A potential mate influences reproductive development in female, but not male, pine siskins
The role of photoperiod in avian reproductive timing has been well studied, and we are increasingly recognizing the roles of other environmental cues such as social cues. However, few studies have evaluated the extent to which males and females of the same species respond similarly to the same type...
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description | The role of photoperiod in avian reproductive timing has been well studied, and we are increasingly recognizing the roles of other environmental cues such as social cues. However, few studies have evaluated the extent to which males and females of the same species respond similarly to the same type of cue. Moreover, previous studies have rarely examined how variation in the quality or nature of a given social cue might modulate its effect. Here, we examine the sensitivity of male and female pine siskins (Spinus pinus) to a potential mate as a stimulatory cue for gonadal recrudescence, and we investigate whether variation in the relationship between a bird and its potential mate modulates the effect of that potential mate. Birds were initially housed without opposite sex birds on a 12L:12D photoperiod with ad libitum food. After gonadal recrudescence had begun males and females were randomly paired with an opposite sex bird or housed alone. An additional group of males was paired with estradiol-implanted females. In males, these social treatments had no effect on testis length, cloacal protuberance length, luteinizing hormone (LH) levels, or testosterone levels. In females, presence of a potential mate had a significant and positive effect on ovary score, defeathering of the brood patch, and LH levels. Among paired birds, the degree of affiliation within a pair corresponded to the extent of reproductive development in females, but not males. Thus, reproductive timing in females appears to be sensitive to both the presence of a potential mate and her relationship with him.
•We investigated the effect of a potential mate on gonadal recrudescence in pine siskins.•The presence of a mate enhanced gonadal recrudescence in females, but not males.•The degree of affiliation of a pair may modulate the effect of a mate in females. |
doi_str_mv | 10.1016/j.yhbeh.2016.01.006 |
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•We investigated the effect of a potential mate on gonadal recrudescence in pine siskins.•The presence of a mate enhanced gonadal recrudescence in females, but not males.•The degree of affiliation of a pair may modulate the effect of a mate in females.</description><identifier>ISSN: 0018-506X</identifier><identifier>EISSN: 1095-6867</identifier><identifier>DOI: 10.1016/j.yhbeh.2016.01.006</identifier><identifier>PMID: 26836771</identifier><language>eng</language><publisher>United States: Elsevier Inc</publisher><subject>Affiliation ; Animal populations ; Animal reproduction ; Animals ; Birds ; Breeding ; Cloaca - growth & development ; Environmental cues ; Female ; Females ; Luteinizing hormone ; Luteinizing Hormone - blood ; Male ; Males ; Ovary - growth & development ; Pair Bond ; Pair formation ; Photoperiod ; Pinus ; Reproductive timing ; Sex differences ; Sexual Behavior, Animal - physiology ; Social cues ; Social Environment ; Songbirds - physiology ; Testis - growth & development ; Testosterone - blood</subject><ispartof>Hormones and behavior, 2016-04, Vol.80, p.39-46</ispartof><rights>2016 Elsevier Inc.</rights><rights>Copyright © 2016 Elsevier Inc. All rights reserved.</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c520t-65851351b1bed02859beb152fc7bac085c27ca43001ba9788e0499653aadbd693</citedby><cites>FETCH-LOGICAL-c520t-65851351b1bed02859beb152fc7bac085c27ca43001ba9788e0499653aadbd693</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://dx.doi.org/10.1016/j.yhbeh.2016.01.006$$EHTML$$P50$$Gelsevier$$H</linktohtml><link.rule.ids>230,314,780,784,885,3550,27924,27925,45995</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/26836771$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Watts, Heather E.</creatorcontrib><creatorcontrib>Edley, Bruce</creatorcontrib><creatorcontrib>Hahn, Thomas P.</creatorcontrib><title>A potential mate influences reproductive development in female, but not male, pine siskins</title><title>Hormones and behavior</title><addtitle>Horm Behav</addtitle><description>The role of photoperiod in avian reproductive timing has been well studied, and we are increasingly recognizing the roles of other environmental cues such as social cues. However, few studies have evaluated the extent to which males and females of the same species respond similarly to the same type of cue. Moreover, previous studies have rarely examined how variation in the quality or nature of a given social cue might modulate its effect. Here, we examine the sensitivity of male and female pine siskins (Spinus pinus) to a potential mate as a stimulatory cue for gonadal recrudescence, and we investigate whether variation in the relationship between a bird and its potential mate modulates the effect of that potential mate. Birds were initially housed without opposite sex birds on a 12L:12D photoperiod with ad libitum food. After gonadal recrudescence had begun males and females were randomly paired with an opposite sex bird or housed alone. An additional group of males was paired with estradiol-implanted females. In males, these social treatments had no effect on testis length, cloacal protuberance length, luteinizing hormone (LH) levels, or testosterone levels. In females, presence of a potential mate had a significant and positive effect on ovary score, defeathering of the brood patch, and LH levels. Among paired birds, the degree of affiliation within a pair corresponded to the extent of reproductive development in females, but not males. Thus, reproductive timing in females appears to be sensitive to both the presence of a potential mate and her relationship with him.
