Research on birds and their behavior. Covers birdwatching and wellbeing, birds as pest control, birdsong, and migration.
Researchers found that sharks' tooth-like skin follows a similar patterning mechanism to bird feathers, using the reaction-diffusion model to explain its development. This discovery suggests a shared developmental pathway across vertebrates, with implications for our understanding of evolution and animal diversity.
Scientists have identified a rare three-species hybrid warbler found in Pennsylvania, resulting from a Golden-winged/Blue-winged Warbler mother and a Chestnut-sided Warbler father. Genetic analysis revealed the unique combination of traits, shedding light on bird's adaptability and genetic diversity.
Researchers have found that the unique bird species on Inaccessible Island has its origins in South America, rather than Africa or Asia. The birds likely arrived on the island via debris or flying, and over time evolved into a flightless species due to abundant food sources and predator-free habitats.
Research led by the University of Texas at Austin found that giant flightless birds had tiny brains processing vision, indicating a nocturnal lifestyle. The findings also revealed differences in olfactory bulbs between species, suggesting distinct habitats.
Research by Suzana Herculano-Houzel reveals that brain neurons play a crucial role in determining human lifespan and sexual maturity. The study found that the number of neurons in the cerebral cortex predicts around 75% of longevity variation across species, contradicting previous assumptions about human uniqueness.
Researchers found that New Caledonian crows can combine short parts to create novel functional tools, similar to early human tool manufacture. The birds' ability to anticipate object properties and solve complex problems is remarkable and sheds light on cognitive processes necessary for physical problem-solving.
New Caledonian crows demonstrate the ability to combine short components into novel functional tools, solving complex problems without assistance. This remarkable cognitive feat parallels human and ape behavior, highlighting the importance of planning and creative mental modeling.
A new songbird species, the Rote Leaf-Warbler, has been discovered on an Indonesian island through genomic analysis. The discovery highlights the island's conservation value due to its unique characteristics and threatened habitats.
A recent study found that invasive cattle forage grass, tall fescue, is associated with nest failure in dickcissels, small grassland birds. The researchers identified tall fescue as a key factor influencing nest survival, and suggested that removing the invasive species could benefit wildlife and people's livelihoods.
Researchers discovered that young male zebra finches activate connections between their social brain and song cortex when near a singing tutor, indicating the ideal teacher. The study found that this connection is essential for juvenile birds to copy and learn songs from suitable tutors.
A Cornell University study used eBird and survey data to model the Tricolored Blackbird population decline by over 33% in 10 years. The research provided crucial evidence for the State of California's Endangered Species Act protections, approved in April.
A joint study by University of Sheffield and National University of Singapore found that combined impacts of deforestation and wildlife trade on Sundaland bird species are underestimated, with 50-90 species at risk of extinction by 2100.
Researchers found that songbird couples sing more and perform elaborate dances when an audience is present, suggesting loyalty and bonding are crucial for maintaining long-term relationships. This study provides insights into complex communication signals in animals, including humans, that establish coupling relationships.
Bird feathers have been found to resist tearing due to a sophisticated cascaded slide-lock system, composed of flexible hooklets and spines. This discovery overturns centuries-old explanations and provides insight into the design of smart textiles.
A team of scientists discovered why brown tree snakes have become successful invasive species by studying their toxin and biology. The snakes' venom is 100 times more toxic to birds than mammals and was responsible for devastating native bird populations on Guam.
Researchers at ZSL's Institute of Zoology have reclassified the world's largest bird as a distinct species, Vorombe titan. The giant elephant birds, thought to be extinct for over 1000 years, had unexpected diversity across three genera and four distinct species.
A newly discovered extinct bird species, Jinguofortis perplexus, sheds light on early flight development and evolutionary variation. The fossil's unique traits, including a fused shoulder girdle, suggest different flying styles during the Cretaceous period.
Researchers estimate 4 billion birds migrate through the US each year, with an average return rate of 76% for short-distance migrants and 64% for long-distance migrants. The study reveals that tropical wintering species survive better than those in the US, despite longer migrations.
Scientists have discovered that humans arrived on Madagascar more than 6,000 years earlier than previously thought. Analysis of ancient bird bones found in the island reveals cut marks and depression fractures consistent with hunting and butchery by prehistoric humans.
