Unique voice print in parrots
Researchers discovered that monk parakeets possess a unique tone of voice, known as a voice print, similar to humans. This finding raises the possibility that other vocally flexible species may also have a voice print.
Wildlife
Articles tagged with Wildlife
A few essential genetic differences tailor flowers to bee or hummingbird pollinators
A study published in PLOS Biology identifies key genetic loci that distinguish Penstemon species with flowers adapted to different pollinators. The research reveals surprisingly few genetic differences between species with different pollination syndromes, suggesting strong selection to maintain flower traits.
Decreasing biodiversity may promote spread of viruses
A study by Charité and Leibniz-IZW found that reducing biodiversity in rainforests leads to an increase in virus prevalence among mosquito species. This is because resilient species thrive in disturbed habitats, carrying viruses with them. The research reveals the importance of biodiversity in understanding infectious disease dynamics.
EWG study: Humans serve as sentinels for ‘forever chemicals’ harm to wildlife health
A new EWG study reveals that humans can serve as sentinels for understanding the impact of toxic PFAS on wildlife health. The study's findings show that over 625 species, including fish, birds, and mammals, are contaminated with PFAS, highlighting the need to tackle these persistent chemicals.
Double trouble: Infamous “eagle killer” bacterium produces not one, but two toxins
A team of scientists has discovered a second toxin produced by the cyanobacterium Aetokthonos hydrillicola, which is highly toxic and similar to substances used in cancer treatment. The findings could lead to the development of new anti-cancer drugs.
Texas A&M researchers show endangered parrot species is thriving in urban areas
A Texas A&M research team found that a population of endangered red-crowned parrots is thriving in urban areas, with four main roosts in the Rio Grande Valley. The parrots' adaptability to human environments and lack of competition for food sources make them an unusual example of a species doing well in urban areas.
Researchers reveal novel AI-based camera alert system to promote coexistence between tigers and humans
Researchers have developed an AI-based camera alert system to detect endangered species like tigers and elephants. The TrailGuard AI system transmits images to park managers in real-time, enabling rapid responses to poachers or human-tiger conflicts.
Clever lapwings use cover to hide in plain sight
Research shows that lapwings can hide their eggs by using small variations in the terrain, making them invisible to ground predators. The study found that habitat geometry rather than visual acuity limits the visibility of a ground-nesting bird's clutch to terrestrial predators.
A trained detection dog found sea turtle nests in Florida more accurately and efficiently than humans, indicating potential for dog-assisted nest monitoring
A trained detection dog was found to be more accurate and efficient than humans in detecting sea turtle nests in Florida. The study indicates the potential of using dogs for nest monitoring, which could improve conservation efforts for three sea turtle species.
Deadly frog disease more prevalent in central Florida than expected, UCF study finds
A new study found that a deadly frog disease, Perkinsea, is more widespread in Central Florida than expected, infecting over a third of sampled frogs. The disease is linked to cooler temperatures and higher precipitation, posing a concern for threatened species like the gopher frog.
Movement sensors can detect disease in wild boar
Accelerometer sensors can detect sickness behavior in wild boar, allowing for early detection of African Swine Fever. The study found that infected boars were 10-20% less active daily than healthy ones, making this technology a potential tool for disease control and prevention.
Jackdaws switch friends to gain food – but stick with family
Researchers found that wild jackdaws strategically switch friends to get mealworm rewards, but stick with offspring, siblings, and mating partners. The study provides new insights into how animals manage social relationships and how societies emerge from individual decisions.
Lions on the brink – New analysis reveals the differing threats to African lion populations
African lion populations are declining due to various threats including habitat loss, prey depletion, and human-wildlife conflict. A new study reveals the importance of considering both ecological and socio-political factors in conservation strategies.
New method enables efficient isolation of raccoon-borne food poisoning pathogen
A new method enables efficient isolation of raccoon-borne Escherichia albertii from fecal samples, providing insights into its epidemiology and facilitating improved control of food poisoning. The developed culture medium selectively promotes the growth of E. albertii at a rate of up to 48%.
Disease affects blackbirds more than previously thought
A new study by Lund University reveals that disease affects blackbirds for three weeks, rather than just a day or two. The simulated bacterial infection stimulates the birds' immune system, causing them to stop their activities earlier in the evenings and have reduced daily activity periods.
