Articles tagged with Animal Communication
A new study published in PLOS ONE suggests that many volatile compounds from a male cat's anal sacs are produced by a community of bacteria, rather than the cat itself. This discovery challenges traditional views on scent marking and communication in cats.
Researchers at the University of Zurich and others identified two perceptually distinct sounds in chestnut-crowned babbler calls that are shared across different arrangements. The findings suggest that these elements are meaningless and may be an early step in the emergence of human language.
Researchers identified two distinct sound elements in chestnut-crowned babbler calls that are shared across different arrangements and convey no specific meaning. The findings suggest that the capacity to generate meaning from meaningless building blocks is widespread in animals, similar to human language construction.
Researchers found that bonobos and humans share a similar contrast between their sclerae and irises, allowing others to detect the direction of their gaze. This discovery suggests that apes may also engage in gaze-following behaviors, previously thought to be uniquely human.
A new computer tool can reveal valuable insights into rodents' communication patterns and is more reliable than existing methods. The system analyses audio recordings of ultrasonic vocalisations to determine different types of sounds, standardizing interpretations for direct comparisons.
A genetic mutation may have triggered acquisition of recursive language and modern imagination in two or more children around 70,000 years ago. This would explain the long-standing mystery of language evolution and the emergence of modern human cognition.
Researchers at City College of New York led by biologist Hysell V. Oviedo published a breakthrough study on the inner workings of the brain's language processing in Nature Communications. The study sheds light on miswiring of brain circuits in neurodevelopmental communication disorders, with potential to improve diagnosis and treatment.
Researchers at Duke University have identified a key cluster of neurons in the mouse brain responsible for producing ultrasonic 'songs.' By controlling these neurons, scientists can make a mouse sing or not on command. The discovery sheds light on the mechanisms that allow humans to form speech and communication sounds.
Konstanz researchers Dina Dechmann, Alex Jordan, and Ariana Strandburg-Peshkin receive HFSP grants to study seasonal brain change in shrews, coordination in animal groups, and network design inspired by plant societies. The projects aim to uncover new approaches to fundamental biology problems.
Researchers found that tiny Brazilian frogs, called pumpkin toadlets, have fluorescent patterns on their backs and heads when exposed to UV light. These patterns are created by bony plates beneath a thin layer of skin, allowing the frog's skeleton to glow under UV illumination.
Researchers developed a computational model that explores how the auditory system achieves accurate speech recognition by identifying distinct categories of sounds. The model found that the brain looks for informative features, such as those characteristic of a face, to distinguish between different vocalizations.
Brazilian scientists have found that the strong odor released by some amphibian species is produced by bacteria, assisting in the animal's mating process. The study suggests that the odor serves to permit mutual recognition between males and females of the same species for mating purposes.
A study found that white-tailed deer feeding habits shape acoustic properties of their forest habitat, influencing songbird vocalizations. Deer browsing reduces understory vegetation density, leading to improved sound fidelity and clearer information transmission.
Researchers found that female manakins can produce a male-specific 'chee-poo' vocalization when implanted with testosterone, while untreated females cannot. In contrast, juvenile males who received testosterone exhibited vocalizations closer to those of treated females than adult males in the wild.
Researchers from Osaka University develop a mathematical model based on frog choruses to design efficient wireless sensor networks. The study finds that frogs' acoustic teachings can be adapted for technological benefit by alternating data transmission and regulating energy consumption.
DeepSqueak uses deep artificial neural networks to analyze ultrasonic vocalizations, providing a new tool for studying social behavior in rodents. The researchers found that male mice have distinct songs for different stages of courtship, and that they are more complex when sensing a female mouse nearby.
Studies in mice and marmosets reveal mechanisms underlying social learning and behavior, including neural circuits controlling vocalizations and aggression. The findings provide a clearer picture of the brain's social processing, paving the way for potential treatments for disorders such as autism spectrum disorder.
A study found that male humpback whales reduce or cease singing in areas with high human shipping noise. The authors suggest that ceasing vocalization and moving away may be cost-effective adaptations to avoid the noise.
Researchers discovered that bonobos have shorter vocal folds compared to chimpanzees, resulting in lower-pitched voices. This unexpected finding suggests that bonobos use their voice pitch to signal tolerance and non-aggressive interactions with other bonobos.