A study at the University of Exeter found that larger garden birds, such as house sparrows and greenfinches, dominate access to better food sources like sunflower hearts. Smaller bird species like blue tits and coal tits face limited access to quality food, pecking quickly to make the most of their time.
A study published in Frontiers in Zoology found that traffic noise may contribute to aging in Zebra finches, with birds exposed after fledging having shorter telomeres. The researchers suggest that this period is critical for song learning and development, making birds more sensitive to noise.
A recent study published in PLOS ONE found that macaws use facial displays such as blushing and ruffling their head feathers to convey positive emotions during social interactions. The researchers observed that these behaviors were more common when the birds were interacting with humans, suggesting a form of visual communication.
Research reveals a 73% decrease in bird abundance and 45% drop in species diversity at nine sites surveyed on the Pajarito Plateau. The decline may signal early effects of drought, hotter temperatures, and bark beetle outbreaks on piñon pine trees.
Researchers at the University of Delaware discovered that plants emit scent cues when under attack by insects, recruiting birds to provide a food source while defending crops. The study used Play-Doh larvae and dispensers to replicate plant volatiles, finding that birds were attracted to these cues more strongly than to a control measure.
Zebra finches learn to distinguish between birdsongs using trial and error or observation. Trial-and-error methods are more robust for generalization, while observation is faster but less effective.
A study by the University of Kent found that large riparian reserves tend to support more bird species than nearby forests. The researchers discovered that a single river site can host around a third of all bird species found in adjacent forests, with wider protected areas supporting even more species.
The study found that 30% of bird species in the Mojave Desert have become less common and widespread over the past century. Birds adapted to desert environments fared better than those adapted to grasslands or forests, highlighting the need for conservation efforts to protect these populations.
A new study by the University of York found that dilute concentrations of Prozac make female starlings less attractive to males during courtship. The researchers discovered increased male aggression towards females receiving the medication, leading to a higher risk of mate failure and population decline.
A study reveals evidence of community collapse in Mojave birds, with 43% loss of previously documented bird species over the past century. Climate change, particularly decreased precipitation, is associated with the decline in Mojave birds, while surface water presence is linked to increased species richness.
Researchers found that fairy-wrens can learn to associate unfamiliar alarm calls with danger by listening to a chorus of familiar calls. This social learning allows birds to quickly adapt to new environments and may be relevant to conservation efforts.
Zebra finches partition hues from red to orange into two discrete categories, similar to human color perception. The birds' ability to distinguish between colors suggests a cognitive shortcut to reduce ambiguity in decision-making.
In a recent study, biologists found that great tits possess remarkable impulse control, beating 80% of attempts to access food in a test. This cognitive ability surpasses many other animals and is comparable to intelligent species like ravens and chimpanzees.
The world's insectivorous birds consume a significant amount of energy annually, estimated to be comparable to that of the city of New York. Forest birds play a crucial role in suppressing pest insects, with their annual food intake being around three-quarters of the global prey biomass gathered by insectivorous birds.
The OU research team developed high-resolution markers to differentiate between individual birds breeding in different Oklahoma populations and across the United States. This genetic analysis can help conservation efforts by identifying declining Painted Bunting populations and informing management strategies for the species.
A study by University of Lincoln found that young turtle doves fed on seeds from non-cultivated arable plants outsurvived those relying on human-provided seeds. The research suggests conservation strategies should include providing anthropogenic seeds for adults early in the breeding season.
Researchers found that American swamp sparrows accurately learn their songs 98% of the time, with a conformist bias strategy that filters out new song types. This leads to stable cultural traditions that can rival human customs in stability and longevity.
A new study finds that swamp sparrows create time-honored song traditions by faithfully copying the most popular songs, with some lasting hundreds of years. The birds' cultural conformity generates extremely stable traditions in their bird song, rivaling those of humans.
Researchers have shed new light on the previously known geographical range of the extinct Carolina parakeet, a species officially declared extinct in 1920. The study provides unprecedented information on the bird's range and offers a window into its past ecology.
In 684 nests studied over seven years, complete brood failure occurred in 13% of cases, often due to death by predation. Single parent males generally did poorly, while females were more successful and cared for the brood up to the point of disappearance
Researchers found that older males are more successful at siring illegitimate children, suggesting a biological effect rather than behavioral choice. The study suggests post-copulation mechanisms may be driving this phenomenon, with females potentially storing sperm internally and 'deciding' which to use for fertilization.
