Cuckoos evolve to look like their hosts - and form new species in the process
Researchers found evidence of coevolution driving speciation in cuckoo species. Cuckoo chicks evolved to mimic host chicks to evade detection and exploit more hosts.
Wildlife
Articles tagged with Wildlife
Fatal attraction: When endangered species try to mate with domestic relatives, both wildlife and people lose
A new study highlights the human impacts of endangered species mating with domestic relatives, causing economic loss and death. Conservation efforts are also overlooked for marginalized pastoralist populations, who often lack effective defense against aggressive wild males.
The sweat bee, H. rubicundus, is less sociable in Scotland than in Cornwall, but is genetically differentiated and genetically isolated too
A study found that the sweat bee H. rubicundus is less sociable in Scotland than in Cornwall, exhibiting genetic differentiation and isolation. The authors explored this phenomenon in the context of the species' adaptability to extreme latitudes.
Wild megalopolis: Study shows unexpected pockets of biodiversity pepper Los Angeles
Researchers found isolated refuges in cities where species like wrentits, mourning doves, and gopher snakes thrive. Urban planning initiatives can support more biodiversity by creating habitat for species that avoid cities.
Constantly on the hunt for food: Harbor porpoises more vulnerable than previously thought to the disturbances from humans
Harbor porpoises spend up to 60% of their day hunting small fish to stay warm in cold waters. New research shows that this strategy makes them more vulnerable to noise from motor boats and disturbances from humans.
Parents of the year: Scavenging raptors lead a collaborative home
A two-year study on nesting behaviors of Chimango Caracaras reveals that pairs share most parental responsibilities, including incubation, brooding, and food deliveries. This collaborative approach allows the birds to adapt to unpredictable food sources, which is unique among raptor species.
SourceRaptor Research Foundation·JournalJournal of Raptor Research·TypeData/statistical analysis·DateMay 23, 2024
Endangered migrating eagles impacted by Ukraine war
A new study reveals how the Ukraine war affected migratory eagles' behavior, with altered routes, reduced refuelling sites usage, and longer migration times. Researchers found that the conflict events exposed the birds to artillery fire, soldiers, and displaced civilians.
SourceUniversity of East Anglia·JournalCurrent Biology·TypeData/statistical analysis·DateMay 20, 2024
The Ukraine war caused migrating eagles to deviate from their usual flight plan
Researchers tracked migrating eagles through an active conflict zone in Ukraine, finding they used stopover sites less and made large deviations from their usual routes. This study provides the first quantitative evidence that armed conflicts can impact animal behavior.
Furry thieves are running loose in a Maine forest, UMaine research shows
A UMaine graduate student's research found that small mammal personalities determine the effectiveness of pilferage in mice and voles. Deer mice were the most accomplished thieves, while individuals with lower body condition and female voles were more likely to pilfer.
An endemic island falcon that plays
Researchers discover Striated Caracaras' playful behavior, showing they interact with objects for fun and explore novel items. The study sheds light on how these birds learn about their environment and could provide insights into the evolution of play in nature.
Otters, especially females, use tools to survive a changing world
A study found that tool use among sea otters allows access to larger prey, reducing tooth damage. Female otters, which are more likely to use tools, can consume prey up to 35% harder than males.
Killer whales breathe just once between dives, study confirms
A new study has confirmed that killer whales take only one breath between dives, providing insights into their unique physiological habits. The researchers used drone footage and biological data from tags to gather information on the animals' habits, revealing that residents spend most of their time making shallow dives.
Parasitic worm likely playing role in decline of moose populations
Researchers have found that a parasitic worm, Eleaophora schneideri, is likely contributing to the decline of moose populations in some regions. The study found microfilariae scattered throughout the brains of infected animals, leading to potential increased morbidity and mortality.
