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Wong F, Diamant ES, Walters M, Yeh PJ. No evidence of repeated song divergence across multiple urban and non-urban populations of dark-eyed juncos ( Junco hyemalis) in Southern California. ROYAL SOCIETY OPEN SCIENCE 2022; 9:220178. [PMID: 35991329 PMCID: PMC9382223 DOI: 10.1098/rsos.220178] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/11/2022] [Accepted: 07/22/2022] [Indexed: 05/10/2023]
Abstract
Urbanization can affect species communication by introducing new selection pressures, such as noise pollution and different environmental transmission properties. These selection pressures can trigger divergence between urban and non-urban populations. Songbirds rely on vocalizations to defend territories and attract mates. Urban songbirds have been shown in some species and some populations to increase the frequencies, reduce the length and change other temporal features of their songs. This study compares songs from four urban and three non-urban populations of dark-eyed juncos (Junco hyemalis) throughout Southern California. We examined song length, trill rate, minimum frequency, maximum frequency, peak frequency and frequency bandwidth. We also compared songs recorded from one urban junco population in San Diego nearly two decades ago with recently collected data in 2018-2020. Over all comparisons, we only found significant differences between UCLA and the 2006/2007 UCSD field seasons in minimum and maximum frequencies. These findings partially support and are partially in contrast to previous urban song studies. As urban areas expand, more opportunities will arise to understand urban song divergence in greater detail.
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Affiliation(s)
- Felisha Wong
- Department of Ecology and Evolutionary Biology, University of California, Los Angeles, CA 90095, USA
| | - Eleanor S. Diamant
- Department of Ecology and Evolutionary Biology, University of California, Los Angeles, CA 90095, USA
| | - Marlene Walters
- Department of Ecology and Evolutionary Biology, University of California, Los Angeles, CA 90095, USA
| | - Pamela J. Yeh
- Department of Ecology and Evolutionary Biology, University of California, Los Angeles, CA 90095, USA
- Santa Fe Institute, Santa Fe, NM 87501, USA
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Wong F, Diamant ES, Walters M, Yeh PJ. No evidence of repeated song divergence across multiple urban and non-urban populations of dark-eyed juncos ( Junco hyemalis) in Southern California. ROYAL SOCIETY OPEN SCIENCE 2022; 9:220178. [PMID: 35991329 DOI: 10.6084/m9.figshare.c.6125253] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Received: 02/11/2022] [Accepted: 07/22/2022] [Indexed: 05/25/2023]
Abstract
Urbanization can affect species communication by introducing new selection pressures, such as noise pollution and different environmental transmission properties. These selection pressures can trigger divergence between urban and non-urban populations. Songbirds rely on vocalizations to defend territories and attract mates. Urban songbirds have been shown in some species and some populations to increase the frequencies, reduce the length and change other temporal features of their songs. This study compares songs from four urban and three non-urban populations of dark-eyed juncos (Junco hyemalis) throughout Southern California. We examined song length, trill rate, minimum frequency, maximum frequency, peak frequency and frequency bandwidth. We also compared songs recorded from one urban junco population in San Diego nearly two decades ago with recently collected data in 2018-2020. Over all comparisons, we only found significant differences between UCLA and the 2006/2007 UCSD field seasons in minimum and maximum frequencies. These findings partially support and are partially in contrast to previous urban song studies. As urban areas expand, more opportunities will arise to understand urban song divergence in greater detail.