A study by researchers at the University of Wisconsin-Madison found that California mice who communicate calmly after infidelity are more likely to produce a litter of mouse pups and have good fathers. The quality of their conversations helps predict pair bond success, with less aggressive vocalizations indicating a stronger bond.
Researchers found that humans can estimate physical formidability from nonverbal vocal cues, including aggressive roars and speech. Listeners accurately judged vocalizers' strength in 88% of trials, with men perceiving themselves as stronger than women in similar situations.
Researchers found that BPA exposure in grandparents of mice led to altered vocalization patterns in their offspring, potentially affecting parental care. The study suggests multigenerational effects of BPA on communication deficits in humans with autism or neurobehavioral disorders.
A study published in PLOS ONE found that mouse vocalizations are influenced by sex and social context, with males producing more vocalizations after social interaction. Females, on the other hand, produce similar numbers of vocalizations regardless of prior social experience.
An international team of academics reveals that turn-taking behaviour, a hallmark of human conversation, is remarkably widespread across the animal kingdom. The study proposes a new comparative framework for future research on turn-taking behaviour, which may shed light on the evolution of language.
Researchers found guppies rapidly turn their eyes black to warn rivals, making their eyes more conspicuous as an honest signal of aggression. This behavior is seen in larger guppies dominating smaller ones, but not the other way around.
Researchers have found that seismology equipment can be used to detect and classify elephant behaviors, such as panic running, through ground vibrations. This technology has the potential to develop a new kind of alarm system to catch and deter poachers.
A field study in Panama reveals how tropical fish use electric fields to communicate for coordinated behaviors like mating and reproduction. Researchers found distinct signals for attracting mates and signaling fertilization, highlighting the need for studying behavior and sensory scenes in natural environments.
A psychology professor's new paper suggests that facial expressions are used to achieve specific social outcomes, rather than revealing emotions. The study finds that certain expressions serve as 'social tools' in behavioral negotiation, and can be used to subdue or intimidate others.
Fruit flies are attracted to unique wing pulse patterns, and exposure to these sounds during development teaches them to prefer their species' own pulse. The study found that female pC1 neurons play a crucial role in the courtship learning process.
Researchers use optogenetic methods to control songbird neurons, prompting birds to change specific syllables in their songs. The study provides insight into how the brain guides the learning of vocal behaviors in humans.
Researchers found that adult dogs were more likely to interact with speakers using 'dog-speak' containing dog-related words, suggesting improved social bonding. The study used naturalistic interactions between humans and dogs to test the effectiveness of this communication style.
Researchers have discovered that black jacobin hummingbirds produce vocalizations with an unusually high-frequency pitch, including components in the ultrasonic range. The findings suggest that these birds may rely on their unusual calls as a private channel of communication, given their diverse social environment.
A new study reveals that songbirds can 'see' reference to certain vocalizations, enabling them to perceive an inanimate object as a real snake. This cognitive ability allows birds to efficiently search out a predator regardless of its spatial position.
Wild-derived house mice produce complex ultrasonic vocalizations during social and sexual interactions, exhibiting features similar to bird song. Researchers found that calling rates and frequencies were higher in both males and females when paired with the opposite sex than with the same sex.
NOAA scientists found that vessel traffic noise is reducing the distance over which Atlantic cod and haddock can communicate with each other. This may alter their daily behavior, feeding, mating, and socializing during critical biological periods.
Neural recordings of wild bats reveal a layered structure in the superior colliculus facilitating rapid tracking and capturing of prey through echolocation. The study contributes to understanding of SC function during naturalistic behaviors, finding both sensory and motor neurons throughout the midbrain region.
A study published in Animal Cognition found that horses prefer to approach humans with submissive body postures over dominant ones. This preference is thought to be an instinctual understanding of larger vs. smaller postures, as seen in evolutionary communication.
Researchers found that songbirds break down the complex task of learning a new song into manageable parts, using a strategy similar to computer algorithms. This approach allows them to adapt their songs with minimal effort and expand their repertoire.
Researchers found that young bats pick up specific vocalizations from their colony members, developing a unique dialect. This discovery sheds light on the evolutionary origins of language skills and raises questions about how bats adapt to new colonies.
Researchers at the University of Washington developed a new type of smart fabric that can store digital data without electronic components. The fabric uses off-the-shelf conductive thread with magnetic properties to encode and decode data, enabling secure passcode storage and smartphone-controlled interactions.
