Vocal behaviour of Sclater’s Wrens, a duetting Neotropical songbird: repertoires, dawn chorus variation, and song sharing

Abstract Diverse evolutionary forces have promoted the great diversity of vocal behaviour found in birds. The description of such behaviour is crucial for understanding both selective and non-selective pressures shaping acoustic signals in birds and their role in ecological and evolutionary processes. Here, we describe the vocal behaviour of the Sclater’s Wren (Campylorhynchus rufinucha humilis), a songbird species that lives in Neotropical dry forests. Using active and passive acoustic monitoring, we quantified sex-specific solo song repertoires, described the acoustic structural characteristics of the songs, assessed vocal activity during the dawn chorus including calls, solo songs, duets and sex contribution to duet formation, and tested whether the degree of song sharing varied with geographical distance between neighbouring territories. Our results based on 24 pairs suggest that Sclater’s Wrens have sexually dimorphic songs, and that both females and males combine their songs to produce duets. Most duets are initiated by males and answered by females. Females have only one song type in their repertoire, while males have multiple song types with a finite repertoire size of 49.7 ± 8.8 (calculated with simple enumeration; n = 8) or 55.4 ± 16.1 (calculated with the capture–recapture technique; n = 19) song types on average per bird. The vocal activity during the morning resembles the pattern of dawn chorus, although individuals usually start vocalising after sunrise, with both sexes contributing to the vocal activity during the morning. We also found that the number of songs that two males share decreases as geographic distance increases between territories, suggesting that males learn their songs from their parents or neighbouring tutors, a learned behaviour important in intra-sexual interactions. Our study adds to the accounts of Neotropical bird species that have detailed vocal descriptions and will facilitate comparisons with other taxonomic groups within the Rufous-naped Wren complex, shedding light on taxonomic disputes. Ausführliche Beschreibung

Gespeichert in:

Autor*in:	Quiroz-Oliva, Marcos [verfasserIn] Sosa-López, J. Roberto

Format:	E-Artikel
Sprache:	Englisch

Erschienen:	2021

Schlagwörter:	Neotropics Song output Song sharing Female song Birdsong Biodiversity Active acoustic monitoring Passive acoustic monitoring

Anmerkung:	© Deutsche Ornithologen-Gesellschaft e.V. 2021

Übergeordnetes Werk:	Enthalten in: Journal für Ornithologie - Oxford : Blackwell, 1853, 163(2021), 1 vom: 20. Okt., Seite 121-136
Übergeordnetes Werk:	volume:163 ; year:2021 ; number:1 ; day:20 ; month:10 ; pages:121-136