A nearly complete skeleton of a new extinct pheasant species from China preserves the oldest evidence of modified vocalization sounds. The fossil features an extremely long and coiled trachea, similar to those found in birds with louder, lower-frequency songs.
Researchers tracked a group of young storks as they migrated to Africa and Europe, finding that leader birds lead the way to thermals. The study reveals how flying skill affects wintering grounds, with flappy birds opting for shorter journeys.
A new study by San Francisco State University researchers finds that alarm-calling bird species promote the ability of other species to use risky parts of the forest, bringing together species that normally flock on their own. By creating a safe zone from predators, these birds maintain biodiversity in the rainforest.
Researchers from the University of Chicago and University of Nebraska discovered that Australian fairy-wrens can recognize individual birds from other species and form stable, positive relationships. This cooperation allows them to better defend their territories and share benefits such as increased foraging success and reduced vigilance.
A new study measures regional job creation due to native predators' regulating services, finding that American kestrels can save farmers up to $357 of cherries per dollar spent on nest boxes. Building these boxes is estimated to generate 46 to 50 jobs and over $2 million in increased revenue for Michigan's economy.
Researchers found that jackdaws respond to unique calls from fellow colony members and non-colony birds, but not female strangers. The size of the mob is influenced by caller characteristics and sex, highlighting individual bird discrimination.
A new universal formula for determining species is presented to address the issue of identifying distinct populations as separate or subspecies. The formula uses statistical tests to measure differences between non-co-occurring and co-occurring populations, providing a more objective approach to taxonomy.
Researchers warn that Alaska's songbird population may suffer significant losses if the invasive common cuckoo and oriental cuckoo expands its breeding range in the region. The cuckoos, known as brood parasites, lay their eggs in nests of other species, leading to the elimination of reproductive success for hosts.
A study published in Scientific Reports found that focusing solely on a species' rarity or economic impact can lead to an underestimation of its true value. Considering multiple values, such as cultural significance and economic importance, reveals that every species plays a crucial role in society.
American University researchers have identified the first gene of the germline-restricted chromosome (GRC) in the zebra finch, a crucial step in understanding sex determination in birds. The discovery of GRC α-SNAP, a SNAP family gene crucial to membrane fusion, suggests potential functions and directions for follow-up experiments.
Researchers found that malaria-carrying parasites, particularly Plasmodium, are more widespread due to their ability to infect multiple bird species. The study's findings suggest that geography and host evolutionary relationships play significant roles in shaping parasite diversity and distribution patterns.
A study published in Ecosphere found that native birds can successfully nest in non-native plants in altered ecosystems, challenging traditional views on habitat restoration. The research suggests that controlling non-native plants may not yield benefits for all nesting bird species.
A new study from the University of Illinois provides video evidence of parental infanticide in dickcissel birds, challenging existing assumptions about this phenomenon. The researchers observed a female parent removing her own chick from the nest, raising questions about the ecological and evolutionary implications.
A new bird-of-paradise species, Vogelkop Superb Bird-of-Paradise, has been confirmed due to its distinct dance movements and vocalizations. The species was found only in the far-western region of New Guinea.
Research by the University of Exeter and the British Trust for Ornithology found that people in crowded urban areas see fewer songbirds but more nuisance birds. In contrast, green and leafy suburbs have up to three and a half times more songbirds and woodpeckers, associated with positive human wellbeing.
Scientists are creating a comprehensive evolutionary tree of over 10,000 bird species using cutting-edge technologies and public data release. The OpenWings project will provide unparalleled insights into avian diversity and evolution.
Research reveals that green roof species arrive by hitching lifts on birds or riding air currents, underscoring the importance of adapting soil biology to these environments. The study recommends improving soil engineering to ensure long-term sustainability and encourages further research to connect green roofs to ground-level soils.
A recent study found that vertebrates are essential pollinators for many plants, including crops like dragon fruit and durian. The study revealed that the exclusion of bat pollinators resulted in an 83% drop in fruit production, highlighting the importance of these animals in plant reproduction.
A study published in PLOS ONE found that US National Parks are essential for bird conservation in a changing climate. By 2041-2070, the average park is expected to support 29% more species in winter and 6% more species in summer.
A study found that restoring Putah Creek in California increased the bird population by twice as much, with more common riparian birds visiting in increasing numbers. The restoration also improved the ecosystem's function and had benefits beyond the water's edge.