A new study shows that young bats adopt a specific 'dialect' spoken by their colonies, even when it differs from their mother tongue. Researchers used playback recordings to expose pups to different vocalizations and found they developed a dialect resembling the one they were exposed to.
A recent study by Sjouke Kingma found that birds help other birds of the same species care for their offspring in exchange for future benefits, such as inheriting territory or creating an army of little helpers. This behavior challenges the traditional view that all creatures are selfish and maximizing their own reproductive success.
Researchers found that two species of pumpkin toadlets produce sounds outside their hearing range due to an undeveloped inner ear, indicating they are insensitive to the sound of their own calls. This finding suggests that these frogs may be evolving towards a loss of acoustic communication.
Two species of pumpkin toadlets have been found to be deaf to their own calls, a phenomenon that persists even after the target audience has lost the ability to detect it. This is due to the vestigial high-frequency hearing part in their ears, which may have been replaced by visual communication.
The University of Science and Technology (UNIST) has developed a self-powered tracking device capable of monitoring wild bird migration routes. The device will be used to predict bird flu outbreaks by compiling vast amounts of data into risk maps using data visualization techniques.
Researchers developed an automatic detection method called A-MUD to analyze ultrasonic vocalizations in mice. The tool was compared to manual methods and commercial solutions, showing equal quality and lower error rates.
Researchers from University of Helsinki explore pre-colonial geometric earthworks in southwestern Amazonia, finding them to be important ritual spaces where indigenous peoples communicated with environmental beings. The study highlights the interconnectedness of human life with nature and the significance of these sites as sacred places.
Research suggests uterine fluid informs the fetus of its mother's world, affecting embryonic development and long-term health. Studies have shown that maternal environmental exposures can leave epigenetic tags on fetal DNA.
A study found that meerkat scent marks are made by bacteria, not the animals themselves. The types of bacteria and chemicals in the scent marks vary between individuals and groups, suggesting a role for microbes in animal communication.
Researchers discovered that Cope's gray treefrogs use comodulation in background noise to pick out high-quality male calls. This finding has implications for human hearing and could lead to better hearing aids and speech recognition systems.
Scientists discovered a signaling system by which organs in C. elegans communicate their need for heme, an essential biological process. The study found that HRG-7 and BMP-5 proteins facilitate two-way communication between tissues, promoting systemic heme homeostasis.
Researchers are using an underwater touchscreen to investigate dolphin communication, cognitive abilities and social behavior. The system provides dolphins with choice and control over activities, enabling scientists to decode their vocal communication and gain insights into their way of thinking.
A team of scientists from Rockefeller University and Hunter College has developed an interactive underwater touchscreen to investigate dolphin intelligence and communication. The system allows dolphins to choose activities and make decisions, providing insights into their cognitive abilities and potential for symbolic communication.
Researchers found that American alligators use vocalizations to signal their body size, which is a common pattern also seen in birds and mammals. This acoustic cue allows individuals to avoid physical confrontations and ensures mating success.
Researchers have developed a novel signal-processing tool called Mouse Ultrasonic Profile ExTraction (MUPET) that enables unbiased analysis of mouse vocalizations. The tool provides time/date stamped analysis of ultrasonic vocalizations, allowing for correlation with video recorded behavioral interactions.
A new study by Oxford University reveals that homing pigeons can accumulate knowledge and improve their flight paths over time, mirroring human cumulative culture. The birds' collective intelligence enables them to streamline their routes, outperforming solo or group flights with no membership changes.
Veterinarians often use a directive style, which can limit client emotional connection and motivation. Research suggests that an evidence-based, mutually-driven approach can improve uptake of veterinary recommendations.
A research team led by Professor Bernard Degnan and Associate Professor Sandie Degnan has discovered that crown-of-thorns starfish gather in large groups due to pheromone release. The team plans to use this knowledge to develop environmentally safe baits to capture the pests, making it easier to protect coral reefs.
Researchers found that kea parrots can transmit playfulness through their vocalizations, inducing play in other birds. The findings suggest an emotionally contagious effect, similar to human laughter.
Research by University of Bristol scientists found that traffic noise hinders animals' response to warning signals, making them more vulnerable to predators. The study suggests that man-made noise can have a broader impact on information transfer between and within species.