Links:	Volltext

DOI / URN:	10.1007/s10336-021-01936-3

Katalog-ID:	SPR045973903

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allfields	10.1007/s10336-021-01936-3 doi (DE-627)SPR045973903 (SPR)s10336-021-01936-3-e DE-627 ger DE-627 rakwb eng Quiroz-Oliva, Marcos verfasserin aut Vocal behaviour of Sclater’s Wrens, a duetting Neotropical songbird: repertoires, dawn chorus variation, and song sharing 2021 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier © Deutsche Ornithologen-Gesellschaft e.V. 2021 Abstract Diverse evolutionary forces have promoted the great diversity of vocal behaviour found in birds. The description of such behaviour is crucial for understanding both selective and non-selective pressures shaping acoustic signals in birds and their role in ecological and evolutionary processes. Here, we describe the vocal behaviour of the Sclater’s Wren (Campylorhynchus rufinucha humilis), a songbird species that lives in Neotropical dry forests. Using active and passive acoustic monitoring, we quantified sex-specific solo song repertoires, described the acoustic structural characteristics of the songs, assessed vocal activity during the dawn chorus including calls, solo songs, duets and sex contribution to duet formation, and tested whether the degree of song sharing varied with geographical distance between neighbouring territories. Our results based on 24 pairs suggest that Sclater’s Wrens have sexually dimorphic songs, and that both females and males combine their songs to produce duets. Most duets are initiated by males and answered by females. Females have only one song type in their repertoire, while males have multiple song types with a finite repertoire size of 49.7 ± 8.8 (calculated with simple enumeration; n = 8) or 55.4 ± 16.1 (calculated with the capture–recapture technique; n = 19) song types on average per bird. The vocal activity during the morning resembles the pattern of dawn chorus, although individuals usually start vocalising after sunrise, with both sexes contributing to the vocal activity during the morning. We also found that the number of songs that two males share decreases as geographic distance increases between territories, suggesting that males learn their songs from their parents or neighbouring tutors, a learned behaviour important in intra-sexual interactions. Our study adds to the accounts of Neotropical bird species that have detailed vocal descriptions and will facilitate comparisons with other taxonomic groups within the Rufous-naped Wren complex, shedding light on taxonomic disputes. Neotropics (dpeaa)DE-He213 Song output (dpeaa)DE-He213 Song sharing (dpeaa)DE-He213 Female song (dpeaa)DE-He213 Birdsong (dpeaa)DE-He213 Biodiversity (dpeaa)DE-He213 Active acoustic monitoring (dpeaa)DE-He213 Passive acoustic monitoring (dpeaa)DE-He213 Sosa-López, J. Roberto (orcid)0000-0002-0120-0704 aut Enthalten in Journal für Ornithologie Oxford : Blackwell, 1853 163(2021), 1 vom: 20. Okt., Seite 121-136 (DE-627)323607284 (DE-600)2026338-7 1439-0361 nnns volume:163 year:2021 number:1 day:20 month:10 pages:121-136 https://dx.doi.org/10.1007/s10336-021-01936-3 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_105 GBV_ILN_120 GBV_ILN_138 GBV_ILN_152 GBV_ILN_161 GBV_ILN_171 GBV_ILN_187 GBV_ILN_206 GBV_ILN_224 GBV_ILN_250 GBV_ILN_281 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_702 GBV_ILN_2005 GBV_ILN_2009 GBV_ILN_2011 GBV_ILN_2055 GBV_ILN_2111 GBV_ILN_4305 AR 163 2021 1 20 10 121-136
spelling	10.1007/s10336-021-01936-3 doi (DE-627)SPR045973903 (SPR)s10336-021-01936-3-e DE-627 ger DE-627 rakwb eng Quiroz-Oliva, Marcos verfasserin aut Vocal behaviour of Sclater’s Wrens, a duetting Neotropical songbird: repertoires, dawn chorus variation, and song sharing 2021 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier © Deutsche Ornithologen-Gesellschaft e.V. 2021 Abstract Diverse evolutionary forces have promoted the great diversity of vocal behaviour found in birds. The description of such behaviour is crucial for understanding both selective and non-selective pressures shaping acoustic signals in birds and their role in ecological and evolutionary processes. Here, we describe the vocal behaviour of the Sclater’s Wren (Campylorhynchus rufinucha humilis), a songbird species that lives in Neotropical dry forests. Using active and passive acoustic monitoring, we quantified sex-specific solo song repertoires, described the acoustic structural characteristics of the songs, assessed vocal activity during the dawn chorus including calls, solo songs, duets and sex contribution to duet formation, and tested whether the degree of song sharing varied with geographical distance between