Articles tagged with Zoo Animals
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Bats must find a compromise between energy consumption and efficient echolocation, as louder calls increase energy expenditure. High-intensity echolocation calls are costly and require significant additional muscle activity, particularly above 130 dB.
A new paper identifies urgent issues to consider, including potential animal-to-human transmission, food security concerns, and national security threats if military service dogs are infected. Stringent studies are needed to understand the risks posed by domestic animals as a possible source for human infection.
A recent study found that 42% of zoo animals were infected with the Toxoplasma gondii parasite, posing a conservation risk to certain endangered species. The study suggests that zoos take preventative measures to limit the spread of the parasite.
A pilot study by the University of South Australia has successfully recorded heart and breathing signals from nine species of Adelaide Zoo's animals using high-resolution digital cameras. The technique allows for remote monitoring of wild animals, potentially leading to earlier detection of illness and reduced vet visits.
A new study finds that zoos with large, iconic animals like rhinos and tigers tend to have higher attendance and contribute more to conservation funding. However, the research also suggests that zoos can increase conservation impact by diversifying their species collections.
A study by Trinity College Dublin reveals that zoos with diverse animal collections, especially mammals, and large animals like elephants and tigers, attract more visitors. Higher attendance leads to increased conservation contributions in the wild.
A new Stanford study finds that analyzing DNA in soil can identify nearly every animal present in an area, including rare species, with high accuracy. The technique also distinguishes between similar-looking animals and has potential to reveal previously unknown species diversity.
A recent study analyzed the gut microbiomes of over 900 species, revealing that birds and bats have surprisingly similar gut bacteria, contrary to expectations. The researchers believe that flying may be the reason for this unique relationship, as it would allow animals to allocate resources more efficiently.
Researchers found that Germany benefits from intangible ecosystem services in particularly threatened ecosystems in poor regions. The study identified the top six birds in Germany, with nearly 60% of species spending at least part of their lives in distant countries.
A new national analysis in Japan highlights the potential of entertainment-conservation partnerships to increase public interest in wildlife. The research found that animated shows with animal characters can boost donations to zoo conservation programs, with Kemono Friends being a notable example of its positive impact on public interest.
Research on zoo animals reveals a bias towards 'popular' mammal species, such as chimpanzees, with globally more fish and birds in zoos. The study suggests that zoos offer unique opportunities to study underrepresented species, contributing valuable insights into animal health, conservation, and welfare.
Scientists at UMass Amherst and Perth Zoo have created the world's first accurate, publicly available 3D model of the endangered Southern white rhino. The model will be used for conservation efforts and educational purposes, providing a powerful tool to assess an animal's body condition in the field.
An international team of scientists analyzed over 10,000 climate change studies and found that birds and other animals cannot adapt quickly enough to keep pace with climate change. This mismatch between the timing of biological events and the availability of food resources poses a significant threat to species survival.
A recent study published in Nature Communications found that animals' responses to climate change are insufficient to cope with rising temperatures. The analysis of over 10,000 studies suggests that even common and abundant species struggle to adjust their traits in time.
Researchers analyzed blood samples from 21 animals to identify biomarkers for diseases like lung tumors and Alzheimer's. These biomarkers are evolutionarily conserved, meaning they occur in humans and other species with similar function.
A study by Jean-Michel Hatt and his team reveals that the stomach's rinsing system effectively removes abrasive particles, including dust and sand, from ruminant food. This mechanism helps prevent excessive tooth wear and allows animals to thrive in dusty environments.
A study published in Global Ecology and Conservation highlights the importance of incorporating animal social structure into conservation plans. By analyzing individual animal social interactions before, during, and after human intervention, wildlife managers can increase post-translocation success rates.
A large-scale study has investigated the composition of microorganisms in the digestive tract of animals, revealing evolutionary relationships between host species and their gut microbiomes. The study found that closely related species share similar microbial communities, while diet also plays a significant role in shaping the gut micr...
A new study reveals that petting zoos can harbor highly virulent, drug-resistant bacteria that can be transmitted to visitors, mostly children. The study found that animals in petting zoos are a potential source of shedding these pathogens, which can cause serious illnesses.
Researchers found that a migratory bat species uses the sunset direction to navigate, contradicting previous assumptions that echolocation was the primary navigation method. The study also revealed that young bats must learn this skill through social interaction with older conspecifics.
