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      Daily and seasonal fluctuation in Tawny Owl vocalization timing

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          Abstract

          A robust adaptation to environmental changes is vital for survival. Almost all living organisms have a circadian timing system that allows adjusting their physiology to cyclic variations in the surrounding environment. Among vertebrates, many birds are also seasonal species, adapting their physiology to annual changes in photoperiod (amplitude, length and duration). Tawny Owls ( Strix aluco) are nocturnal birds of prey that use vocalization as their principal mechanism of communication. Diurnal and seasonal changes in vocalization have been described for several vocal species, including songbirds. Comparable studies are lacking for owls. In the present work, we show that male Tawny Owls present a periodic vocalization pattern in the seconds-to-minutes range that is subject to both daily (early vs. late night) and seasonal (spring vs. summer) rhythmicity. These novel theory-generating findings appear to extend the role of the circadian system in regulating temporal events in the seconds-to-minutes range to other species.

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          Most cited references38

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          What makes us tick? Functional and neural mechanisms of interval timing.

          Time is a fundamental dimension of life. It is crucial for decisions about quantity, speed of movement and rate of return, as well as for motor control in walking, speech, playing or appreciating music, and participating in sports. Traditionally, the way in which time is perceived, represented and estimated has been explained using a pacemaker-accumulator model that is not only straightforward, but also surprisingly powerful in explaining behavioural and biological data. However, recent advances have challenged this traditional view. It is now proposed that the brain represents time in a distributed manner and tells the time by detecting the coincidental activation of different neural populations.
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            Properties of the internal clock: first- and second-order principles of subjective time.

            Humans share with other animals an ability to measure the passage of physical time and subjectively experience a sense of time passing. Subjective time has hallmark qualities, akin to other senses, which can be accounted for by formal, psychological, and neurobiological models of the internal clock. These include first-order principles, such as changes in clock speed and how temporal memories are stored, and second-order principles, including timescale invariance, multisensory integration, rhythmical structure, and attentional time-sharing. Within these principles there are both typical individual differences--influences of emotionality, thought speed, and psychoactive drugs--and atypical differences in individuals affected with certain clinical disorders (e.g., autism, Parkinson's disease, and schizophrenia). This review summarizes recent behavioral and neurobiological findings and provides a theoretical framework for considering how changes in the properties of the internal clock impact time perception and other psychological domains.
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              ST-DBSCAN: An algorithm for clustering spatial–temporal data

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                Author and article information

                Contributors
                Role: Formal analysisRole: InvestigationRole: MethodologyRole: ValidationRole: Writing – original draftRole: Writing – review & editing
                Role: Formal analysisRole: MethodologyRole: ValidationRole: Writing – review & editing
                Role: SupervisionRole: Writing – review & editing
                Role: ConceptualizationRole: SupervisionRole: Writing – review & editing
                Role: ConceptualizationRole: Formal analysisRole: InvestigationRole: MethodologyRole: SupervisionRole: Writing – review & editing
                Role: Editor
                Journal
                PLoS One
                PLoS ONE
                plos
                plosone
                PLoS ONE
                Public Library of Science (San Francisco, CA USA )
                1932-6203
                15 April 2020
                2020
                : 15
                : 4
                : e0231591
                Affiliations
                [1 ] Department of Science and Technology, National University of Quilmes/CONICET, Buenos Aires, Argentina
                [2 ] Department of Psychology and Neuroscience, Duke University, Durham, NC, United States of America
                [3 ] School of Health Sciences, University of East Anglia, Norwich, England, United Kingdom
                University of Sassari, ITALY
                Author notes

                Competing Interests: The authors have declared that no competing interests exist.

                Author information
                http://orcid.org/0000-0003-4386-2228
                http://orcid.org/0000-0003-0425-6911
                Article
                PONE-D-19-29716
                10.1371/journal.pone.0231591
                7159226
                32294116
                980f6d8d-cae7-4df5-9d6c-1fca2a58573a
                © 2020 Agostino et al

                This is an open access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.

                History
                : 24 October 2019
                : 26 March 2020
                Page count
                Figures: 4, Tables: 1, Pages: 12
                Funding
                Funded by: unfunded
                The authors received no specific funding for this work.
                Categories
                Research Article
                Biology and Life Sciences
                Organisms
                Eukaryota
                Animals
                Vertebrates
                Amniotes
                Birds
                Raptors
                Owls
                Biology and Life Sciences
                Psychology
                Behavior
                Animal Behavior
                Animal Communication
                Vocalization
                Social Sciences
                Psychology
                Behavior
                Animal Behavior
                Animal Communication
                Vocalization
                Biology and Life Sciences
                Zoology
                Animal Behavior
                Animal Communication
                Vocalization
                Earth Sciences
                Seasons
                Spring
                Biology and Life Sciences
                Organisms
                Eukaryota
                Animals
                Vertebrates
                Amniotes
                Birds
                Earth Sciences
                Seasons
                Summer
                Earth Sciences
                Seasons
                Earth Sciences
                Seasons
                Seasonal Variations
                Biology and Life Sciences
                Zoology
                Animal Physiology
                Bird Physiology
                Biology and Life Sciences
                Zoology
                Ornithology
                Bird Physiology
                Custom metadata
                All relevant data are within the manuscript and its Supporting Information files.

                Uncategorized
                Uncategorized

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