neighbouring territories. Our results based on 24 pairs suggest that Sclater’s Wrens have sexually dimorphic songs, and that both females and males combine their songs to produce duets. Most duets are initiated by males and answered by females. Females have only one song type in their repertoire, while males have multiple song types with a finite repertoire size of 49.7 ± 8.8 (calculated with simple enumeration; n = 8) or 55.4 ± 16.1 (calculated with the capture–recapture technique; n = 19) song types on average per bird. The vocal activity during the morning resembles the pattern of dawn chorus, although individuals usually start vocalising after sunrise, with both sexes contributing to the vocal activity during the morning. We also found that the number of songs that two males share decreases as geographic distance increases between territories, suggesting that males learn their songs from their parents or neighbouring tutors, a learned behaviour important in intra-sexual interactions. Our study adds to the accounts of Neotropical bird species that have detailed vocal descriptions and will facilitate comparisons with other taxonomic groups within the Rufous-naped Wren complex, shedding light on taxonomic disputes. Neotropics (dpeaa)DE-He213 Song output (dpeaa)DE-He213 Song sharing (dpeaa)DE-He213 Female song (dpeaa)DE-He213 Birdsong (dpeaa)DE-He213 Biodiversity (dpeaa)DE-He213 Active acoustic monitoring (dpeaa)DE-He213 Passive acoustic monitoring (dpeaa)DE-He213 Sosa-López, J. Roberto (orcid)0000-0002-0120-0704 aut Enthalten in Journal für Ornithologie Oxford : Blackwell, 1853 163(2021), 1 vom: 20. Okt., Seite 121-136 (DE-627)323607284 (DE-600)2026338-7 1439-0361 nnns volume:163 year:2021 number:1 day:20 month:10 pages:121-136 https://dx.doi.org/10.1007/s10336-021-01936-3 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_105 GBV_ILN_120 GBV_ILN_138 GBV_ILN_152 GBV_ILN_161 GBV_ILN_171 GBV_ILN_187 GBV_ILN_206 GBV_ILN_224 GBV_ILN_250 GBV_ILN_281 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_702 GBV_ILN_2005 GBV_ILN_2009 GBV_ILN_2011 GBV_ILN_2055 GBV_ILN_2111 GBV_ILN_4305 AR 163 2021 1 20 10 121-136
allfields_unstemmed	10.1007/s10336-021-01936-3 doi (DE-627)SPR045973903 (SPR)s10336-021-01936-3-e DE-627 ger DE-627 rakwb eng Quiroz-Oliva, Marcos verfasserin aut Vocal behaviour of Sclater’s Wrens, a duetting Neotropical songbird: repertoires, dawn chorus variation, and song sharing 2021 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier © Deutsche Ornithologen-Gesellschaft e.V. 2021 Abstract Diverse evolutionary forces have promoted the great diversity of vocal behaviour found in birds. The description of such behaviour is crucial for understanding both selective and non-selective pressures shaping acoustic signals in birds and their role in ecological and evolutionary processes. Here, we describe the vocal behaviour of the Sclater’s Wren (Campylorhynchus rufinucha humilis), a songbird species that lives in Neotropical dry forests. Using active and passive acoustic monitoring, we quantified sex-specific solo song repertoires, described the acoustic structural characteristics of the songs, assessed vocal activity during the dawn chorus including calls, solo songs, duets and sex contribution to duet formation, and tested whether the degree of song sharing varied with geographical distance between neighbouring territories. Our results based on 24 pairs suggest that Sclater’s Wrens have sexually dimorphic songs, and that both females and males combine their songs to produce duets. Most duets are initiated by males and answered by females. Females have only one song type in their repertoire, while males have multiple song types with a finite repertoire size of 49.7 ± 8.8 (calculated with simple enumeration; n = 8) or 55.4 ± 16.1 (calculated with the capture–recapture technique; n = 19) song types on average per bird. The vocal activity during the morning resembles the pattern of dawn chorus, although individuals usually start vocalising after sunrise, with both sexes contributing to the vocal activity during the morning. We also found that the number of songs that two males share decreases as geographic distance increases between territories, suggesting that males learn their songs from their parents or neighbouring tutors, a learned behaviour important in intra-sexual interactions. Our study adds to the accounts of Neotropical bird species that have detailed vocal descriptions and will facilitate comparisons with other taxonomic groups within the Rufous-naped Wren complex, shedding light on taxonomic disputes. Neotropics (dpeaa)DE-He213 Song output (dpeaa)DE-He213 Song sharing (dpeaa)DE-He213 Female song (dpeaa)DE-He213 Birdsong (dpeaa)DE-He213 Biodiversity (dpeaa)DE-He213 Active acoustic monitoring (dpeaa)DE-He213 Passive acoustic monitoring (dpeaa)DE-He213 Sosa-López, J. Roberto (orcid)0000-0002-0120-0704 aut Enthalten in Journal für Ornithologie Oxford : Blackwell, 1853 163(2021), 1 vom: 20. Okt., Seite 121-136 (DE-627)323607284 (DE-600)2026338-7 1439-0361 nnns volume:163 year:2021 number:1 day:20 month:10 pages:121-136 https://dx.doi.org/10.1007/s10336-021-01936-3 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_105 GBV_ILN_120 GBV_ILN_138 GBV_ILN_152 GBV_ILN_161 GBV_ILN_171 GBV_ILN_187 GBV_ILN_206 GBV_ILN_224 GBV_ILN_250 GBV_ILN_281 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_702 GBV_ILN_2005 GBV_ILN_2009 GBV_ILN_2011 GBV_ILN_2055 GBV_ILN_2111 GBV_ILN_4305 AR 163 2021 1 20 10 121-136
allfieldsGer	10.1007/s10336-021-01936-3 doi (DE-627)SPR045973903 (SPR)s10336-021-01936-3-e DE-627 ger DE-627 rakwb eng Quiroz-Oliva, Marcos verfasserin aut Vocal behaviour of Sclater’s Wrens, a duetting Neotropical songbird: repertoires, dawn chorus variation, and song sharing 2021 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier © Deutsche Ornithologen-Gesellschaft e.V. 2021 Abstract Diverse evolutionary forces have promoted the great diversity of vocal behaviour found in birds. The description of such behaviour is crucial for understanding both selective and non-selective pressures shaping acoustic signals in birds and their role in ecological and evolutionary processes. Here, we describe the vocal behaviour of the Sclater’s Wren (Campylorhynchus rufinucha humilis), a songbird species that lives in Neotropical dry forests. Using active and passive acoustic monitoring, we quantified sex-specific solo song repertoires, described the acoustic structural characteristics of the songs, assessed vocal activity during the dawn chorus including calls, solo songs, duets and sex contribution to duet formation, and tested whether the degree of song sharing varied with geographical distance between neighbouring territories. Our results based on 24 pairs suggest that Sclater’s Wrens have sexually dimorphic songs, and that both females and males combine their songs to produce duets. Most duets are initiated by males and answered by females. Females have only one song type in their repertoire, while males have multiple song types with a finite repertoire size of 49.7 ± 8.8 (calculated with simple enumeration; n = 8) or 55.4 ± 16.1 (calculated with the capture–recapture technique; n = 19) song types on average per bird. The vocal activity during the morning resembles the pattern of dawn chorus, although individuals usually start vocalising after sunrise, with both sexes contributing to the vocal activity during the morning. We also found that the number of songs that two males share decreases as geographic distance increases between territories, suggesting that males learn their songs from their parents or neighbouring tutors, a learned behaviour important in intra-sexual interactions. Our study adds to the accounts of Neotropical bird species that have detailed vocal descriptions and will facilitate comparisons with other taxonomic groups within the Rufous-naped Wren complex, shedding light on taxonomic disputes. Neotropics (dpeaa)DE-He213 Song output (dpeaa)DE-He213 Song sharing (dpeaa)DE-He213 Female song (dpeaa)DE-He213 Birdsong (dpeaa)DE-He213 Biodiversity (dpeaa)DE-He213 Active acoustic monitoring (dpeaa)DE-He213 Passive acoustic monitoring (dpeaa)DE-He213 Sosa-López, J. Roberto (orcid)0000-0002-0120-0704 aut Enthalten in Journal für Ornithologie Oxford : Blackwell, 1853 163(2021), 1 vom: 20. Okt., Seite 121-136 (DE-627)323607284 (DE-600)2026338-7 1439-0361 nnns volume:163 year:2021 number:1 day:20 month:10 pages:121-136 https://dx.doi.org/10.1007/s10336-021-01936-3 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_105 GBV_ILN_120 GBV_ILN_138 GBV_ILN_152 GBV_ILN_161 GBV_ILN_171 GBV_ILN_187 GBV_ILN_206 GBV_ILN_224 GBV_ILN_250 GBV_ILN_281 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_702 GBV_ILN_2005 GBV_ILN_2009 GBV_ILN_2011 GBV_ILN_2055 GBV_ILN_2111 GBV_ILN_4305 AR 163 2021 1 20 10 121-136
