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12 results for “female vocalization”
Reproductive state alters vocal characteristics of female North American red squirrels (Tamiasciurus hudsonicus)
<p>Female advertisement of reproductive state and receptivity has the potential to play a large role in the mating systems of many taxa, but investigations of this phenomenon are underrepresented in the literature. North American red squirrels (<em>Tamiasciurus hudsonicus</em>) are highly territorial and engage in scramble competition mating, with males converging from spatially disparate territories to engage in mating chases. Given the narrow estrus window exhibited in this species, the ubiquitous use of vocalizations to advertise territory ownership, and the high synchronicity of males arriving from distant territories, we hypothesized that female vocalizations contain cues relating to their estrous state. To test this hypothesis, we examined the spectral and temporal properties of female territorial rattle vocalizations collected from females of known reproductive condition over 3 years. While we found no distinct changes associated with estrus specifically, we did identify significant changes in the spectral characteristics of rattles relating to both female body mass and reproductive state relative to parturition. To the best of our knowledge, this is the first evidence of changes in vocal characteristics associated with late pregnancy in a non-human mammal.</p>
Reproductive state alters vocal characteristics of female North American red squirrels (Tamiasciurus hudsonicus)
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Frequency jumps and subharmonic components in calls of female Odorrana tormota differentially affect the vocal behaviors of male frogs
<p><span>Many studies have demonstrated that sounds containing nonlinear phenomena (NLP) can influence the behavior of receivers. However, the specific functions of different NLP components have received less attention. In most frog species, females produce few or no vocalizations; in contrast, female <em>O</em></span><span><em>dorrana</em> <em>tormota</em></span><span> exhibit a diverse range of calls that are rich in NLP components. Previous field playbacks have shown that female calls can elicit responses from male frogs. Therefore, we conducted a phonotaxis experiment to investigate the differential effects of different NLP calls by female <em>O. tormota</em> on the vocal behavior of male frogs. The results of our study revealed that calls with subharmonics elicited a greater number of short calls and answering calls from male frogs than calls with frequency jumps. Conversely, calls with frequency jumps triggered more staccato calls from males than calls with subharmonics. Additionally, during the phonotaxis experiments, we recorded the initial vocalizations of males in response to playbacks of female calls. The majority of males first produced short calls. Under calls with frequency jumps, most of the male frogs approaching within 10 cm of the loudspeaker produced staccato calls instead of "meow" calls or short calls. While under calls with subharmonics, most male frogs preferred to produce short calls. Our findings demonstrate that frequency jumps and subharmonic components in the calls of female <em>O. tormota</em> have different effects on male vocal behaviors.</span></p>
Data from: The effects of age on vocal mimicry in female superb lyrebirds
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The “silent” half: diversity, function, and the critical knowledge gap on female frog vocalizations
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Data from: Vocal performance in birdsong is an aggressive signal in both females and males: Experimental evidence from a field study in European robins
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Frequency jumps and subharmonic components in calls of female Odorrana tormota differentially affect the vocal behaviors of male frogs
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Humpback whale adult females and calves balance acoustic contact with vocal crypsis during periods of increased separation
<ol> <li>Acoustic communication is important for animals with dependent young, particularly when they are spatially separated. Maternal humpback whales (<i>Megaptera novaeangliae</i>) use acoustic calling to help minimise the risk of separation from their young calves during migration.</li> <li>These pairs also use acoustic crypsis to minimise detection by males. How they balance a restricted active space with the need to maintain acoustic contact during periods of separation is not yet understood.</li> <li>Here, we analysed movement metrics of tagged adult female-calf pairs during migration to identify two behavioural states, 'resting/milling' and 'travelling'. When travelling, these pairs dived synchronously and exhibited little to no spatial separation. Alternatively, adult females had significantly longer dive durations (p < 0.01) when resting, and while they spent prolonged times at depth, calves would surface several times independently. This demonstrated that these pairs are frequently separated during periods of rest.</li> <li>We then determined if the call rates and acoustic levels of these pairs increased with more frequent separation, finding that both adult females and calves significantly increased their call rates, but not levels, when resting.</li> <li>We also found that adult female-calf pairs have a restricted active space, with less than 15% of calls estimated to be detectable beyond 2 km. However, as with call level, detection distance did not differ significantly between the two behavioural states.</li> <li>In summary, adult female-calf pairs maintain successful communication during periods of separation by calling more frequently rather than by producing louder calls. This strategy aids in maintaining acoustic contact while simultaneously limiting detectability by conspecifics.</li> </ol>
Humpback whale adult females and calves balance acoustic contact with vocal crypsis during periods of increased separation
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Data from: Strategic use of affiliative vocalizations by wild female baboons
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Spectrotemporal profiling of ultrasonic vocalizations during neonatal opioid withdrawal reveals a kappa opioid receptor component in female mice
GEO Series GSE271337. Mus musculus. 8 samples. Type: Expression profiling by high throughput sequencing.
Data from: Vocalisation repertoire of female bluefin gurnard (Chelidonichthys kumu) in captivity: Sound structure, context and vocal activity
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Allen Brain Atlas
Allen Brain Atlas is an Allen Institute collection of brain map atlases, datasets, APIs, and analysis tools covering mouse, human, and non-human primate brain resources.
Annotated Behaviour and Observability Dataset (ABODe)
ABODe is a University of Edinburgh DataShare dataset for behavior classification in group-housed mice using home-cage video, identities, bounding boxes, ground-plate positions, and annotator labels.
DANDI Archive for NWB datasets
DANDI is a BRAIN Initiative archive for publishing and sharing neurophysiology data, including electrophysiology, optophysiology, and behavioral data packaged as NWB and related standards.
International Brain Laboratory public data
The International Brain Laboratory public data releases expose standardized mouse decision-making experiments, including Neuropixels recordings, widefield calcium imaging, behavior, and session metadata accessed through the ONE API.
OpenNeuro
OpenNeuro is a free, open platform for sharing neuroimaging datasets, with public search, dataset pages, and download paths for web, S3, DataLad, and the OpenNeuro CLI.