Nicolas Mathevon
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View article: Using acoustic indices to detect interspecific bird interactions and behaviour
Using acoustic indices to detect interspecific bird interactions and behaviour Open
Communication networks and acoustic interactions play a crucial role in shaping animal communities by mediating information exchange between individuals. These interactions contribute to the biophonic component of the soundscape—the acoust…
View article: Absence of a dear enemy effect and limited evidence of neighbour-stranger vocal discrimination in Ecstatic Display Songs of nesting African penguins
Absence of a dear enemy effect and limited evidence of neighbour-stranger vocal discrimination in Ecstatic Display Songs of nesting African penguins Open
African penguins ( Spheniscus demersus ), a critically endangered seabird, form dense breeding colonies where nesting individuals maintain territories advertised through a loud vocalisation, the Ecstatic Display Song (EDS). This song encod…
View article: Premature baby cries remain different from those of full-term babies
Premature baby cries remain different from those of full-term babies Open
Prematurity is known to increase the risk of organic or functional pathologies from the neonatal period as well as after birth. The impact of prematurity on the acoustic structure of cries, which are vital signals for survival of babies, h…
View article: Nonlinear phenomena make animal calls alarming for human listeners
Nonlinear phenomena make animal calls alarming for human listeners Open
View article: Temporal integration and decision-making in crocodiles
Temporal integration and decision-making in crocodiles Open
To make appropriate behavioural decisions, animals continuously process a flow of information provided by different sensory channels. Could temporality, i.e. the order in which independent stimuli are perceived, lead the animal to give gre…
View article: Visualization and quantification of coral reef soundscapes using CoralSoundExplorer software
Visualization and quantification of coral reef soundscapes using CoralSoundExplorer software Open
Despite hosting some of the highest concentrations of biodiversity and providing invaluable goods and services in the oceans, coral reefs are under threat from global change and other local human impacts. Changes in living ecosystems often…
View article: A cooperatively breeding mouse shows flexible use of its vocal repertoire according to social context
A cooperatively breeding mouse shows flexible use of its vocal repertoire according to social context Open
View article: Nonlinear phenomena in pinnipeds: a preliminary investigation in the contact calls of northern elephant seal pups
Nonlinear phenomena in pinnipeds: a preliminary investigation in the contact calls of northern elephant seal pups Open
As acoustic markers of emotional state, nonlinear phenomena (NLP) are commonly found in the calls that young mammals produce to solicit attention from their parents. However, data are lacking to assess the ontogeny of these NLP during earl…
View article: Nonlinear acoustic phenomena affect the perception of pain in human baby cries
Nonlinear acoustic phenomena affect the perception of pain in human baby cries Open
What makes the painful cries of human babies so difficult to ignore? Vocal traits known as 'nonlinear phenomena’ are prime candidates. These acoustic irregularities are common in babies’ cries and are typically associated with high levels …
View article: Nonlinear phenomena in vertebrate vocalizations: mechanisms and communicative functions
Nonlinear phenomena in vertebrate vocalizations: mechanisms and communicative functions Open
Nonlinear phenomena (NLP) are acoustic irregularities that are widespread in animal and human vocal repertoires, as well as in music. These phenomena have recently attracted considerable interest but, surprisingly, have never been the subj…
View article: Acoustic Monitoring of Forest Restoration for the Western Capercaillie
Acoustic Monitoring of Forest Restoration for the Western Capercaillie Open
International audience
View article: Bridging Passive Acoustic Monitoring and Essential Biodiversity Variables with detectability.