Hungarian researchers reveal the complex society of wild horses by drones
Researchers used drones to track Przewalski's horses and found a complex, multilevel social structure similar to human societies. The herd's movements revealed kinship-based relationships and familiarity between animals, with mare-mare bonds playing a significant role in harem formation.
Human shoulders and elbows first evolved as brakes for climbing apes
A study by Dartmouth researchers reveals that human shoulders and elbows evolved to facilitate 'downclimbing' - the process of descending from trees without dying. This adaptation allowed early humans to navigate their environment safely, gathering food and deploying tools for hunting and defense.
Large herbivores keep invasive plants at bay
A new study shows that large herbivores can protect local nature by eating and trampling on invasive plant species. Native plants have evolved to withstand the treatment of these herbivores, while invasive plants usually cannot.
Study connects greenhouse gas emissions to polar bear population declines, enabling greater protections under Endangered Species Act
A new study from the University of Washington and Polar Bears International reveals a direct link between cumulative greenhouse gas emissions and polar bear demographic changes. The study shows that reducing greenhouse gas emissions can help protect polar bears, with implications beyond just this species.
Nuclear weapons tests are unappreciated source of radioactivity in German wild boars
Researchers found that nuclear weapon fallout from 60 to 80 years ago also contributes to the persistent radioactivity in German wild boars. The team measured cesium-137 levels and compared them to cesium-135 using a mass spectrometer, finding that nuclear weapons testing supplied between 10 and 68% of the contamination.
Want to fight climate change? Don’t poach gorillas (or elephants, hornbills, toucans, etc.)
A new study by WCS found that overhunting of fruit-eating mammals and birds can lead to a shift in forest composition, resulting in lower carbon storage. The loss of these species changes the ecosystem, making it more challenging for forests to sequester and store carbon.
COVID-19 virus is evolving rapidly in white-tailed deer
Researchers found that white-tailed deer are virus reservoirs, promoting ongoing mutation of the SARS-CoV-2 virus. At least 30 infections were introduced by humans, and an estimated 23.5% of deer had been infected at one time or another.
What’s the best way to prevent tuberculosis transmission from wildlife to cattle?
Researchers analyzed data from 31 studies and found that cattle face a higher risk of getting tuberculosis from wildlife through indirect interactions. Indirect interaction rates were 154 times higher than direct interaction rates.
Birds living at UCLA were less afraid of humans after the pandemic closure
Researchers found that birds allowed people to get much closer than expected, with an average distance of just 39 inches, suggesting a significant decrease in fear response. The study's findings challenge existing theories on bird behavior and may offer hope for North American bird populations threatened by human disturbances.
City-living may make male song sparrows more doting ‘super’ fathers
City-living male song sparrows exhibit increased parental care and reduced nest predation rates, contradicting the notion that urbanization leads to decreased parental investment. Urban males also begin feeding nestlings earlier in the day, indicating a more attentive parenting style.
Invasive orange pore fungus wins third BMC Ecology and Evolution image competition
The invasive orange pore fungus has won the third BMC Ecology and Evolution image competition, highlighting its potential threats to Australian ecosystems. The winning image depicts bright orange fruiting bodies growing on deadwood in the Australian rainforest.
It’s not just humans: City life is stressful for coyotes, too
A study by Ohio State University found that urban coyote cortisol levels are higher than those in suburban or natural areas. Chronic stress is also linked to poor physical condition, such as mange infection, and the responsibility of running a pack, with alpha individuals experiencing high stress levels.
Gray wolf recovery is a success—is that a problem?
The recovery of gray wolf populations in the United States has been broadly successful over the past 30 years, with many regions now sporting robust populations. However, these growing populations face significant threats, including fragmented habitats, barriers to dispersal, and increased encounters with humans, pets, and livestock.
Urban great tits have paler plumage than their forest-living relatives
A study found that urban great tits have paler plumage than their forest-living counterparts due to inadequate carotenoid intake from city diets. Researchers suggest planting native trees and plants can help provide a healthy diet for these birds.
Nauseous territory: outfoxing predators using baits that make them barf
A team of international researchers have successfully conditioned red foxes to avoid native prey by associating it with nauseous chemicals. The study, published in Conservation Science and Practice, used levamisole to induce nausea and vomiting in the predators. By hiding the taste and smell of the chemical, the researchers were able t...
