environmental factors like forest cover and temperature.
Human activity on Hainan Island is causing changes in the body shapes and diets of tropical birds, resulting in biotic homogenisation. Despite efforts to protect biodiversity, the island's unique ecosystem is being affected by large-scale economic and land-use changes.
A study of isotopes found in bird samples reveals long-term patterns in the short-tailed albatross' foraging behaviour, which disappeared after hunting. The research suggests this hyper-specialised foraging could re-emerge as populations recover, highlighting the need for close monitoring.
A recent study by researchers from the University of Cambridge and Boston University has made a major breakthrough in understanding how cuckoo finches mimic eggs of multiple host species. The team found that female cuckoo finches inherit their egg-mimicry abilities from their mothers, allowing them to exploit different host species. Ho...
A genome-based study reveals how Amazonian rivers contribute to bird biodiversity by isolating populations and sparking speciation. The research highlights previously unknown species at risk of extinction due to dynamic river systems.
Research by the University of Bath found that weaver birds eating seeds live in colonies and have polygamous breeding, while those eating insects are solitary and monogamous. The study statistically supports an ecological hypothesis on social behavior first proposed 58 years ago.
A University of Illinois-led study reveals a significant decline in tropical forest bird populations, with 70% of understory bird species experiencing a drop of half or more since 1977. The findings highlight the importance of long-term studies and the need to address the lack of data on tropical bird populations.
A new study reveals that leafcutter ants employ complex strategies to maximize the growth of their fungal
A study found that light pollution levels are increasing in the Western Hemisphere, particularly in Southeastern US, Mexico, and Central America, threatening nocturnal migrating bird populations. The authors suggest reversing light pollution trends to save a substantial number of migrating birds.
Researchers used AI to detect dialects in zebra finch songs, showing they play a key role in mate choice. Females prefer males who sing the same dialect as their parents, indicating cultural trait importance over physical appearance.
A study led by Max Planck researchers found that parrots with large relative brain sizes have longer lifespans, averaging up to 30 years. This suggests that increased cognitive ability may help parrots navigate threats and enjoy longer lives.
A fossilized owl skeleton has been discovered in China's Tibetan Plateau, showcasing an extinct species that was active during the day. The study reveals that this ancient owl, Miosurnia diurna, was part of a group of owls that evolved to be diurnal.
A study using century-old museum collections and modern data shows that about a third of bird species in Chicago are laying eggs nearly a month earlier than they did a hundred years ago. Climate change is believed to be the main culprit behind this shift, with rising temperatures affecting nesting habits.
A new study found that re-wetting drained peatlands can support bird diversity and sustainable oil palm farming without affecting yields. The research suggests restoring peatlands can conserve biodiversity and livelihoods for smallholder farmers in Indonesia.
Researchers found that voles in Inner Mongolia, China, trim tall grasses when shrikes are nearby, decreasing predation risk. The voles' behavior is an example of ecosystem engineering, where they modify their environment to improve survival.
A study reveals that new bird species arise in lowland habitats before moving higher into mountainous areas, where genetic differences accumulate. The research suggests that climate fluctuations, particularly during the Pleistocene era, contributed to the evolution of these high-altitude populations.
Researchers tested the learning abilities of California scrub-jays and Mexican jays using a novel food puzzle. Contrary to expectations, both species showed similar abilities to learn, with Mexican jays relying more on social learning and scrub-jays on individual problem-solving.
A new study reveals that global warming is responsible for half of the changes in key physical and behavioral traits of European birds since the 1960s. Non-climate environmental factors also contribute to these changes, with their effects often compounding those of climate change.
A comprehensive analysis of brain cellular composition across amniotes shows that mammals and birds have dramatically increased neuron numbers in the telencephalon and cerebellum, associated with higher cognition. The study suggests that only a handful of unique evolutionary events augmented brain processing power in these groups.
A comprehensive analysis of 1,800 bird species found that adult sex ratios are the main driving force behind differences in sex roles. Climate, life histories, and social environment were not significant factors. The study provides new insights into the evolution of sex roles in birds.
A study published in Ibis used machine learning to predict population trends of 801 bird species worldwide, estimating nearly half are declining. Fragmented populations, particularly non-migratory birds in tropical forests, were found to be the top predictor of population declines globally.
A new analysis has identified common demographic and life history traits among species at risk of extinction. The study found that these traits contribute to patterns of vulnerability, with some species exhibiting higher extinction risks due to factors like smaller population sizes and slower reproductive rates.
A study published in Immunogenetics found that male Kentish Plovers have stronger immune systems than females due to the presence of two active copies of immune genes on their Z chromosome. This may explain why males tend to survive longer than females in this species.
A review by Nathan et al. showcases big-data revolution in movement ecology, revealing new insights into animal behavior and habitat use. Reverse-GPS systems, such as ATLAS, track animals with high accuracy, while acoustic telemetry tracks aquatic life, providing crucial data for conservation.