Researchers studied 250 mammals in zoos to investigate the connection between digestive systems and resting postures. They found that body size plays a significant role in determining the animals' resting posture, with larger animals more likely to lie on their sides and smaller ones on their chests.
A study at Flamingo Land zoo in the UK found that puppet theatre performances increased knowledge of animals and conservation among children and adults by 22% and 18%, respectively. The research suggests that conventional zoos can achieve similar levels of learning through entertainment-driven settings.
The San Diego Zoo's breeding program for endangered Hawaiian birds aims to strike a balance between animal welfare and conservation needs. Researchers studied the welfare of several species, including the 'alalā and 'akikiki, using guidelines from the 'Opportunity to Thrive' model.
Researchers observed cyclical weight fluctuations in zoo elephants that correlate with tooth change process, finding a yo-yo effect in their weight. This phenomenon is unlikely to be observed in wild elephants due to seasonal food availability differences.
A new study suggests that real-world learning experiences, such as summer camps, can boost key components of learning in children. Researchers found that 4- to 9-year-old kids knew more about how animals are classified after a four-day camp at a zoo.
Scientists studied animals' sniffing behavior to design a better electronic nose that can detect different odors. The sensor uses airflow control and customized pumps to mimic animal sniffing patterns, promising applications in food safety, national security, and more.
Researchers found that Asian elephants possess numerical skills comparable to those in humans, unaffected by distance, magnitude, or ratios. The study used a touch-panel task to train an Asian elephant named Authai to judge relative quantities, with a success rate of 66.8%.
Researchers discovered that animals swish their tails to generate a curtain of breeze that wafts insects away. The study found that the animals were swinging their tails three times faster and using 27 times more energy than expected, but still only intercepted one insect every 90 seconds.
A recent study published in Nature Communications reveals that capturing wild-caught elephants from the wild significantly reduces their lifespan compared to captive-born animals. The research analyzed data from timber camps in Myanmar and found that even years after capture, mortality rates remain increased.
A study analyzing records of timber elephants in Myanmar found that even years after capture, wild-caught elephants' mortality rate remains increased and their average life expectancy is several years shorter compared to captive-born animals. This highlights the negative effects of capture on the long-term well-being of elephants.
A study found that female leopards have a significantly wider diet range than males, with a greater diversity of smaller prey species. This is thought to be due to the energy constraints and limited home ranges of females.
Researchers found that over 80% of carnivore species in zoos reproduce during the same time of year as their natural habitats. The study suggests that seasonality is an innate characteristic linked to daylight length and genetic adaptations. This discovery sheds light on evolutionary processes influencing reproductive behavior.
A new international study found that the popularity of charismatic animal species like tigers and pandas may contribute to their extinction due to misperception. The researchers suggest that companies using images of threatened species for marketing purposes provide information on conservation efforts.
A study reveals that charismatic species are often misperceived as having healthy populations, leading to complacency and reduced conservation efforts. The researchers propose that companies contributing to the creation of these representations should support conservation initiatives.
Researchers at James Cook University have successfully developed a sperm freezing technique for African wild dogs, allowing for genetic diversity to be introduced without disrupting pack hierarchy. The technique has the potential to assist outbreeding efforts and maximize population management.
A meta-analysis of 100 studies across 44 species reveals captive-born animals have significantly lower reproductive success rates compared to their wild-born counterparts. This finding highlights the need for improvement in animal breeding programs to boost sustainability and maintain food supply.
Researchers used 'poo science' to analyze glucocorticoid hormones in Cape mountain zebra droppings, revealing chronic stress impacting their health and reproduction. The study identified seven populations with distinct profiles, enabling conservationists to identify at-risk populations and evaluate the effectiveness of conservation plans.
Researchers have developed a new welfare assessment grid to help zookeepers monitor the physical and psychological wellbeing of animals in their care. The grid provides daily monitoring of factors such as environment quality and daily procedures, enabling zookeepers to identify potential problems and improve animal welfare.
Researchers found that tourists often mistake wild monkeys' aggressive facial expressions for friendly or neutral ones, leading to increased risk of injury and disease transmission. The study suggests educating tourists through videos or guided visits with expert guides could improve both animal welfare and tourist experience.
Asian elephants are carriers of virus types 1, 4 and 5, while African elephants carry types 2, 3 and 6. The transmission of Elephant Herpes has been largely unknown until now.
