Sexual dimorphism of the second-to-fourth digit length ratio (2D : 4D) in the Strawberry Poison Dart Frog (Oophaga pumilio) in Costa Rica

Chang (Stynoski), Jennifer Lynn

Bibliographic Details
Author: Stynoski, Jennifer Lynn
Format: article
Publication Date:2008
Country:Costa Rica
Institution:Universidad de Costa Rica
Repository:Kérwá
OAI Identifier:oai:kerwa.ucr.ac.cr:10669/76928
Online Access:https://bioone.org/journals/Journal-of-Herpetology/volume-42/issue-2/07-153.1/Sexual-Dimorphism-of-the-Second-to-Fourth-Digit-Length-Ratio/10.1670/07-153.1.short
https://hdl.handle.net/10669/76928
Access Level:Embargoed access
Keyword:Strawberry Poison Dart Frog
Costa Rica
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dc.title.es_ES.fl_str_mv Sexual dimorphism of the second-to-fourth digit length ratio (2D : 4D) in the Strawberry Poison Dart Frog (Oophaga pumilio) in Costa Rica
title Sexual dimorphism of the second-to-fourth digit length ratio (2D : 4D) in the Strawberry Poison Dart Frog (Oophaga pumilio) in Costa Rica
spellingShingle Sexual dimorphism of the second-to-fourth digit length ratio (2D : 4D) in the Strawberry Poison Dart Frog (Oophaga pumilio) in Costa Rica
Stynoski, Jennifer Lynn
Strawberry Poison Dart Frog
Costa Rica
title_short Sexual dimorphism of the second-to-fourth digit length ratio (2D : 4D) in the Strawberry Poison Dart Frog (Oophaga pumilio) in Costa Rica
title_full Sexual dimorphism of the second-to-fourth digit length ratio (2D : 4D) in the Strawberry Poison Dart Frog (Oophaga pumilio) in Costa Rica
title_fullStr Sexual dimorphism of the second-to-fourth digit length ratio (2D : 4D) in the Strawberry Poison Dart Frog (Oophaga pumilio) in Costa Rica
title_full_unstemmed Sexual dimorphism of the second-to-fourth digit length ratio (2D : 4D) in the Strawberry Poison Dart Frog (Oophaga pumilio) in Costa Rica
title_sort Sexual dimorphism of the second-to-fourth digit length ratio (2D : 4D) in the Strawberry Poison Dart Frog (Oophaga pumilio) in Costa Rica
dc.creator.none.fl_str_mv Stynoski, Jennifer Lynn
author Stynoski, Jennifer Lynn
author_facet Stynoski, Jennifer Lynn
author_role author
dc.subject.es_ES.fl_str_mv Strawberry Poison Dart Frog
Costa Rica
topic Strawberry Poison Dart Frog
Costa Rica
description Chang (Stynoski), Jennifer Lynn
publishDate 2008
dc.date.issued.none.fl_str_mv 2008
dc.date.accessioned.none.fl_str_mv 2019-05-07T19:46:00Z
dc.date.available.none.fl_str_mv 2019-05-07T19:46:00Z
dc.type.none.fl_str_mv artículo original
http://purl.org/coar/resource_type/c_2df8fbb1
info:eu-repo/semantics/article
format article
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dc.identifier.issn.none.fl_str_mv 0022-1511
1937-2418
dc.identifier.uri.none.fl_str_mv https://hdl.handle.net/10669/76928
dc.identifier.doi.none.fl_str_mv 10.1670/07-153.1
url https://bioone.org/journals/Journal-of-Herpetology/volume-42/issue-2/07-153.1/Sexual-Dimorphism-of-the-Second-to-Fourth-Digit-Length-Ratio/10.1670/07-153.1.short
https://hdl.handle.net/10669/76928
identifier_str_mv 0022-1511
1937-2418
10.1670/07-153.1
dc.language.iso.es_ES.fl_str_mv en_US
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eu_rights_str_mv embargoedAccess
dc.source.es_ES.fl_str_mv Journal of Herpetology, vol. 42(2), pp.414-416
dc.source.none.fl_str_mv reponame:Kérwá
instname:Universidad de Costa Rica