Curious kids
A study led by Max-Planck-Gesellschaft researchers uncovered the conditions that trigger curiosity in wild orangutans, including social and environmental factors. Young orangutans were more likely to observe and approach novel objects, while the presence of association partners increased their curiosity.
Critically endangered vulture shows signs of reproductive resilience in Nepal
A new study published in the Journal of Raptor Research found that two colonies of white-rumped vultures in Nepal demonstrated stable reproductive rates over an 11-year period. The number of occupied nests and productivity appeared to be stable, indicating a potential turning point for the critically endangered species.
Booster shot being developed to avoid recapturing koalas to fight Chlamydia disease
QUT researchers have created a booster vaccine using implant technology to protect wild koalas from Chlamydia disease. The new device allows for in-the-field vaccination without recapturing the animals, reducing human interference and increasing vaccination efficiency.
Stealth swimmers: The fish that hide behind others to hunt
A new study reveals that trumpetfish can conceal themselves by swimming closely behind another fish while hunting, reducing the likelihood of detection. This unique strategy, known as 'shadowing', uses a non-threatening species of fish as camouflage to approach prey.
Study reveals successful strategies for removing invasive caimans from Florida Everglades
Scientists successfully removed invasive spectacled caimans from specific areas of the Everglades, reducing competition with native alligators and crocodiles. The efforts demonstrate early detection, rapid response, and persistent removal can effectively control invasive species, with implications for other invasive species management.
Scientists vacuum animal DNA from air in a Danish forest
Researchers at the University of Copenhagen used a new method to collect airborne DNA particles and found evidence of 64 different animal species in a single football field-sized area. The findings suggest that this technique could be a valuable tool for monitoring biodiversity and tracking the spread of diseases.
Genetic study reveals that a captive-bred population could save endangered crocodile from extinction
A genetic study has found that a captive-bred population of the Orinoco crocodile, one of the world's most endangered species, possesses sufficient genetic diversity and is suitable for reintroduction efforts. The Colombian government can use this research to initiate new populations in areas where the species has been depleted.
Male crickets court females in unison – unless rivals get too close
In a study published in Animal Behaviour, researchers found that male field crickets adjust their song patterns based on the proximity of rivals. When another cricket is within one meter, males are less likely to sing, suggesting they prioritize territorial defense over courtship displays.
Bats struggle during organic farming transition
Research shows bat activity decreases when farms switch to organic agriculture, with a potential time-lag before benefits for the environment emerge. The findings suggest that organic farming can have detrimental effects during the transition period, highlighting the need for careful management.
Hidden cameras spot wildlife returning home after 2018 megafire
A recent study analyzing camera trap images found six wildlife species, including coyote and gray fox, to be remarkably resistant to the Mendocino Complex Fire's impacts. Small patches of tree cover spared by the fire provided a refuge for these animals, allowing them to recover and even spread back into burned areas.
Timing of turkey nesting may not shift with changing climate
Researchers tracked eastern wild turkey nesting in five southern U.S. states over eight years, finding slight changes in nest timing linked to temperature and rainfall. However, these shifts were minimal and less than three hours, suggesting turkeys may be inflexible in their reproductive activities.
Ice Age saber-tooth cats and dire wolves suffered from diseased joints
Researchers found osteochondrosis dissecans in fossil bones of Ice Age predators, with an incidence as high as 7% in shoulder and knee joints. The study suggests dwindling populations may have contributed to the disease's prevalence in these ancient species.
More than 900 at-risk animal and plant species not covered by global trade protections, new research shows
A new study identifies hundreds of at-risk animal and plant species without corresponding protection from international trade. The list includes Endangered and Critically Endangered animals and plants, such as shark and ray species, palm species, and songbird species.
New study is first to find exposure to neurotoxic rodenticide bromethalin in birds of prey
A recent study by Tufts Wildlife Clinic found that approximately 30% of hawks and owls were positive for exposure to neurotoxic rodenticide bromethalin. This discovery expands upon the previous research on anticoagulant rodenticides, which showed that all red-tailed hawks tested were positive for ARs.
Southernmost crocodile newt record is a threatened new species
The Ngoc Linh Crocodile Newt is a newly discovered species of crocodile newt found in the Central Highlands of Vietnam. The species is considered Endangered due to its small population size and limited geographic range.