•We investigated the effect of a potential mate on gonadal recrudescence in pine siskins.•The presence of a mate enhanced gonadal recrudescence in females, but not males.•The degree of affiliation of a pair may modulate the effect of a mate in females.</description><subject>Affiliation</subject><subject>Animal populations</subject><subject>Animal reproduction</subject><subject>Animals</subject><subject>Birds</subject><subject>Breeding</subject><subject>Cloaca - growth & development</subject><subject>Environmental cues</subject><subject>Female</subject><subject>Females</subject><subject>Luteinizing hormone</subject><subject>Luteinizing Hormone - blood</subject><subject>Male</subject><subject>Males</subject><subject>Ovary - growth & development</subject><subject>Pair Bond</subject><subject>Pair formation</subject><subject>Photoperiod</subject><subject>Pinus</subject><subject>Reproductive timing</subject><subject>Sex differences</subject><subject>Sexual Behavior, Animal - physiology</subject><subject>Social cues</subject><subject>Social Environment</subject><subject>Songbirds - physiology</subject><subject>Testis - growth & development</subject><subject>Testosterone - blood</subject><issn>0018-506X</issn><issn>1095-6867</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2016</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><recordid>eNqNkU9rFTEUxYMo9ln9BIIE3LhwxmRm8mcWFkqxVSh0o1C6CUnmji_PmcmYZB7025vpq0VdFFfhkN89ObkHodeUlJRQ_mFX3m4NbMsqi5LQkhD-BG0oaVnBJRdP0YYQKgtG-PURehHjLkvKmuY5Oqq4rLkQdINuTvHsE0zJ6QGPOgF2Uz8sMFmIOMAcfLfY5PaAO9jD4Ocxs5nBPYx6gPfYLAlPPuGDmt0EOLr4w03xJXrW6yHCq_vzGH07__T17HNxeXXx5ez0srCsIqngTDJaM2qogY5UkrUGDGVVb4XRlkhmK2F1U-f0RrdCSiBN23JWa92Zjrf1MTo5-M6LGaGzOWDQg5qDG3W4VV479ffN5Lbqu9-rRlIpSJMN3t0bBP9zgZjU6KKFYdAT-CUqKiSrmlYy9h-oEK2sWrqib_9Bd34JU97ESnFeUXZnWB8oG3yMAfqH3JSotWa1U3c1q7VmRajKNeepN39--WHmd68Z-HgAIC9-7yCoaN1aaucC2KQ67x594Be24bpa</recordid><startdate>20160401</startdate><enddate>20160401</enddate><creator>Watts, Heather E.</creator><creator>Edley, Bruce</creator><creator>Hahn, Thomas P.</creator><general>Elsevier Inc</general><general>Elsevier BV</general><scope>CGR</scope><scope>CUY</scope><scope>CVF</scope><scope>ECM</scope><scope>EIF</scope><scope>NPM</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7QG</scope><scope>7TK</scope><scope>K9.</scope><scope>7X8</scope><scope>5PM</scope></search><sort><creationdate>20160401</creationdate><title>A potential mate influences reproductive development in female, but not male, pine siskins</title><author>Watts, Heather E. ; Edley, Bruce ; Hahn, Thomas P.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c520t-65851351b1bed02859beb152fc7bac085c27ca43001ba9788e0499653aadbd693</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2016</creationdate><topic>Affiliation</topic><topic>Animal populations</topic><topic>Animal reproduction</topic><topic>Animals</topic><topic>Birds</topic><topic>Breeding</topic><topic>Cloaca - growth & development</topic><topic>Environmental cues</topic><topic>Female</topic><topic>Females</topic><topic>Luteinizing hormone</topic><topic>Luteinizing Hormone - blood</topic><topic>Male</topic><topic>Males</topic><topic>Ovary - growth & development</topic><topic>Pair Bond</topic><topic>Pair formation</topic><topic>Photoperiod</topic><topic>Pinus</topic><topic>Reproductive timing</topic><topic>Sex differences</topic><topic>Sexual Behavior, Animal - physiology</topic><topic>Social cues</topic><topic>Social Environment</topic><topic>Songbirds - physiology</topic><topic>Testis - growth & development</topic><topic>Testosterone - blood</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Watts, Heather E.</creatorcontrib><creatorcontrib>Edley, Bruce</creatorcontrib><creatorcontrib>Hahn, Thomas P.