instacron:UCR
instname_str Universidad de Costa Rica
instacron_str UCR
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spelling Stynoski, Jennifer Lynn122054fd-e442-411a-ba17-0c206775765a2019-05-07T19:46:00Z2019-05-07T19:46:00Z2008https://bioone.org/journals/Journal-of-Herpetology/volume-42/issue-2/07-153.1/Sexual-Dimorphism-of-the-Second-to-Fourth-Digit-Length-Ratio/10.1670/07-153.1.short0022-15111937-2418https://hdl.handle.net/10669/7692810.1670/07-153.1Chang (Stynoski), Jennifer LynnThe second-to-fourth digit ratio (2D : 4D) is a well-studied sexual dimorphism that likely arises as a result of prenatal androgenic effects on homeobox gene expression. This dimorphism has been found to exhibit interesting phylogenetic patterns in which females have larger ratios than males among most mammalian species and males have larger ratios than females in most avian and reptilian species. Digit ratio has not been measured in more basal taxa such as amphibians. In this study, 2D : 4D and snout–vent length (SVL) were measured in 40 male and 44 female adult Oophaga [=Dendrobates] pumilio frogs to investigate the existence and patterning of sexual dimorphism. The 2D : 4D of the rear feet varied significantly by sex with males having a larger ratio than females. The digit ratio of the front feet did not differ between the sexes. SVL or its interaction with sex did not affect 2D : 4D on any of the feet. These results indicate that 2D : 4D in an anuran is both sexually dimorphic and follows a pattern between the sexes similar to that of diapsid species. A potential application of 2D : 4D to environmental monitoring is also discussed.UCR::Vicerrectoría de Docencia::Ciencias Básicas::Facultad de Ciencias::Escuela de Biologíaen_USacceso embargadohttp://purl.org/coar/access_right/c_f1cfinfo:eu-repo/semantics/embargoedAccessJournal of Herpetology, vol. 42(2), pp.414-416reponame:Kérwáinstname:Universidad de Costa Ricainstacron:UCRStrawberry Poison Dart FrogCosta RicaSexual dimorphism of the second-to-fourth digit length ratio (2D : 4D) in the Strawberry Poison Dart Frog (Oophaga pumilio) in Costa Ricaartículo originalhttp://purl.org/coar/resource_type/c_2df8fbb1info:eu-repo/semantics/articleORIGINALChang 2008.pdfChang 2008.pdfArtículo principalapplication/pdf108448https://www.kerwa.ucr.ac.cr/bitstreams/1b87b111-2bf3-4739-bf40-e50d3641f329/download083cb32a14331cc6a6713342ac3891e3MD51LICENSElicense.txtlicense.txttext/plain; charset=utf-81748https://www.kerwa.ucr.ac.cr/bitstreams/2d81cb93-752c-4a31-a995-586559c2b3e0/download8a4605be74aa9ea9d79846c1fba20a33MD52TEXTChang 2008.pdf.txtChang 2008.pdf.txtExtracted texttext/plain15375https://www.kerwa.ucr.ac.cr/bitstreams/9fcbfb08-7edb-4a09-8640-0a257869c9ce/download2d6941ee508bc79c4472d1dcee23a8a8MD53THUMBNAILChang 2008.pdf.jpgChang 2008.pdf.jpgGenerated Thumbnailimage/jpeg5017https://www.kerwa.ucr.ac.cr/bitstreams/bbe259aa-6394-4773-a804-d85b8a1928e4/download1a7fd936b8e4999b9f56e9c01ffc3277MD5410669/769282021-04-14 05:45:11.997embargo2150-05-01oai:kerwa.ucr.ac.cr:10669/76928https://www.kerwa.ucr.ac.crInstitucionalhttp://www.kerwa.ucr.ac.crUniversidadhttp://www.ucr.ac.crhttps://kerwa.ucr.ac.cr/oai/requestmeilyn.garro@ucr.ac.crCosta RicaNo aplicaNo aplicaNo aplicaopendoar:18712025-03-29T18:07:03.725Kérwá - Universidad de Costa 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