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Thrush nightingales adjust the peak frequency and structure of their songs in response to different types of experimental noise.
Sci Rep
January 2025
Department of Behavioural Ecology, Adam Mickiewicz University in Poznań, Uniwersytetu Poznańskiego 6, Poznan, 61614, Poland.
Animals employ various strategies to minimize the overlap of their vocalizations with other sounds, thereby enhancing the effectiveness of their communication. However, little attention has been given to experimentally examining how the structure of the acoustic signal changes in response to various kinds of disturbances in the soundscape. In this study, I experimentally investigated whether male thrush nightingales (Luscinia luscinia) adjust their singing rate, song frequency, and song type in response to different types of artificial sounds.
View Article and Find Full Text PDFParenting Practices and Well-Being and Health Behaviors Among Young Asian American Children.
JAMA Netw Open
January 2025
Buehler Center for Health Policy and Economics, Feinberg School of Medicine, Northwestern University, Chicago, Illinois.
Importance: Literature suggests that well-being and health status differ by generational status among Asian American individuals.
Objective: To compare young children's well-being and health behaviors and their parents' parenting practices among families of second-generation Asian American, third- or later-generation Asian American, and third- or later-generation non-Hispanic White children in the US.
Design, Setting, And Participants: For this survey study, secondary data analysis was conducted from September 2, 2023, to June 19, 2024, using data from the 2018 to 2022 National Survey of Children's Health participants aged 6 months to 5 years.
Creative Aging: Unraveling the Psychosocial Benefits of Art Among Germany's Oldest Old. Findings From the Nationally Representative Study "Old Age in Germany (D80+)".
Int J Geriatr Psychiatry
January 2025
Department of Health Education and Behavioral Sciences, Faculty of Public Health, Mahidol University, Bangkok, Thailand.
Objective: There is a dearth of studies examining the link between artistic activity and psychosocial outcomes exclusively among the oldest old. Therefore, the purpose of this study was to investigate the association between artistic activity and psychosocial outcomes among individuals aged 80 years and over in Germany.
Methods/design: Data for this analysis were taken from the "Old Age in Germany (D80+)" study, a nationwide sample encompassing both community-dwelling individuals aged 80 and above, as well as those residing in care facilities.
Choice of props for courtship dancing in estrildid finches.
Sci Rep
January 2025
Department of Behavioural Neurobiology, Max Planck Institute for Biological Intelligence, Seewiesen, Germany.
Article Synopsis
- The study investigates the role of non-bodily objects, like nesting material, in the mating displays of estrildid finches, focusing on whether these actions serve a signaling function or are merely ritualistic.
- Captive and wild finches were found to prefer longer strings during courtship, suggesting that these displays may indicate an individual's ability to gather and transport such materials.
- The approach to using nesting material in displays likely evolved due to high predation risks and the cooperative nesting habits of mating pairs in estrildid finches.
Divergence in expression of a singing-related neuro-plasticity gene in the brains of two Ficedula flycatchers and their hybrids.
G3 (Bethesda)
December 2024
Animal Ecology, Department of Ecology and Genetics, Uppsala University, 752 36 Uppsala, Sweden.
Species-specific sexual traits facilitate species-assortative mating by reducing mating across species and reducing hybrid sexual attractiveness. For learned sexual traits, such as song in oscine birds, species distinctiveness can be eroded when species co-occur. Transcriptional regulatory divergence in brain regions involved in sensory learning are hypothesized to maintain species distinctiveness, but relatively few studies have compared gene expression in relevant brain regions between closely related species.
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