Where wildlife is welcome
A recent study by TUM, University of Jena, and Vienna University of Technology shows that city residents generally accept most animal species in urban environments. The majority of birds, mammals, arthropods, lizards, and frogs are popular, while cockroaches, rats, wasps, slugs, and pigeons are less liked. Urban planning can balance hu...
SourceTechnical University of Munich (TUM)·JournalJournal of Urban Ecology·TypeExperimental study·DateMay 8, 2024
In South Africa, tiny primates could struggle to adapt to climate change
A new study by University of Colorado Boulder primatologist Michelle Sauther found that smaller animals like the lesser galago face extra challenges adapting to climate change. The research highlights the importance of protecting these small and nocturnal species, which are often overlooked in conservation efforts.
Unraveling isopods' culinary secrets and why it matters for ecosystems
Desert isopods rigorously regulate their intake of macronutrients and calcium, preferring biological soil crust over plant litter. The research highlights the crucial role of ingested microorganisms in facilitating digestion and growth.
SourceThe Hebrew University of Jerusalem·JournalEcology Letters·TypeExperimental study·DateMay 6, 2024
Zoology: First report of wound treatment by a wild animal using a medicinal plant
A Sumatran orangutan observed applying chewed Akar Kuning leaves to a facial wound, leading researchers to investigate the plant's potential healing properties. Rakus' treatment of his own injury may indicate an intentional behavior shared with humans and great apes.
Orangutan treats wound with pain-relieving plant
A male Sumatran orangutan applied sap from a climbing plant with anti-inflammatory and pain-relieving properties to a facial wound, closing it within five days. This self-medication behavior may have originated in a common ancestor shared by humans and orangutans.
Identifying risks of human flea infestations in plague-endemic areas of Madagascar
A study found that households with traditional dirt floors and animals indoors have higher human flea populations, increasing disease risk. Upgrading flooring to concrete or board can help reduce flea infestations and improve quality of life.
SourceEmory University·JournalPLOS Neglected Tropical Diseases·TypeData/statistical analysis·DateMay 1, 2024
Low-intensity grazing is locally better for biodiversity but challenging for land users, a new study shows
A new study found that low-intensity grazing systems offer benefits for local biodiversity protection, but struggle due to inflexible regulations and a lack of workforce. Land users face economic constraints and restrictive policies, leading to declining participation in sustainable practices.
SourceGerman Centre for Integrative Biodiversity Research (iDiv) Halle-Jena-Leipzig·JournalLand Use Policy·TypeCase study·DateApr 30, 2024
Data scarcity challenges identification of endocrine disruptors
Researchers found widespread data gaps on environmental effects, emphasizing the need for updated information requirements in REACH legislation. They propose utilizing cross-species knowledge and grouping substances to increase understanding.
How evolution has optimized the magnetic sensor in birds
Researchers analyzed genomes of 363 bird species and found significant variations in cryptochrome 4 gene, indicating adaptation to environmental conditions. This specialization could be related to magnetoreception in migratory birds.
SourceUniversity of Oldenburg·JournalProceedings of the Royal Society B Biological Sciences·TypeData/statistical analysis·DateApr 24, 2024
Early trauma cuts life short for squirrels, and climate change could make matters worse
A new study led by the University of Arizona finds that early-life struggles can cut adult lifespan in red squirrels by at least 14%, but a natural food boom may buffer against these effects. The researchers suggest that climate change could disrupt this dynamic, potentially affecting animal resilience.
SourceUniversity of Arizona·JournalProceedings of the Royal Society B Biological Sciences·TypeObservational study·DateApr 24, 2024
Storks fly with a little help from their friends
A study from the Max Planck Institute found that storks choose routes with high densities of other storks, especially for young birds. As they gain migration experience, their preference decreases, suggesting a shift towards independence.
The impact of ketogenic diets on cognitive behavior, motor function, and blood lipids
Researchers found that ketogenic diets reduced plasma levels of total Tau in females, mitigated elevations in plasma lipids, and improved circulating lipids. However, neither continuous nor intermittent ketogenic diets improved measures of cognitive or motor behavior in the TgF344-AD rat model.