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Affiliation(s)
- Felisha Wong
- Department of Ecology and Evolutionary Biology, University of California, Los Angeles, CA 90095, USA
| | - Eleanor S Diamant
- Department of Ecology and Evolutionary Biology, University of California, Los Angeles, CA 90095, USA
| | - Marlene Walters
- Department of Ecology and Evolutionary Biology, University of California, Los Angeles, CA 90095, USA
| | - Pamela J Yeh
- Department of Ecology and Evolutionary Biology, University of California, Los Angeles, CA 90095, USA
- Santa Fe Institute, Santa Fe, NM 87501, USA
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Brewer DE, Fudickar AM. A preliminary comparison of a songbird's song repertoire size and other song measures between an urban and a rural site. Ecol Evol 2022; 12:e8602. [PMID: 35222968 PMCID: PMC8848481 DOI: 10.1002/ece3.8602] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/23/2021] [Revised: 12/21/2021] [Accepted: 01/14/2022] [Indexed: 11/08/2022] Open
Abstract
Characteristics of birdsong, especially minimum frequency, have been shown to vary for some species between urban and rural populations and along urban-rural gradients. However, few urban-rural comparisons of song complexity-and none that we know of based on the number of distinct song types in repertoires-have occurred. Given the potential ability of song repertoire size to indicate bird condition, we primarily sought to determine if number of distinct song types displayed by Song Sparrows (Melospiza melodia) varied between an urban and a rural site. We determined song repertoire size of 24 individuals; 12 were at an urban ('human-dominated') site and 12 were at a rural ('agricultural') site. Then, we compared song repertoire size, note rate, and peak frequency between these sites. Song repertoire size and note rate did not vary between our human-dominated and agricultural sites. Peak frequency was greater at the agricultural site. Our finding that peak frequency was higher at the agricultural site compared to the human-dominated site, contrary to many previous findings pertaining to frequency shifts in songbirds, warrants further investigation. Results of our pilot study suggest that song complexity may be less affected by anthropogenic factors in Song Sparrows than are frequency characteristics. Additional study, however, will be required to identify particular causal factors related to the trends that we report and to replicate, ideally via multiple urban-rural pairings, so that broader generalization is possible.
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Affiliation(s)
- Dustin E. Brewer
- Environmental Resilience InstituteIndiana UniversityBloomingtonIndianaUSA
- Present address:
Central Michigan UniversityMount PleasantMichiganUSA
| | - Adam M. Fudickar
- Environmental Resilience InstituteIndiana UniversityBloomingtonIndianaUSA
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Abstract
Urbanization poses a major threat to biodiversity worldwide. We focused on birds as a well-studied taxon of interest, in order to review literature on traits that influence responses to urbanization. We review 226 papers that were published between 1979 and 2020, and aggregate information on five major groups of traits that have been widely studied: ecological traits, life history, physiology, behavior and genetic traits. Some robust findings on trait changes in individual species as well as bird communities emerge. A lack of specific food and shelter resources has led to the urban bird community being dominated by generalist species, while specialist species show decline. Urbanized birds differ in the behavioral traits, showing an increase in song frequency and amplitude, and bolder behavior, as compared to rural populations of the same species. Differential food resources and predatory pressure results in changes in life history traits, including prolonged breeding duration, and increases in clutch and brood size to compensate for lower survival. Other species-specific changes include changes in hormonal state, body state, and genetic differences from rural populations. We identify gaps in research, with a paucity of studies in tropical cities and a need for greater examination of traits that influence persistence and success in native vs. introduced populations.
