Opposites do not attract
A study found female budgerigars pair with males that sound like them, receiving more assistance during nesting. Males that mimic similar calls are also less aggressive and provide better support to females.
Animal Communication
Articles tagged with Animal Communication
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Digital tags provide evidence that narwhals may produce signature vocalizations for communications
Scientists recorded digitally-tagged narwhal vocalizations, revealing individually-distinctive pulsed/tonal signals and whistles. The findings suggest that these sounds may facilitate individual recognition or reunion with more distant group members.
Shared ancestor to humans, present-day non-human primates may be linchpin in evolution of language
Research suggests that present-day non-human primates, such as rhesus monkeys and macaques, use brain regions similar to those in humans to process species-specific vocalizations. This finding bolsters the hypothesis that a shared ancestor possessed the neural mechanisms for language, which may have evolved in humans.
RFID tags to assist in tracking first responders
Researchers at NIST are developing a system using RFID tags to help track first responders' locations within buildings. The system uses inertial sensors to correct navigation errors, providing more accurate location and local information. By leveraging this technology, first responders can navigate complex environments more efficiently.
Warbling whales speak a language all their own
Researchers used information theory to analyze humpback whale songs and found a hierarchical structure with multiple layers of repetition. This study offers a new approach to studying animal communication and may inform research in evolutionary biology.
Scientists discover reason behind ear canal in Chinese frog: Ultrasonic communication
Researchers find that a unique ear canal in the concave-eared torrent frog allows it to detect and produce ultrasounds, a skill also seen in dolphins and bats. This discovery may lead to new strategies for humans to hear in noisy environments.
Every squeak you make
Researchers find mouse songs have syllabic diversity and temporal regularity, similar to birdsong, but with less complexity. The study adds mice to the list of creatures that sing during courtship, paving the way for future investigation into mouse vocalizations in wild populations.
Study strengthens link between Foxp2 gene and language development
Researchers have found that disruption of the Foxp2 gene affects the ability of infant rodents to emit ultrasonic vocalizations, which is crucial for social communication. The study suggests that Foxp2 subsumes communication across species, enabling researchers to learn about human speech and articulation.
Scientists journey to southern Africa to unravel the secret world of elephant communication
Researchers from Stanford University explore the secret world of elephant communication, discovering that elephants can sense underground vibrations generated by low-pitched sounds. The team uses seismic signals to communicate with elephants, finding that they can feel and interpret these vibrations through their trunks and feet.
Elephants imitate sounds as a form of social communication
Researchers found that elephants imitate sounds they hear, similar to other species with complex social systems. This ability enables open communication and shared associations among individuals, suggesting that elephants may use vocal learning to maintain individual-specific relationships.
Sensor network mimics synchronized calling by frogs, cicadas
A wireless distributed sensor network simulates synchronized calling behavior of frogs and cicadas. The system exhibits complex group behaviors, including the emergence of new calling cycles and the recruitment of nodes to these cycles.
Imitative parrots just might tell you it's all in the tongue
Researchers at Indiana University and Leiden University found that tiny changes in a parrot's tongue position can significantly affect the qualities of its sounds. This discovery sheds light on the complex communication systems of birds, which are comparable to human speech.
For imitative parrots, wagging tongues may be key to vocalization
Researchers found that Monk parakeets change their vocal-tract formant frequencies and amplitudes with tongue movements, suggesting a role for lingual articulation in mimicking human speech. This discovery also implies that lingual articulation may underlie the natural vocalizations of parrots.
Biologists deciphering complex lemur scent language
Researchers at Duke University have been studying ring-tailed lemurs' scent language to understand their complex chemical communications. The scientists found that lemurs use 'scentences', combinations of scents extending their chemical messages, and identified specific compounds in their scent profiles.
AGU journal highlights - 23 June 2004
Scientists explore new explanations for auroral lights, elephant communication, and the impact of volcanic eruptions on global climate change. Researchers analyze electron interactions with nitric oxide molecules and propose a new method for monitoring small-scale flow variations in the Earth-space boundary.
Espionage may have driven the evolution of bee language according to UCSD-led study in Brazil
A study by UCSD and Brazilian biologists found that bees can use scent markings from other species to find food. This ability allows aggressive stingless bee species to take over food sources previously discovered by competitors, providing a clear evolutionary advantage in scarce floral resources.
Without words, bullfrogs communicate through stutters in their croaks
Researchers found bullfrog calls with stutters have a communication function and don't indicate fatigue. The frogs use stutters to extend call length while reducing air exchange, attracting mates during breeding season.
Monkey talk, human speech share left-brain processing
Researchers have identified a specialized area in the monkey brain's left temporal lobe that processes species-specific vocalizations, mirroring the human brain's linguistic abilities. This finding suggests that vocalizations can be deciphered better when processed by one temporal pole rather than both.
World's largest forest birds may produce world's deepest bird calls
Researchers have discovered that three species of cassowaries can produce low-frequency sounds that may be similar to those made by dinosaurs. The birds' helmet-like casques are thought to serve a function in sound reception and could provide clues about dinosaur communication.
'Meow' isn't language, but enough to manage humans
A study by Cornell University's Nicholas Nicastro found that cats use acoustic features to convey urgency and demand, but not true language. Cats have become skilled at managing humans for food, shelter, and affection without using complex language.
Secrets hidden in a tiger's paralyzing roar
Researchers recorded tigers' growls and roars to analyze infrasound frequencies. The study suggests that infrasound may be the missing link in tiger communication and could have paralyzing effects on humans.
Baboons have voice and communication but not the 'theory of mind' to understand how their communications will affect others
New research suggests that mother baboons do not use their voices to call back to lost infants, contrary to previous assumptions. This lack of 'theory of mind' is believed to be due to the inability to recognize that other animals have thoughts and feelings apart from their own.
Researchers Propose A Revolutionary New Theory About The Way Cells Communicate
Researchers propose a revolutionary new theory about cell communication, suggesting that cytonemes relay messages between cells. The theory challenges conventional thinking on morphogen transmission and could fundamentally change our understanding of developmental biology.
SFSU Biologist Deciphers Desert Animals' Whistles And Drumbeats
Janet Randall deciphered the communication system used by great gerbils to warn their kin of danger, discovering a variable warning system that alerts family members to the degree of risk. The gerbils' altruistic motives contrast with those of kangaroo rats, which use foot-drumming to ward off predators.