Bridging Passive Acoustic Monitoring and Essential Biodiversity Variables with detectability. Open
View article: Old but attuned: the ability to decode babies’ cries does not decline with age
Old but attuned: the ability to decode babies’ cries does not decline with age Open
In most human societies, grandparents often provide substantial care and support for their grandchildren, including as babies. Given that previous studies have shown that ageing is accompanied by a gradual decline in our ability to identif…
View article: Reptiles
Reptiles Open
The class reptiles—lizards, snakes, turtles and tortoises, tuataras, and crocodiles—are a large (~11,000 species) and diverse group of animals. Reptiles include a wide variety of both terrestrial and aquatic species, and their sizes vary f…
View article: Crocodile mothers’ response to hatching calls
Crocodile mothers’ response to hatching calls Open
View article: Vocal accommodation in bonobos
Vocal accommodation in bonobos Open
International audience
View article: Sound and vibration control crocodile hatching
Sound and vibration control crocodile hatching Open
The birth of a baby or the hatching of an egg are moments when the risk of predation is particularly high. In oviparous species where clutches contain many eggs, one strategy for limiting predation is based on mechanisms that synchronise h…
View article: Acoustic cues to development of African Penguins (<i>Spheniscus demersus</i>) begging calls
Acoustic cues to development of African Penguins (<i>Spheniscus demersus</i>) begging calls Open
Avian begging calls mediate parent–offspring conflict and direct parental care to genetically related progeny. We found that the fundamental frequency of begging calls of African Penguins Spheniscus demersus decreases as the penguins age a…
View article: Behavioural response to boat noise weakens the strength of a trophic link in coral reefs
Behavioural response to boat noise weakens the strength of a trophic link in coral reefs Open
View article: High-frequency hearing sensitivity does not systematically imply aversion to ultrasounds in large terrestrial mammals
High-frequency hearing sensitivity does not systematically imply aversion to ultrasounds in large terrestrial mammals Open
International audience
View article: Windy events detection in big bioacoustics datasets using a pre-trained Convolutional Neural Network
Windy events detection in big bioacoustics datasets using a pre-trained Convolutional Neural Network Open
Passive Acoustic Monitoring (PAM), which involves using autonomous record units for studying wildlife behaviour and distribution, often requires handling big acoustic datasets collected over extended periods. While these data offer invalua…
View article: Pain cues override identity cues in baby cries
Pain cues override identity cues in baby cries Open
View article: Puppy whines mediate maternal behavior in domestic dogs
Puppy whines mediate maternal behavior in domestic dogs Open
In mammals, offspring vocalizations typically encode information about identity and body condition, allowing parents to limit alloparenting and adjust care. But how do these vocalizations mediate parental behavior in species faced with the…
View article: A cooperatively breeding mouse shows flexible use of its vocal repertoire according to social context
A cooperatively breeding mouse shows flexible use of its vocal repertoire according to social context Open
Mice exchange information using chemical, visual and acoustic signals. Long ignored, mouse ultrasonic communication is now considered to be an important aspect of their social life, transferring information such as individual identity or s…
View article: Is plant acoustic communication fact or fiction?
Is plant acoustic communication fact or fiction? Open
Summary In recent years, the idea has flourished that plants emit and perceive sound and could even be capable of exchanging information through the acoustic channel. While research into plant bioacoustics is still in its infancy, with pot…
View article: Does chaos make mammalian calls sound more alarming to human listeners?
Does chaos make mammalian calls sound more alarming to human listeners? Open
Mammalian vocalisations are extremely diverse, and evolutionary approaches to understanding this diversity assume that much of their acoustic form maps onto their function, with specific features serving universal roles. Here, we hypothesi…
View article: Sleep fragmentation disrupts vocal interactions in rats
Sleep fragmentation disrupts vocal interactions in rats Open
Repeated interruption of the sleep cycle, commonly known as sleep fragmentation, is associated with a plethora of health issues, ranging from mood swings and memory loss to severe neurodegenerative disorders. Despite being a significant he…
View article: Behavioural Response to Boat Noise Weakens the Strength of a Trophic Link in Coral Reefs
Behavioural Response to Boat Noise Weakens the Strength of a Trophic Link in Coral Reefs Open
View article: Vocal tract shape variation contributes to individual vocal identity in African penguins
Vocal tract shape variation contributes to individual vocal identity in African penguins Open
Variation in formant frequencies has been shown to affect social interactions and sexual competition in a range of avian species. Yet, the anatomical bases of this variation are poorly understood. Here, we investigated the morphological co…
View article: Infant cries convey both stable and dynamic information about age and identity
Infant cries convey both stable and dynamic information about age and identity Open