Island bats are valuable allies for farmers
A new study reveals that three island bat species feed on over 40% of agricultural pests, including banana moths and turnip moths. This finding highlights the importance of bats in maintaining ecosystem balance and suggests that encouraging these mammals can be a win-win for conservation and local farmers.
Iconic savanna mammals face genetic problems due to fences and roads
A new study reveals that wildebeest populations which no longer migrate are less genetically healthy and more prone to decline. The loss of migration routes due to fencing and roads leads to lower genetic diversity, increased inbreeding, and reduced fertility.
New project explores warfare in animal societies
A new project investigates how and why groups of animals fight each other, with implications for human evolution. The study focuses on warlike species like mongooses and termites to understand the factors that lead to extreme aggression and peace.
Peregrine falcons expose lasting harms of flame retardant use
Researchers found high concentrations of polybrominated diphenyl ethers (PBDEs) in peregrine falcon eggs across North America, indicating long-term exposure to phased-out flame retardants. The study highlights the persistence of flame retardant pollution in wildlife and potential health risks for humans.
System uses artificial intelligence to detect wild animals on roads and avoid accidents
A team of researchers developed an AI-powered computer vision model to detect Brazilian wild animals on roads and warn drivers in real-time. The system uses roadside cameras and portable computers to identify species such as anteaters, wolves, and tapirs, with the potential to save lives and reduce roadkill.
SourceFundação de Amparo à Pesquisa do Estado de São Paulo·JournalScientific Reports·DateApr 9, 2024
Rusty-patched bumblebee’s struggle for survival found in its genes
The study revealed three genetically distinct populations of rusty-patched bumblebees, highlighting the need for tailored conservation efforts. The analysis showed low colony abundance and high rates of inbreeding, threatening the long-term viability of the species.
SourceColorado State University·JournalJournal of Insect Science·TypeObservational study·DateApr 4, 2024
More social birds are more adventurous feeders, study finds
Research at the University of Oxford discovered that socially connected great tit birds are more likely to use new foods, consuming twice as much novel food as less sociable individuals. This trend suggests that social birds expand their diets to mitigate competition costs, not increased exploratory behavior.
The mother's protein intake affects the newborn's face
Research at the University of Gothenburg reveals a link between maternal protein intake during pregnancy and the formation of facial bone structures in offspring. The study found that a particular signaling pathway, mTOR, plays a crucial role in shaping the face.
Canada lynx historic range in US likely wider than previously thought
A recent study suggests that Canada lynx had a broader past range in the US, potentially including parts of Utah, central Idaho, and Yellowstone National Park. The researchers used a validated model to estimate the species' historic distribution, taking into account factors such as climate change and land use.
Small birds spice up the already diverse diet of spotted hyenas in Namibia
Scientists from the Leibniz Institute for Zoo and Wildlife Research observed spotted hyenas chasing and devouring flying birds at a waterhole in Namibia. They found that a single hyena can catch one bird every three minutes, adding to the known variety of their diet and hunting tactics.
SourceLeibniz Institute for Zoo and Wildlife Research (IZW)·JournalFood Webs·TypeObservational study·DateMar 28, 2024
Discovering Van Gogh in the wild: scientists unveil a new gecko species
A team of scientists has unveiled a new gecko species, Cnemaspis vangoghi, named after Vincent Van Gogh's iconic painting The Starry Night. The species was discovered in the Southern Western Ghats of India and features striking colouration reminiscent of one of the artist's most famous works.
Virginia Tech study considers ways to increase accessibility for all wildlife enthusiasts
Researchers found that birders with disabilities face constraints such as lack of accessible features and safety concerns, but also expressed interest in access to high-quality birding locations and information. The study aims to promote broader social inclusion for people with disabilities through wildlife recreation.