A recent study published in the Journal of Wildlife Management found that vulture declines are linked to increased disease risks due to their absence. With no natural clean-up crew, diseases spread rapidly among scavenger communities, including feral dogs, which fill the ecological gap left by vultures.
Assistant Professor Emily Cohen at the University of Maryland Center for Environmental Science received a $750,000 NSF CAREER Award to study migrating birds as communities. This research aims to fill critical gaps in understanding animal migration by considering migratory animals as networks of ecological interactions.
Researchers found that different types of ornaments in male yellowthroats are linked to the same superior genes that enhance survival of offspring. Females prefer larger-sized features such as a large black mask or large yellow 'bibs' depending on their location.
The study found that parent birds cut earthworms into smaller pieces and feed them to their nestlings, suggesting a specialized prey preparation behavior. The researchers believe this helps younger nestlings swallow food better.
Researchers discovered that Goffin's cockatoos can coordinate complex tools to solve problems, a cognitive ability previously thought exclusive to primates. This finding sheds light on the evolution of tool use in animals and has implications for understanding human technological skills.
Researchers found that eastern whip-poor-wills from the Midwest breed in a small area of Oklahoma, Arkansas, and east Texas before migrating to Mexico and Central America. The birds' synchronized trip south poses a danger to their population, which has declined by nearly 70% due to habitat loss and urban bird collisions.
A new study by University of Western Ontario researchers finds that fear of predators can reduce prey population growth rates over generations. The study, led by Professor Liana Zanette, demonstrates for the first time in any free-living wild animal that fear itself can halve populations in a short period.
Researchers discovered multiple levels of torpor in hummingbirds, including shallow and deep states, as well as a transition stage between normal sleep and torpor. This flexible control allows hummingbirds to conserve energy while minimizing potential costs, such as increased vulnerability to disease or predation.
Nagoya University researchers have discovered how bird brains compute time differences between sounds reaching each ear to determine their location. This process relies on the clustering of nerve junctions in specialized dendrites dedicated to low-frequency sounds.
Scientists sequenced DNA and measured Island Monarchs, revealing they settle down more readily than expected after colonizing an island. The study confirms the importance of island regions in species evolution, adding new knowledge to biogeography.
Researchers found that males keep track of the order of their songs and how often each one is sung for up to 30 minutes. This complex behavior allows them to curate both their current playlist and the next one, with variations in song order and repeats.
Researchers at UC Riverside have identified a new host protein interaction in chickens that triggers a strong immune response against viral infections. The discovery sheds light on the differences between bird and human immune responses to zoonotic viruses.
A recent comprehensive assessment reveals drastically increased species extinctions and declining populations, indicating the onset of the Sixth Mass Extinction. The study emphasizes the urgent need for conservation efforts and a recognition of humanity's common responsibility to mitigate the crisis.
A recent study by UC Berkeley and Missouri State University scientists found that East African sunbirds have retained their songs for over 500,000 years, with some changes occurring in pulses. This discovery suggests that environmental stability may constrain the evolution of social signals like song.
The regent honeyeater's population is on track to decline to fewer than 300 individuals due to habitat loss and predation. To save the species, conservation efforts must focus on protecting nests from predators, increasing zoo-bred bird releases into the wild, and preserving and restoring habitats.
A study by University of Exeter scientists found that pheasants' heads cool rapidly before a fight, indicating a stress response. After the confrontation, their heads heat up again as normal blood flow is restored.
Researchers at University of Washington documented a mass mortality event among Magellanic penguins in Punta Tombo, Argentina, due to extreme heat. The January 2019 heat wave killed at least 354 adult penguins and 90 chicks, with nearly three-quarters of the deceased being adults primarily due to dehydration.
Researchers have discovered a natural nanostructure in birds that produces iridescent shimmer, finding an evolutionary tweak in feather nanostructure that has more than doubled the range of iridescent colors. This insight could inspire new materials that capture or manipulate light.
Researchers from Ruhr-University Bochum investigated bird brains to understand working memory limitations. They found that birds and monkeys share the same central mechanisms and limits of working memory, with a capacity of about four items of information simultaneously.
Research found that cacao agroforestry systems support unique bird species in tropical dry forests, while bats are more abundant in these areas than in nearby forests. This suggests that cacao farms can serve as biodiversity-friendly oases, providing food and refuge for birds and bats.
A new fossil discovery reveals an extinct early bird that could stick out its tongue, with a bony tongue nearly as long as its head. This finding provides insights into the evolution of feeding mechanisms in birds, highlighting the variation in skull shape and size among ancient species.
Researchers found that three recognized Redpoll species are genetically identical, differing only by a 'supergene' controlling plumage color and morphology. This finding builds on previous research suggesting this might be the case, using greater genetic technological capability to examine the full genome of the birds.