{"refrec":{"BRefID":322915,"RR":"<b>Mays, H.L.; Oehler, D.A.; Morrison, K.W.; Morales, A.E.; Lycans, A.; Perdue, J.; Battley, P.F.; Cherel, Y.; Chilvers, B.L.; Crofts, S.; Demongin, L.; Fry, W.R.; Hiscock, J.; Kusch, A.; Marin, M.; Poisbleau, M.; Quillfeldt, P.; Rey, A.R.; Steinfurth, A.; Thompson, D.R.; Weakley, L.A.</b> (2019). Phylogeography, population structure, and species delimitation in rockhopper penguins (<i>Eudyptes chrysocome</i> and <i>Eudyptes moseleyi</i>). <i>J. Hered. 110(7)</i>: 801-817. <a href=\"https://dx.doi.org/10.1093/jhered/esz051\" target=\"_blank\">https://dx.doi.org/10.1093/jhered/esz051</a>","BEntID":316386,"PublicFlag":1,"CheckedFlag":1,"wosflag":1,"vabbflag":0,"RefStringPartII":". <i>J. Hered. 110(7)</i>: 801-817. <a href=\"https://dx.doi.org/10.1093/jhered/esz051\" target=\"_blank\">https://dx.doi.org/10.1093/jhered/esz051</a>","DocTypID":8,"DocType":"Journal article","MarineFlag":1,"FreshFlag":0,"BrackishFlag":0,"TerrestrialFlag":0,"Authorstring":"Mays, H.L.; Oehler, D.A.; Morrison, K.W.; Morales, A.E.; Lycans, A.; Perdue, J.; Battley, P.F.; Cherel, Y.; Chilvers, B.L.; Crofts, S.; Demongin, L.; Fry, W.R.; Hiscock, J.; Kusch, A.; Marin, M.; Poisbleau, M.; Quillfeldt, P.; Rey, A.R.; Steinfurth, A.; Thompson, D.R.; Weakley, L.A.","OrigTitleTranslFlag":0,"Authorstringtrunc":"Mays, H.L. <i>et al.</i>","Englishabstract":"Rockhopper penguins are delimited as 2 species, the northern rockhopper (<em>Eudyptes moseleyi</em>) and the southern rockhopper (<em>Eudyptes chrysocome</em>), with the latter comprising 2 subspecies, the western rockhopper (<em>Eudyptes chrysocome chrysocome</em>) and the eastern rockhopper (<em>Eudyptes chrysocome filholi</em>). We conducted a phylogeographic study using multilocus data from 114 individuals sampled across 12 colonies from the entire range of the northern/southern rockhopper complex to assess potential population structure, gene flow, and species limits. Bayesian and likelihood methods with nuclear and mitochondrial DNA, including model testing and heuristic approaches, support <em>E. moseleyi</em> and <em>E. chrysocome</em> as distinct species lineages with a divergence time of 0.97 Ma. However, these analyses also indicated the presence of gene flow between these species. Among southern rockhopper subspecies, we found evidence of significant gene flow and heuristic approaches to species delimitation based on the genealogical diversity index failed to delimit them as species. The best-supported population models for the southern rockhoppers were those where <em>E. c. chrysocome</em> and <em>E. c. filholi</em> were combined into a single lineage or 2 lineages with bidirectional gene flow. Additionally, we found that <em>E. c. filholi</em> has the highest effective population size while <em>E. c. chrysocome</em> showed similar effective population size to that of the endangered <em>E. moseleyi</em>. We suggest that the current taxonomic definitions within rockhopper penguins be upheld and that <em>E. chrysocome</em> populations, all found south of the subtropical front, should be treated as a single taxon with distinct management units for <em>E. c. chrysocome</em> and <em>E. c. filholi</em>.","AbstractOtherLang":null,"BibLvlCode":"AS","StandardTitle":"Phylogeography, population structure, and species delimitation in rockhopper penguins (<i>Eudyptes chrysocome</i> and <i>Eudyptes moseleyi</i>)","OrigTitleLangCode":"en","OrigTitleLangCodeExtended":"eng","OrigTitleLangID":15,"DateLastModified":{"date":"2026-06-08 01:31:18.690711","timezone_type":1,"timezone":"+02:00"},"UserAccessRight":null,"UserAccID":null,"AuthorKeywords":"Antarctic Circumpolar Current; conservation genetics; migration;Southern Ocean; speciation; subtropical front","OtherDescriptors":null,"Notes":null,"AnaPub":2019,"MonPub":null,"DateUpdate":"2020-04-23","DateCreate":"2020-04-07","SecASFANote":null,"ConfID":null,"PeerRev":1,"VlizCoreFlag":1,"WoScode":"WOS:000509541600005","VABBcode":null,"OpenAcc":0,"DOI":"10.1093/jhered/esz051"},"refs":null,"anarec":{"AnaID":322915,"PubliDate":2019,"Pagination":"801-817","XtraPublOfAnaID":null,"ISBN":null,"Volume":"110","Issue":"7","BRefMon":null,"BRefMonRR":null,"BRefXtra":null,"BRefXtraRR":null,"SerBRefID":43066,"SerRR":"Journal of Heredity. 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