Two coral snakes recorded battling for prey in a scientific first
Two Micrurus mipartitus coral snakes have been observed battling for a caecilian in the dense rainforests of western Colombia, showcasing a rare example of kleptoparasitism among Elapidae family members. The study highlights the elusive nature of these reptiles and challenges of observing them in their natural habitats.
New roadmap to prevent pandemics centers on protecting biodiversity
The study emphasizes the need for international cooperation to implement ecological interventions, such as protecting food sources and natural habitats, to prevent pathogen spillover. By conserving biodiversity, bats can be less stressed, reducing their shedding of viruses that can infect humans.
Wild bird gestures “after you”
Researchers at the University of Tokyo discovered that Japanese tit birds use wing movements as a symbolic gesture to communicate with their mates, mirroring human-like behavior. The study found that the birds' wing-fluttering display prompted the mate to enter the nest box first, while the one who fluttered entered second.
Researchers carry out first peer-reviewed study of fecal microbiota transplants in dolphins
Researchers successfully carried out pioneering fecal microbiota transplantations on Navy bottlenose dolphins, showing significant improvement and increased microbial diversity. The study's findings have important implications for marine mammal medicine, highlighting a non-antibiotic option to treat gastrointestinal diseases.
Global wildlife study during COVID-19 shows rural animals are more sensitive to human activity
A global wildlife study during COVID-19 lockdowns found that animal responses to humans varied by landscape conditions and trophic group. Herbivores became more active around humans, while carnivores tended to avoid them.
SourceUniversity of British Columbia·JournalNature Ecology & Evolution·TypeObservational study·DateMar 18, 2024
Animal hair structure changes from summer to winter to fend off freezing weather
Researchers discovered that wild animal hair undergoes seasonal changes to insulate against extreme temperatures. The inner microscopic details of the hairs change, allowing animals to survive in their environment.
New study shows how AI can help us better understand global threats to wildlife
A new AI-powered study reveals the global extent of threats to bats from hunting and trade, using online records from social media platforms. The research identifies 22 new countries involved in bat exploitation, covering regions such as Bahrain, Spain, and Sri Lanka.
SourceUniversity of Sussex·JournalConservation Biology·TypeData/statistical analysis·DateMar 13, 2024
New publication highlights urgency of parasitic wasp release to save native bird
Researchers propose releasing a parasitic wasp to control an invasive avian vampire fly threatening Darwin's finches on the Galapagos Islands. The study found only two native fly species, emphasizing the urgent need to protect these native species alongside the iconic birds.
Breakthrough discovery will improve medical monitoring, preventive care for elephants
Researchers at San Diego Zoo Wildlife Alliance have made a groundbreaking discovery that establishes individual baseline values for African elephant blood cell counts, enabling earlier detection and intervention of clinical EEHV infection. This study provides a tool for elephant care facilities to improve preventive medicine and lifesa...
SourceSan Diego Zoo Wildlife Alliance·JournalJournal of Zoo and Wildlife Medicine·TypeExperimental study·DateMar 5, 2024
Rare case of opossum infected by rabies sounds alarm regarding circulation of this virus in urban environments
A rare case of an opossum infected with rabies has been reported in Brazil, highlighting the risk of virus transmission to humans. The study found that dogs can act as vectors for the virus and that opossums are key to surveillance in urban environments.
SourceFundação de Amparo à Pesquisa do Estado de São Paulo·JournalEmerging Infectious Diseases·DateFeb 16, 2024
Reforestation programs could threaten vast area of tropical grasslands
A new study by the University of Liverpool warns that reforestation initiatives can harm wildlife and ecosystems if not done properly. The research highlights issues with tree-planting in non-forest systems, such as savannas and grasslands, which are under threat from increased tree cover.
Trail cameras track ‘critically low’ New York bobcat population
A recent study published in Biological Conservation reveals that NY bobcat populations remain critically low, with occupancies below detectable limits. Researchers used trail cameras to monitor wildlife populations in central and western NY state, tracking white-tailed deer, red fox, coyote, eastern wild turkey, and gray fox numbers.
