Animal Vocal Communication and Behavior

Greylag geese (Anser anser) initiate group flight based on the number and identities of callers

The paper investigates how greylag geese use vocal signals to coordinate flight initiation, finding that caller number and identity influence flight success and group size.

Sensitive period for song learning outlasts parent-offspring cohesion in wild zebra finches

This study shows that song learning in wild zebra finches occurs during a sensitive period that outlasts parent-offspring cohesion, suggesting broader social learning opportunities.

4-Dimensional Chess: Acoustic Localisation Reveals Nested Spatio-temporal Strategies in an Arboreal Communication Network

This study uses acoustic localisation to reveal nested spatio-temporal strategies in the communication network of a nocturnal frog species.

Stratified Palliobulbar and Midbrain Circuits Control the Timing and Acoustics of Learned Vocalizations

The paper identifies how stratified palliobulbar pathways control respiratory timing and acoustics of learned vocalizations in zebra finches, revealing distinct roles for medulla and midbrain periaqueductal gray (PAG) projections.

Parrots imitate song and dance with mixed vocal-gestural neural signals

The paper shows budgerigar parrots use mixed vocal-gestural neural signals for learned communication, with single neurons representing both song and headbob gestures.

A sparse neural code for acoustic targets enables speech-like vocal flexibility in parrots

The paper identifies a sparse neural code in parrots that enables flexible vocal combinations similar to human speech phonemes.

Males of a suboscine lekking bird exhibit neighbor-stranger discrimination

The study finds that male red-capped manakins discriminate between stranger and neighbor vocalizations at leks, responding more quickly to strangers.

ARTIFICIAL SELECTION DIVERSIFIES BIRDSONG THROUGH POLYGENIC CHANGES ACROSS SENSORY AND MOTOR SYSTEMS

This study shows that artificial selection in canaries leads to polygenic changes across sensory and motor systems, affecting song diversity and auditory traits.

Urban planning leaves an audible legacy in a megacity's bird soundscape

The paper maps bird sound activity in Shenzhen using AI and acoustic monitoring to inform urban planning and monitoring priorities.

Phase-Based Frequency Tracking and Analysis of Vocalisations in the Genus Saxicola

The paper introduces a phase-based frequency tracking method to analyze vocalizations in Saxicola species, revealing structured acoustic patterns and demonstrating the method's effectiveness through PCA analysis.

Males of a suboscine bird (Ceratopipra mentalis) exhibit individual distinctiveness in their contact call

This study finds individual distinctiveness in the contact calls of red-capped manakin males, challenging assumptions about suboscine vocal capabilities.

FEED, FLEE, OR FACT-FIND: MODELING LATENT COGNITIVE-MECHANISTIC RESPONSES TO HETEROSPECIFIC ALARM CALLS FOR FORAGING CARDINALS

This study investigates how Northern cardinals respond to different types of heterospecific alarm calls by analyzing changes in feeding, vigilance, and departure behaviors.

Division of vocal signaling in cooperating marmoset dyads

The paper examines vocal signaling in marmoset dyads during cooperation, finding that social hierarchy and task role determine which vocal signals are used and when.

A new fitness indicator in birdsong: a trade-off between song length and note length

The paper identifies a trade-off between song length and note length in birdsong, linking it to fitness indicators like clutch size and seasonal behavior.

Current state of bioacoustics research of vocal repertoires

This study analyzes the methods used to identify vocal repertoires in 197 mammalian species across 220 studies, finding variability in feature extraction, analysis, and clustering methods, and calls for standardization and data transparency.

Evidence for a cohesion-related function of alpaca hums: Linking automated call detection with GPS data

This study links automated detection of alpaca hums with GPS data to show that hums are associated with closer group contact and faster movement, suggesting a role in social cohesion.

Recording context and data splitting can inflate acoustic re-identification accuracy across species and studies

This paper shows that methodological choices can inflate acoustic re-identification accuracy across species and studies, and proposes diagnostics to assess true performance.

Automated localization of calling birds with small passive acoustic arrays in complex soundscapes

This paper develops an automated pipeline for 3D localization of bird vocalizations using small passive acoustic arrays in complex soundscapes, achieving reliable spatial estimates for a majority of detections.

Vocal fold injury alters acoustic phenotype despite preserved vocal activity

This study shows that vocal fold injury changes the acoustic phenotype while vocal activity remains stable in California mice.

Categorical rhythmic patterns do not predict song preference in zebra finches

This study tests if zebra finches prefer songs with specific rhythmic patterns, finding no consistent preference across the population.

A comparison of female competitive traits: Female aggression peaks at nest building but female song spans multiple contexts in a temperate songbird

This study examines female competitive traits in northern house wrens, finding that aggression peaks during nest building while song spans multiple contexts.

Millisecond-scale detection of mouse ultrasonic vocalizations enables closed-loop experiments

This paper introduces DeepFisFis, a real-time USV detection system that enables closed-loop experiments and efficient data acquisition in mice.

Supra-regular recursion in primate vocal sequences

This study shows nonhuman primates use supra-regular recursive grammars in vocal sequences, challenging the idea that syntax is unique to humans.

The Genetic Architecture of Neonatal Deer Mouse Cries Implicates the Cerebellum in the Temporal Control of an Infant Social Behavior

This study identifies a genetic locus and cerebellar mechanisms influencing neonatal cry duration in deer mice, linking cerebellar anatomy and function to vocal behavior variation.

Predator type shapes call-type composition and post-threat vocal dynamics in Japanese quail (Coturnix japonica): a pilot case-series

This study examines how predator type influences vocalization patterns in Japanese quail, finding significant differences in call-type composition between aerial and terrestrial predator exposure.

Lesions Involving Medial Anterior Forebrain Pathway Circuitry Destabilize Phrase Timing in Adult Canary Song

The paper shows that lesions in the medial part of the Anterior Forebrain Pathway in adult canaries cause stutter-like behavior in song, indicating its role in controlling phrase duration.

A two-signal, two-receiver signalling system: Snake mobbing in the Arabian babbler

The paper investigates snake mobbing in Arabian babblers, showing that multimodal signals combine acoustic and visual components to balance social communication and predator deterrence.

Consistency and individual variation in common song types of an urban bird: a multi-population comparison over a decade

The study examines song-type consistency and individual variation in White-eared Ground-sparrows over 13 years across four populations, finding differences linked to urbanization and age.

Exploring rhythmic and melodic preferences in budgerigars: Individual and possible sex-related variation

This study investigates melodic and rhythmic preferences in budgerigars, finding possible sex-related differences in how they respond to auditory sequences.

Flexible neuronal participation within a reliable motor sequence

The paper shows that reliable motor sequences can maintain timing stability while allowing flexible neuronal participation in zebra finch songs.