LITTLE EVIDENCE FOR SYMPATRIC SPECIATION IN ISLAND BIRDS
Identifieur interne : 008E97 ( Main/Exploration ); précédent : 008E96; suivant : 008E98LITTLE EVIDENCE FOR SYMPATRIC SPECIATION IN ISLAND BIRDS
Auteurs : Jerry A. Coyne [États-Unis] ; Trevor D. Price [États-Unis]Source :
- Evolution [ 0014-3820 ] ; 2000-12.
Descripteurs français
English descriptors
- KwdEn :
- Adult males, Allopatric, Allopatric speciation, Allopatrically, Archipelago, Beaked, Beaked whale, Beaked whales, Brief communications, Bunting, Congener, Congeneric, Continental island, Densirostris, Dimorphic tusks, Double invasion, Endemic, Endemic congener, Endemic congeners, Endemic species, Extinct, Genus, Genus mesoplodon, Ightless rails, Land birds, Macleod, Mandible, Mandible length, Mead, Mesoplodon, Mesoplodon species, Nearest mainland, Oceanic, Oceanic islands, Phylogenetic, Phylogenetic analysis, Possible case, Rapa, Sexual selection, Sister species, Small archipelago, Small archipelagos, Speciation, Species recognition, Species recognition character, Steadman, Sympatric, Sympatric speciation, Taxon, Tristan, Tusk, Whale.
- Teeft :
- Adult males, Allopatric, Allopatric speciation, Allopatrically, Archipelago, Beaked, Beaked whale, Beaked whales, Brief communications, Bunting, Congener, Congeneric, Continental island, Densirostris, Dimorphic tusks, Double invasion, Endemic, Endemic congener, Endemic congeners, Endemic species, Extinct, Genus, Genus mesoplodon, Ightless rails, Land birds, Macleod, Mandible, Mandible length, Mead, Mesoplodon, Mesoplodon species, Nearest mainland, Oceanic, Oceanic islands, Phylogenetic, Phylogenetic analysis, Possible case, Rapa, Sexual selection, Sister species, Small archipelago, Small archipelagos, Speciation, Species recognition, Species recognition character, Steadman, Sympatric, Sympatric speciation, Taxon, Tristan, Tusk, Whale.
Abstract
It has been suggested that the presence of sister species in small circumscribed areas, such as isolated lakes or islands, might imply that these species originated sympatrically. To investigate this possibility in birds, we searched for endemic, congeneric species on isolated islands in the ocean. Among 46 islands and small archipelagos chosen because they contain at least one species of endemic land bird, we identified seven pairs of endemic congeners (excluding flightless rails). Of these seven, only four pairs are potentially sister species and thus possible candidates for sympatric speciation. However, three of these four pairs have always been considered the results of double invasion from a mainland source (in two of these cases, molecular‐phylogenetic work has either confirmed a double invasion or is ambiguous). The one remaining pair may have speciated allopatrically on a small archipelago. Additional phylogenetic studies are required to understand these cases, and our results should also be considered in light of the large number of island‐bird extinctions in historic time. We conclude that, at present, there is little evidence for sympatric speciation in island birds.
Url:
DOI: 10.1111/j.0014-3820.2000.tb01260.x
Affiliations:
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Coyne</name><affiliation wicri:level="3"><country wicri:rule="url">États-Unis</country><wicri:regionArea>Department of Ecology and Evolution, The University of Chicago, 1101 East 57 Street, Chicago</wicri:regionArea><placeName><settlement type="city">Chicago</settlement><region type="state">Illinois</region></placeName></affiliation></author><author><name sortKey="Price, Trevor D" sort="Price, Trevor D" uniqKey="Price T" first="Trevor D." last="Price">Trevor D. Price</name><affiliation wicri:level="1"><country wicri:rule="url">États-Unis</country><wicri:regionArea>Department of Biology 0116, The University of California at San Diego, La Jolla</wicri:regionArea><wicri:noRegion>La Jolla</wicri:noRegion></affiliation></author></analytic><monogr></monogr><series><title level="j" type="main">Evolution</title><title level="j" type="alt">EVOLUTION</title><idno type="ISSN">0014-3820</idno><idno type="eISSN">1558-5646</idno><imprint><biblScope unit="vol">54</biblScope><biblScope unit="issue">6</biblScope><biblScope unit="page" from="2166">2166</biblScope><biblScope unit="page" to="2171">2171</biblScope><biblScope unit="page-count">6</biblScope><publisher>Blackwell Publishing Ltd</publisher><pubPlace>Oxford, UK</pubPlace><date type="published" when="2000-12">2000-12</date></imprint><idno type="ISSN">0014-3820</idno></series></biblStruct></sourceDesc><seriesStmt><idno type="ISSN">0014-3820</idno></seriesStmt></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Adult