</creatorcontrib><collection>Medline</collection><collection>MEDLINE</collection><collection>MEDLINE (Ovid)</collection><collection>MEDLINE</collection><collection>MEDLINE</collection><collection>PubMed</collection><collection>CrossRef</collection><collection>Animal Behavior Abstracts</collection><collection>Neurosciences Abstracts</collection><collection>ProQuest Health & Medical Complete (Alumni)</collection><collection>MEDLINE - Academic</collection><collection>PubMed Central (Full Participant titles)</collection><jtitle>Hormones and behavior</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Watts, Heather E.</au><au>Edley, Bruce</au><au>Hahn, Thomas P.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>A potential mate influences reproductive development in female, but not male, pine siskins</atitle><jtitle>Hormones and behavior</jtitle><addtitle>Horm Behav</addtitle><date>2016-04-01</date><risdate>2016</risdate><volume>80</volume><spage>39</spage><epage>46</epage><pages>39-46</pages><issn>0018-506X</issn><eissn>1095-6867</eissn><abstract>The role of photoperiod in avian reproductive timing has been well studied, and we are increasingly recognizing the roles of other environmental cues such as social cues. However, few studies have evaluated the extent to which males and females of the same species respond similarly to the same type of cue. Moreover, previous studies have rarely examined how variation in the quality or nature of a given social cue might modulate its effect. Here, we examine the sensitivity of male and female pine siskins (Spinus pinus) to a potential mate as a stimulatory cue for gonadal recrudescence, and we investigate whether variation in the relationship between a bird and its potential mate modulates the effect of that potential mate. Birds were initially housed without opposite sex birds on a 12L:12D photoperiod with ad libitum food. After gonadal recrudescence had begun males and females were randomly paired with an opposite sex bird or housed alone. An additional group of males was paired with estradiol-implanted females. In males, these social treatments had no effect on testis length, cloacal protuberance length, luteinizing hormone (LH) levels, or testosterone levels. In females, presence of a potential mate had a significant and positive effect on ovary score, defeathering of the brood patch, and LH levels. Among paired birds, the degree of affiliation within a pair corresponded to the extent of reproductive development in females, but not males. Thus, reproductive timing in females appears to be sensitive to both the presence of a potential mate and her relationship with him.
•We investigated the effect of a potential mate on gonadal recrudescence in pine siskins.•The presence of a mate enhanced gonadal recrudescence in females, but not males.•The degree of affiliation of a pair may modulate the effect of a mate in females.</abstract><cop>United States</cop><pub>Elsevier Inc</pub><pmid>26836771</pmid><doi>10.1016/j.yhbeh.2016.01.006</doi><tpages>8</tpages><oa>free_for_read</oa></addata></record> |
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subjects | Affiliation Animal populations Animal reproduction Animals Birds Breeding Cloaca - growth & development Environmental cues Female Females Luteinizing hormone Luteinizing Hormone - blood Male Males Ovary - growth & development Pair Bond Pair formation Photoperiod Pinus Reproductive timing Sex differences Sexual Behavior, Animal - physiology Social cues Social Environment Songbirds - physiology Testis - growth & development Testosterone - blood |
title | A potential mate influences reproductive development in female, but not male, pine siskins |
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