Global study: Wild megafauna shape ecosystem properties
A global meta-analysis of six continents reveals that large wild herbivores have a significant impact on ecosystems, promoting biodiversity and ecosystem variability. The study found that megafauna communities with larger herbivores tend to have positive effects on local plant diversity, while smaller species communities decrease it.
In the Cerrado, crop diversification has beneficial effects on wildlife and reduces the presence of boars
A study found that crop diversification in the Cerrado biome leads to increased numbers of native mammals and a decrease in invasive species such as wild boars. Diversified crops helped control invasive species that cause damage to farmers.
SourceFundação de Amparo à Pesquisa do Estado de São Paulo·JournalJournal of Applied Ecology·DateFeb 9, 2024
Surprise discovery of tiny insect-killing worm
Scientists at UC Riverside have discovered a tiny worm species that can control crop pests in warm, humid environments. The new Steinernema adamsi nematode is nearly invisible and can kill insects with a low dose, making it a potential alternative to pesticides.
Scammed! Animals ‘led by the nose’ to leave plants alone
Researchers at the University of Sydney have developed a method to shield plants from herbivorous mammals by fooling them with artificial odors, mimicking plants they naturally avoid. This approach is more humane and low-cost than current methods, and shows promise for protecting valuable plants globally.
New study suggests culling animals who ‘don’t belong’ can be a flawed nature conservation practice
A new study published in Science found that eradicating non-native animals to protect plant species can be a flawed practice, costing millions and slaughtering healthy wild animals. The research compared the effects of native and introduced large herbivores on plant communities, finding no significant differences.
First-ever sighting of a live newborn great white
Wildlife filmmaker Carlos Gauna and UC Riverside student Phillip Sternes observed a 5-foot-long pure-white shark pup shedding its embryonic layer. The location off central California's coast is proposed as a potential great white breeding ground, which could help protect endangered species.
New research into hedgehogs injured by robotic lawn mowers discovers a significant but solvable animal welfare and conservation problem
A study of 370 documented cases found that almost half of hedgehogs injured by electric gardening tools did not survive. The data also show a growing conservation problem due to declining hedgehog populations in Germany.
SourceLeibniz Institute for Zoo and Wildlife Research (IZW)·JournalAnimals·TypeData/statistical analysis·DateJan 23, 2024
New publication describes findings on cat evolution, to aid in future disease studies
Researchers have uncovered novel perspectives on domestic and wild cat evolution through the use of cutting-edge genome sequencing and assembly technologies. The study highlights distinct genetic changes that will aid in future disease studies and provide crucial information for those studying feline diseases, behavior, and conservation.
Wolves and elk are (mostly) welcome back in Poland and Germany’s Oder Delta region, survey shows
A study published in People and Nature found that large parts of the participants supported the return of wolves and elk to the Oder Delta region, with a strong appetite for rewilding initiatives. Locals, however, showed mixed feelings, with some reservations about the presence of large carnivores like wolves.
SourceGerman Centre for Integrative Biodiversity Research (iDiv) Halle-Jena-Leipzig·JournalPeople and Nature·TypeSurvey·DateJan 22, 2024
Rain can spoil a wolf spider’s day, too
Researchers found that wolf spiders can't easily signal others or perceive danger from predators on rain-soaked leaves compared to dry ones. Male spiders use visual and vibratory signals for courtship, but vibrations are better received in dry leaves.
SourceUniversity of Cincinnati·JournalJournal of Insect Behavior·TypeObservational study·DateJan 17, 2024
Climate change spells disaster for termite-loving numbats
A study using infrared cameras found that high air and ground temperatures limit numbats' ability to forage in the sun, forcing them to retreat to the shade. Climate change may also make the shade too hot for numbats to survive.
SourceThe Company of Biologists·JournalJournal of Experimental Biology·TypeExperimental study·DateJan 11, 2024