allfieldsSound	10.1007/s10336-021-01936-3 doi (DE-627)SPR045973903 (SPR)s10336-021-01936-3-e DE-627 ger DE-627 rakwb eng Quiroz-Oliva, Marcos verfasserin aut Vocal behaviour of Sclater’s Wrens, a duetting Neotropical songbird: repertoires, dawn chorus variation, and song sharing 2021 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier © Deutsche Ornithologen-Gesellschaft e.V. 2021 Abstract Diverse evolutionary forces have promoted the great diversity of vocal behaviour found in birds. The description of such behaviour is crucial for understanding both selective and non-selective pressures shaping acoustic signals in birds and their role in ecological and evolutionary processes. Here, we describe the vocal behaviour of the Sclater’s Wren (Campylorhynchus rufinucha humilis), a songbird species that lives in Neotropical dry forests. Using active and passive acoustic monitoring, we quantified sex-specific solo song repertoires, described the acoustic structural characteristics of the songs, assessed vocal activity during the dawn chorus including calls, solo songs, duets and sex contribution to duet formation, and tested whether the degree of song sharing varied with geographical distance between neighbouring territories. Our results based on 24 pairs suggest that Sclater’s Wrens have sexually dimorphic songs, and that both females and males combine their songs to produce duets. Most duets are initiated by males and answered by females. Females have only one song type in their repertoire, while males have multiple song types with a finite repertoire size of 49.7 ± 8.8 (calculated with simple enumeration; n = 8) or 55.4 ± 16.1 (calculated with the capture–recapture technique; n = 19) song types on average per bird. The vocal activity during the morning resembles the pattern of dawn chorus, although individuals usually start vocalising after sunrise, with both sexes contributing to the vocal activity during the morning. We also found that the number of songs that two males share decreases as geographic distance increases between territories, suggesting that males learn their songs from their parents or neighbouring tutors, a learned behaviour important in intra-sexual interactions. Our study adds to the accounts of Neotropical bird species that have detailed vocal descriptions and will facilitate comparisons with other taxonomic groups within the Rufous-naped Wren complex, shedding light on taxonomic disputes. Neotropics (dpeaa)DE-He213 Song output (dpeaa)DE-He213 Song sharing (dpeaa)DE-He213 Female song (dpeaa)DE-He213 Birdsong (dpeaa)DE-He213 Biodiversity (dpeaa)DE-He213 Active acoustic monitoring (dpeaa)DE-He213 Passive acoustic monitoring (dpeaa)DE-He213 Sosa-López, J. Roberto (orcid)0000-0002-0120-0704 aut Enthalten in Journal für Ornithologie Oxford : Blackwell, 1853 163(2021), 1 vom: 20. Okt., Seite 121-136 (DE-627)323607284 (DE-600)2026338-7 1439-0361 nnns volume:163 year:2021 number:1 day:20 month:10 pages:121-136 https://dx.doi.org/10.1007/s10336-021-01936-3 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_105 GBV_ILN_120 GBV_ILN_138 GBV_ILN_152 GBV_ILN_161 GBV_ILN_171 GBV_ILN_187 GBV_ILN_206 GBV_ILN_224 GBV_ILN_250 GBV_ILN_281 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_702 GBV_ILN_2005 GBV_ILN_2009 GBV_ILN_2011 GBV_ILN_2055 GBV_ILN_2111 GBV_ILN_4305 AR 163 2021 1 20 10 121-136
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author	Quiroz-Oliva, Marcos
spellingShingle	Quiroz-Oliva, Marcos misc Neotropics misc Song output misc Song sharing misc Female song misc Birdsong misc Biodiversity misc Active acoustic monitoring misc Passive acoustic monitoring Vocal behaviour of Sclater’s Wrens, a duetting Neotropical songbird: repertoires, dawn chorus variation, and song sharing
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topic_title	Vocal behaviour of Sclater’s Wrens, a duetting Neotropical songbird: repertoires, dawn chorus variation, and song sharing Neotropics (dpeaa)DE-He213 Song output (dpeaa)DE-He213 Song sharing (dpeaa)DE-He213 Female song (dpeaa)DE-He213 Birdsong (dpeaa)DE-He213 Biodiversity (dpeaa)DE-He213 Active acoustic monitoring (dpeaa)DE-He213 Passive acoustic monitoring (dpeaa)DE-He213
topic	misc Neotropics misc Song output misc Song sharing misc Female song misc Birdsong misc Biodiversity misc Active acoustic monitoring misc Passive acoustic monitoring
topic_unstemmed	misc Neotropics misc Song output misc Song sharing misc Female song misc Birdsong misc Biodiversity misc Active acoustic monitoring misc Passive acoustic monitoring
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title	Vocal behaviour of Sclater’s Wrens, a duetting Neotropical songbird: repertoires, dawn chorus variation, and song sharing
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title_full	Vocal behaviour of Sclater’s Wrens, a duetting Neotropical songbird: repertoires, dawn chorus variation, and song sharing
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title_sort	vocal behaviour of sclater’s wrens, a duetting neotropical songbird: repertoires, dawn chorus variation, and song sharing
title_auth	Vocal behaviour of Sclater’s Wrens, a duetting Neotropical songbird: repertoires, dawn chorus variation, and song sharing