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LaZerte SE, Slabbekoorn H, Otter KA. A field test of the audibility of urban versus rural songs in mountain chickadees. Ethology 2019. [DOI: 10.1111/eth.12876] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Stefanie E. LaZerte
- Natural Resources and Environmental Studies University of Northern British Columbia Prince George British Columbia Canada
- John R. Brodie Science Centre, Department of Biology Brandon University Brandon Manitoba Canada
| | - Hans Slabbekoorn
- Behavioural Biology, Institute of Biology Leiden University Leiden The Netherlands
| | - Ken A. Otter
- Natural Resources and Environmental Studies University of Northern British Columbia Prince George British Columbia Canada
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HILL SD, ARYAL A, PAWLEY MDM, JI W. So much for the city: Urban-rural song variation in a widespread Asiatic songbird. Integr Zool 2018; 13:194-205. [DOI: 10.1111/1749-4877.12284] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
Affiliation(s)
- Samuel D. HILL
- Human-Wildlife Interactions Research Group, Institute of Natural and Mathematical Sciences; Massey University; Auckland New Zealand
| | - Achyut ARYAL
- Human-Wildlife Interactions Research Group, Institute of Natural and Mathematical Sciences; Massey University; Auckland New Zealand
- School of Life and Environmental Sciences, Faculty of Science; University of Sydney; Sydney Australia
- Department of Forestry and Resource Management; Toi Ohomai Institute of Technology; Rotorua New Zealand
| | - Matthew D. M. PAWLEY
- Institute of Natural and Mathematical Sciences; Massey University; Auckland New Zealand
| | - Weihong JI
- Human-Wildlife Interactions Research Group, Institute of Natural and Mathematical Sciences; Massey University; Auckland New Zealand
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Ríos-Chelén AA, McDonald AN, Berger A, Perry AC, Krakauer AH, Patricelli GL. Do birds vocalize at higher pitch in noise, or is it a matter of measurement? Behav Ecol Sociobiol 2016. [DOI: 10.1007/s00265-016-2243-7] [Citation(s) in RCA: 25] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
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Caldart VM, Iop S, Lingnau R, Cechin SZ. Communication in a noisy environment: short-term acoustic adjustments and the underlying acoustic niche of a Neotropical stream-breeding frog. Acta Ethol 2016. [DOI: 10.1007/s10211-016-0235-2] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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Narango DL, Rodewald AD. Urban-associated drivers of song variation along a rural–urban gradient. Behav Ecol 2015. [DOI: 10.1093/beheco/arv197] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022] Open
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Shannon G, McKenna MF, Angeloni LM, Crooks KR, Fristrup KM, Brown E, Warner KA, Nelson MD, White C, Briggs J, McFarland S, Wittemyer G. A synthesis of two decades of research documenting the effects of noise on wildlife. Biol Rev Camb Philos Soc 2015; 91:982-1005. [DOI: 10.1111/brv.12207] [Citation(s) in RCA: 392] [Impact Index Per Article: 43.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/01/2014] [Revised: 05/28/2015] [Accepted: 06/05/2015] [Indexed: 11/29/2022]
Affiliation(s)
- Graeme Shannon
- Department of Fish, Wildlife, and Conservation Biology; Colorado State University; Fort Collins CO 80523 U.S.A
| | - Megan F. McKenna
- Natural Sounds and Night Skies Division; National Park Service; Fort Collins CO 80525 U.S.A
| | - Lisa M. Angeloni
- Department of Biology; Colorado State University; Fort Collins CO 80523 U.S.A
| | - Kevin R. Crooks
- Department of Fish, Wildlife, and Conservation Biology; Colorado State University; Fort Collins CO 80523 U.S.A
| | - Kurt M. Fristrup
- Natural Sounds and Night Skies Division; National Park Service; Fort Collins CO 80525 U.S.A
| | - Emma Brown
- Natural Sounds and Night Skies Division; National Park Service; Fort Collins CO 80525 U.S.A
| | - Katy A. Warner
- Department of Fish, Wildlife, and Conservation Biology; Colorado State University; Fort Collins CO 80523 U.S.A
| | - Misty D. Nelson
- Department of Fish, Wildlife, and Conservation Biology; Colorado State University; Fort Collins CO 80523 U.S.A
| | - Cecilia White
- Department of Fish, Wildlife, and Conservation Biology; Colorado State University; Fort Collins CO 80523 U.S.A
| | - Jessica Briggs
- Department of Fish, Wildlife, and Conservation Biology; Colorado State University; Fort Collins CO 80523 U.S.A
| | - Scott McFarland
- Department of Fish, Wildlife, and Conservation Biology; Colorado State University; Fort Collins CO 80523 U.S.A
| | - George Wittemyer
- Department of Fish, Wildlife, and Conservation Biology; Colorado State University; Fort Collins CO 80523 U.S.A
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