males</term><term>Allopatric</term><term>Allopatric speciation</term><term>Allopatrically</term><term>Archipelago</term><term>Beaked</term><term>Beaked whale</term><term>Beaked whales</term><term>Brief communications</term><term>Bunting</term><term>Congener</term><term>Congeneric</term><term>Continental island</term><term>Densirostris</term><term>Dimorphic tusks</term><term>Double invasion</term><term>Endemic</term><term>Endemic congener</term><term>Endemic congeners</term><term>Endemic species</term><term>Extinct</term><term>Genus</term><term>Genus mesoplodon</term><term>Ightless rails</term><term>Land birds</term><term>Macleod</term><term>Mandible</term><term>Mandible length</term><term>Mead</term><term>Mesoplodon</term><term>Mesoplodon species</term><term>Nearest mainland</term><term>Oceanic</term><term>Oceanic islands</term><term>Phylogenetic</term><term>Phylogenetic analysis</term><term>Possible case</term><term>Rapa</term><term>Sexual selection</term><term>Sister species</term><term>Small archipelago</term><term>Small archipelagos</term><term>Speciation</term><term>Species recognition</term><term>Species recognition character</term><term>Steadman</term><term>Sympatric</term><term>Sympatric speciation</term><term>Taxon</term><term>Tristan</term><term>Tusk</term><term>Whale</term></keywords><keywords scheme="Teeft" xml:lang="en"><term>Adult males</term><term>Allopatric</term><term>Allopatric speciation</term><term>Allopatrically</term><term>Archipelago</term><term>Beaked</term><term>Beaked whale</term><term>Beaked whales</term><term>Brief communications</term><term>Bunting</term><term>Congener</term><term>Congeneric</term><term>Continental island</term><term>Densirostris</term><term>Dimorphic tusks</term><term>Double invasion</term><term>Endemic</term><term>Endemic congener</term><term>Endemic congeners</term><term>Endemic species</term><term>Extinct</term><term>Genus</term><term>Genus mesoplodon</term><term>Ightless rails</term><term>Land birds</term><term>Macleod</term><term>Mandible</term><term>Mandible length</term><term>Mead</term><term>Mesoplodon</term><term>Mesoplodon species</term><term>Nearest mainland</term><term>Oceanic</term><term>Oceanic islands</term><term>Phylogenetic</term><term>Phylogenetic analysis</term><term>Possible case</term><term>Rapa</term><term>Sexual selection</term><term>Sister species</term><term>Small archipelago</term><term>Small archipelagos</term><term>Speciation</term><term>Species recognition</term><term>Species recognition character</term><term>Steadman</term><term>Sympatric</term><term>Sympatric speciation</term><term>Taxon</term><term>Tristan</term><term>Tusk</term><term>Whale</term></keywords><keywords scheme="Wicri" type="topic" xml:lang="fr"><term>Archipel</term><term>Baleine</term></keywords></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">It has been suggested that the presence of sister species in small circumscribed areas, such as isolated lakes or islands, might imply that these species originated sympatrically. To investigate this possibility in birds, we searched for endemic, congeneric species on isolated islands in the ocean. Among 46 islands and small archipelagos chosen because they contain at least one species of endemic land bird, we identified seven pairs of endemic congeners (excluding flightless rails). Of these seven, only four pairs are potentially sister species and thus possible candidates for sympatric speciation. However, three of these four pairs have always been considered the results of double invasion from a mainland source (in two of these cases, molecular‐phylogenetic work has either confirmed a double invasion or is ambiguous). The one remaining pair may have speciated allopatrically on a small archipelago. Additional phylogenetic studies are required to understand these cases, and our results should also be considered in light of the large number of island‐bird extinctions in historic time. We conclude that, at present, there is little evidence for sympatric speciation in island birds.</div></front></TEI><affiliations><list><country><li>États-Unis</li></country><region><li>Illinois</li></region><settlement><li>Chicago</li></settlement></list><tree><country name="États-Unis"><region name="Illinois"><name sortKey="Coyne, Jerry A" sort="Coyne, Jerry A" uniqKey="Coyne J" first="Jerry A." last="Coyne">Jerry A. Coyne</name></region><name sortKey="Price, Trevor D" sort="Price, Trevor D" uniqKey="Price T" first="Trevor D." last="Price">Trevor D. Price</name></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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