abstract	Abstract Diverse evolutionary forces have promoted the great diversity of vocal behaviour found in birds. The description of such behaviour is crucial for understanding both selective and non-selective pressures shaping acoustic signals in birds and their role in ecological and evolutionary processes. Here, we describe the vocal behaviour of the Sclater’s Wren (Campylorhynchus rufinucha humilis), a songbird species that lives in Neotropical dry forests. Using active and passive acoustic monitoring, we quantified sex-specific solo song repertoires, described the acoustic structural characteristics of the songs, assessed vocal activity during the dawn chorus including calls, solo songs, duets and sex contribution to duet formation, and tested whether the degree of song sharing varied with geographical distance between neighbouring territories. Our results based on 24 pairs suggest that Sclater’s Wrens have sexually dimorphic songs, and that both females and males combine their songs to produce duets. Most duets are initiated by males and answered by females. Females have only one song type in their repertoire, while males have multiple song types with a finite repertoire size of 49.7 ± 8.8 (calculated with simple enumeration; n = 8) or 55.4 ± 16.1 (calculated with the capture–recapture technique; n = 19) song types on average per bird. The vocal activity during the morning resembles the pattern of dawn chorus, although individuals usually start vocalising after sunrise, with both sexes contributing to the vocal activity during the morning. We also found that the number of songs that two males share decreases as geographic distance increases between territories, suggesting that males learn their songs from their parents or neighbouring tutors, a learned behaviour important in intra-sexual interactions. Our study adds to the accounts of Neotropical bird species that have detailed vocal descriptions and will facilitate comparisons with other taxonomic groups within the Rufous-naped Wren complex, shedding light on taxonomic disputes. © Deutsche Ornithologen-Gesellschaft e.V. 2021
abstractGer	Abstract Diverse evolutionary forces have promoted the great diversity of vocal behaviour found in birds. The description of such behaviour is crucial for understanding both selective and non-selective pressures shaping acoustic signals in birds and their role in ecological and evolutionary processes. Here, we describe the vocal behaviour of the Sclater’s Wren (Campylorhynchus rufinucha humilis), a songbird species that lives in Neotropical dry forests. Using active and passive acoustic monitoring, we quantified sex-specific solo song repertoires, described the acoustic structural characteristics of the songs, assessed vocal activity during the dawn chorus including calls, solo songs, duets and sex contribution to duet formation, and tested whether the degree of song sharing varied with geographical distance between neighbouring territories. Our results based on 24 pairs suggest that Sclater’s Wrens have sexually dimorphic songs, and that both females and males combine their songs to produce duets. Most duets are initiated by males and answered by females. Females have only one song type in their repertoire, while males have multiple song types with a finite repertoire size of 49.7 ± 8.8 (calculated with simple enumeration; n = 8) or 55.4 ± 16.1 (calculated with the capture–recapture technique; n = 19) song types on average per bird. The vocal activity during the morning resembles the pattern of dawn chorus, although individuals usually start vocalising after sunrise, with both sexes contributing to the vocal activity during the morning. We also found that the number of songs that two males share decreases as geographic distance increases between territories, suggesting that males learn their songs from their parents or neighbouring tutors, a learned behaviour important in intra-sexual interactions. Our study adds to the accounts of Neotropical bird species that have detailed vocal descriptions and will facilitate comparisons with other taxonomic groups within the Rufous-naped Wren complex, shedding light on taxonomic disputes. © Deutsche Ornithologen-Gesellschaft e.V. 2021