Policymakers should consider animal welfare in decisions
Rutgers researchers argue that animal welfare is often ignored in policymaking, despite its relevance across various domains. New tools aim to integrate animal welfare into decision-making, enabling policymakers to assess the impacts of policies on both humans and animals.
Number cruncher calculates whether whales are acting weirdly
A mathematical approach using statistical methods can estimate when whales like narwhals and bowhead whales will return to their natural behaviour after being tagged. This method allows researchers to avoid discarding too much or too little data, reducing the risk of interfering with research results or animal welfare.
Species lump for the Western Flycatcher; species status for the goshawk of North America; and species splits in several Caribbean birds among 2023 Check-list changes
The AOS released its 64th Supplement to the Check-list of North American Birds, including species lumps for the Western Flycatcher and Caribbean birds, as well as a species split for the Northern Goshawk. Five additional bird species were recognized in the Caribbean due to revised classification.
Stressed rattlesnakes found to calm down in the company of a nearby ‘friend’
Researchers have discovered that rattlesnakes can modulate each other's stress responses when in the presence of a companion, similar to human behavior. This phenomenon, known as social buffering, was observed in wild-caught snakes in Southern California and persisted even after hibernation or mating.
Study results show lead hunting ammunition hinders bald eagle recovery, resiliency
A new study published in Wildlife Society Bulletin reveals that lead exposure from hunting ammunition is sickening and killing bald eagles, making them more susceptible to other dangers. The research, funded by Morris Animal Foundation, used innovative modeling tools to demonstrate the impact of lead poisoning on eagle populations.
American mink regrow their brains in a rare reversal of the domestication process
A study by Max Planck Institute of Animal Behavior found that American mink can regain almost full ancestral brain size within 50 generations after escaping captivity. This reverses the long-held assumption that domestication causes permanent brain size loss in animals.
Children’s nature drawings reveal a focus on mammals and birds
UK schoolchildren aged 7-11 drew mammals and birds most commonly, with reptiles and amphibians appearing less frequently. The study suggests children's perceptions of local wildlife are skewed towards mammals and birds, hinting at a wider problem of nature disconnect.
Similar to humans, elephants also vary what they eat for dinner every night
A new study reveals that elephants' dietary habits are more varied than previously thought, with individual preferences playing a significant role. The research used DNA metabarcoding to analyze fecal and hair samples from two groups of elephants in Kenya, finding that even family members may eat different plants on the same day.
Plants pollinated by honey bees produce lower-quality offspring
Research from University of California San Diego scientists found that honey bee pollination results in inferior quality plant offspring compared to native bees. The study revealed that honey bees visit twice as many flowers per plant before moving to the next, leading to higher levels of self-pollination and lower-quality offspring.
Prisoners ‘trading rare jaguar parts for fashion items’
Researchers uncovered a deadly trade where Bolivian prisoners sell jaguar skins and body parts to produce wallets and other fashion items. The illegal market poses significant threats to jaguar conservation despite international protection since 1975 and national protection in Bolivia since 1986.
Skin disease in endangered killer whales concerns scientists
Researchers observed a steady increase in skin disease among southern resident killer whales from 2004 to 2016. The study suggests that the most plausible explanation is an infectious agent, potentially reflecting a decrease in immune system ability to combat disease. This could pose a significant threat to the health of the population.
Monitoring British bats can help identify coronaviruses with pathogen potential
Researchers have identified four species of coronaviruses in UK bats, including two novel ones, which are related to COVID-19 and MERS viruses. Regular monitoring of wildlife viruses is crucial for public health preparedness and biodiversity conservation.
Study finds human impact on wildlife even in protected areas
A large-scale camera-trap survey reveals that tropical mammals living inside protected areas are not spared the effects of human activity, with specialist species thriving near low-density habitats and generalist species benefiting from diverse environments. The study informs biodiversity policy and highlights the importance of conside...
Virginia Tech study reveals reason hellbenders are disappearing
A Virginia Tech study found that hellbender fathers are more likely to eat their eggs in deforested areas, leading to a drastic increase in filial cannibalism. The research suggests that protecting and re-establishing forest cover around streams is crucial for the species' survival.
Hyenas inherit power from mothers, but it’s a privilege they pay dearly for
A study found that every member of a hyena clan, except the highest-ranking queen, suffers downward mobility across their lifetime due to demographic processes. Hyenas can move up and down in the hierarchy over time, but they slide down more often than jumping up.