A study by University of York researcher Emma K Wallace found that captive chimpanzees did not benefit from being played classical or pop/rock music, nor did they show preferences for specific genres. The research suggests that music may be a uniquely human trait and should not be considered a form of enrichment for these animals.
Killer whales in captivity require enhanced living conditions to elicit natural behaviors. Experts propose changes to environmental enrichment, feeding, and husbandry systems to prioritize psychological and physical wellbeing.
Studies have shown that most mammals live longer in zoos compared to their wild counterparts, with smaller species exhibiting the greatest increase in longevity. This is likely due to reduced mortality rates from predation and intraspecific competition, which are prevalent in the wild.
An orangutan was found to be able to predict the taste of new juice mixes without tasting them, mirroring human affective forecasting ability. This study suggests that this cognitive skill may not be exclusive to humans and could be shared with other animals.
Lianas are preventing tropical forest recovery due to rapid spread following tree-felling, according to a new study. The researchers advocate for temporary removal of lianas in selected areas to aid growth and reduce carbon impact.
A new study finds that binturongs release a popcorn-like aroma from their urine, containing the compound 2-acetyl-1-pyrroline, to mark territories and attract mates. Researchers analyzed urine samples from 33 binturongs and identified 29 chemical compounds, with 2-AP being present in every sample.
A study by Sarah Benson-Amram and colleagues found that carnivore species with larger brains relative to their body size were more successful in solving a novel problem-solving task, with bears being the most successful and meerkats and mongooses being the least. The results support the theory that brain size predicts cognitive abilities.
European minks face significant reproductive challenges due to habitat destruction and competition with American minks. Scientists have successfully developed a non-invasive method to analyze faecal samples, revealing that mating can occur more frequently than previously thought.
Researchers found that Asian elephants born during stressful periods produce significantly fewer offspring despite higher reproduction rates at an early age. The decline in reproductive rate accelerates with age, decades later.
A chimpanzee at the Royal Burgers' Zoo in the Netherlands deliberately used a stick as a weapon to bring down an aerial drone. This incident highlights the apes' ability to plan ahead and utilize tools in innovative ways, even without explicit training.
A study of 214 species finds that vertical slits indicate ambush predators, while horizontally elongated pupils suggest grazing prey. Researchers believe this shapes allows for optimal vision in dim light and panoramic view.
A new study reveals that captive black rhinos are at high risk for inflammation and insulin resistance, conditions commonly seen in humans. The finding suggests that the animals' diets, which often consist of high-quality food, may be too rich, contributing to these health problems.
A study at Lincoln Park Zoo found that chimpanzees prefer to travel longer distances for their preferred food source, grapes, over carrots. The apes demonstrated innovative problem-solving behavior as they adapted to the situation.
The study found that millions of dollars are spent annually on animal translocations to mitigate human interference, but outcomes are often poor and rarely monitored. Successful science-based translocations provide a model for improving mitigation efforts and achieving legislative goals for species conservation.
Researchers discovered two new species of water monitor lizards in Manila's black market, which were previously unknown to science. Genetic analysis revealed distinct genetic variations from known local species, highlighting the need for conservation efforts.
A study published in Food and Nutrition Sciences found that neurological disorders among captive felids in the UAE are correlated with copper and Vitamin A deficiencies due to inadequate diets. Thirty percent of animals without supplements developed clinical signs such as ataxia and hind limb weakness.
Vultures have developed a tough digestive system to destroy most bacteria ingested, but also appear tolerant of deadly species that flourish in their lower intestine. This adaptation may confer dietary benefits, highlighting the importance of the avian microbiome in evolution.
Researchers used high-tech solutions to identify and relocate problem tigers in India, reducing human-wildlife conflict near protected areas. The stripe-matching software and individual histories helped make informed decisions on handling conflict-prone big cats.
A team of researchers from Texas is studying the impact of urban noises on captive rhinoceros reproduction. They found that infrasonic sounds, often unnoticed by humans, could be distressing for the animals, negatively impacting their health. To mitigate this effect, zoos can implement simple strategies such as sound-absorbing barriers...
Zoos and aquariums are vulnerable to disasters, but experts say preparedness training and planning can minimize risks. The University of Illinois veterinarian Yvette Johnson-Walker brings emergency training to accredited institutions, focusing on scenarios like avian influenza and hurricane floodwaters.