abstract_unstemmed	Abstract Diverse evolutionary forces have promoted the great diversity of vocal behaviour found in birds. The description of such behaviour is crucial for understanding both selective and non-selective pressures shaping acoustic signals in birds and their role in ecological and evolutionary processes. Here, we describe the vocal behaviour of the Sclater’s Wren (Campylorhynchus rufinucha humilis), a songbird species that lives in Neotropical dry forests. Using active and passive acoustic monitoring, we quantified sex-specific solo song repertoires, described the acoustic structural characteristics of the songs, assessed vocal activity during the dawn chorus including calls, solo songs, duets and sex contribution to duet formation, and tested whether the degree of song sharing varied with geographical distance between neighbouring territories. Our results based on 24 pairs suggest that Sclater’s Wrens have sexually dimorphic songs, and that both females and males combine their songs to produce duets. Most duets are initiated by males and answered by females. Females have only one song type in their repertoire, while males have multiple song types with a finite repertoire size of 49.7 ± 8.8 (calculated with simple enumeration; n = 8) or 55.4 ± 16.1 (calculated with the capture–recapture technique; n = 19) song types on average per bird. The vocal activity during the morning resembles the pattern of dawn chorus, although individuals usually start vocalising after sunrise, with both sexes contributing to the vocal activity during the morning. We also found that the number of songs that two males share decreases as geographic distance increases between territories, suggesting that males learn their songs from their parents or neighbouring tutors, a learned behaviour important in intra-sexual interactions. Our study adds to the accounts of Neotropical bird species that have detailed vocal descriptions and will facilitate comparisons with other taxonomic groups within the Rufous-naped Wren complex, shedding light on taxonomic disputes. © Deutsche Ornithologen-Gesellschaft e.V. 2021
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title_short	Vocal behaviour of Sclater’s Wrens, a duetting Neotropical songbird: repertoires, dawn chorus variation, and song sharing
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Females have only one song type in their repertoire, while males have multiple song types with a finite repertoire size of 49.7 ± 8.8 (calculated with simple enumeration; n = 8) or 55.4 ± 16.1 (calculated with the capture–recapture technique; n = 19) song types on average per bird. The vocal activity during the morning resembles the pattern of dawn chorus, although individuals usually start vocalising after sunrise, with both sexes contributing to the vocal activity during the morning. We also found that the number of songs that two males share decreases as geographic distance increases between territories, suggesting that males learn their songs from their parents or neighbouring tutors, a learned behaviour important in intra-sexual interactions. Our study adds to the accounts of Neotropical bird species that have detailed vocal descriptions and will facilitate comparisons with other taxonomic groups within the Rufous-naped Wren complex, shedding light on taxonomic disputes.</subfield></datafield><datafield tag="650" ind1=" " ind2="4"><subfield code="a">Neotropics</subfield><subfield code="7">(dpeaa)DE-He213</subfield></datafield><datafield tag="650" ind1=" " ind2="4"><subfield code="a">Song output</subfield><subfield code="7">(dpeaa)DE-He213</subfield></datafield><datafield tag="650" ind1=" " ind2="4"><subfield code="a">Song sharing</subfield><subfield code="7">(dpeaa)DE-He213</subfield></datafield><datafield tag="650" ind1=" " ind2="4"><subfield code="a">Female song</subfield><subfield code="7">(dpeaa)DE-He213</subfield></datafield><datafield tag="650" ind1=" " ind2="4"><subfield code="a">Birdsong</subfield><subfield code="7">(dpeaa)DE-He213</subfield></datafield><datafield tag="650" ind1=" " ind2="4"><subfield code="a">Biodiversity</subfield><subfield code="7">(dpeaa)DE-He213</subfield></datafield><datafield tag="650" ind1=" " ind2="4"><subfield code="a">Active acoustic monitoring</subfield><subfield code="7">(dpeaa)DE-He213</subfield></datafield><datafield tag="650" ind1=" " ind2="4"><subfield code="a">Passive acoustic monitoring</subfield><subfield code="7">(dpeaa)DE-He213</subfield></datafield><datafield tag="700" ind1="1" ind2=" "><subfield code="a">Sosa-López, J. Roberto</subfield><subfield code="0">(orcid)0000-0002-0120-0704</subfield><subfield code="4">aut</subfield></datafield><datafield tag="773" ind1="0" ind2="8"><subfield code="i">Enthalten in</subfield><subfield code="t">Journal für Ornithologie</subfield><subfield code="d">Oxford : Blackwell, 1853</subfield><subfield code="g">163(2021), 1 vom: 20. 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Vocal behaviour of Sclater’s Wrens, a duetting Neotropical songbird: repertoires, dawn chorus variation, and song sharing

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