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Two new species of flightless rails (Aves : Rallidae) from the Middle Pleistocene "crane fauna" of Bermuda

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dc.contributor.author Olson, Storrs L. en
dc.contributor.author Wingate, D. B. en
dc.date.accessioned 2007-06-11T19:05:23Z
dc.date.available 2007-06-11T19:05:23Z
dc.date.issued 2000
dc.identifier.citation Olson, Storrs L. and Wingate, D. B. 2000. "<a href="https%3A%2F%2Frepository.si.edu%2Fhandle%2F10088%2F1765">Two new species of flightless rails (Aves : Rallidae) from the Middle Pleistocene 'crane fauna' of Bermuda</a>." <em>Proceedings of the Biological Society of Washington</em>. 113 (2):356&ndash;368. en
dc.identifier.issn 0006-324X
dc.identifier.uri http://hdl.handle.net/10088/1765
dc.description.abstract Two new species of flightless rails are described from a Pleistocene fauna in Bermuda that also includes an extinct crane (Cnrs latipes) and an extinct duck (Anas pachyscelus). The medium-sized Rallus ibycus, new species, was possibly derived from North American populations of Virginia Rail (R. limicola), but had a longer bill, much more robust legs, and reduced wings and pectoral girdle. The very small Porzana piercei, new species, except for the reduced wing and pectoral girdle, is very similar to the extant Yellow-breasted Crake (P. flaviventer), which now occurs only in the Neotropics, including the Greater Antilles. The fauna that included these rails developed during a long, stable glacial period of lowered sea-levels in the Middle Pleistocene, during which the entire Bermuda platform was emergent. This was followed by an abrupt and extreme interglacial about 400,000 years ago when sea-levels rose to 21 m above present levels, obliterating most of Bermuda and much of its endemic fauna, including the rails. en
dc.format.extent 990462 bytes
dc.format.mimetype application/pdf
dc.language.iso en_US
dc.relation.ispartof Proceedings of the Biological Society of Washington en
dc.title Two new species of flightless rails (Aves : Rallidae) from the Middle Pleistocene &quot;crane fauna&quot; of Bermuda en
dc.type Journal Article en
dc.identifier.srbnumber 75163
rft.jtitle Proceedings of the Biological Society of Washington
rft.volume 113
rft.issue 2
rft.spage 356
rft.epage 368
dc.description.SIUnit NMNH en
dc.description.SIUnit NH-Vertebrate Zoology en
dc.citation.spage 356
dc.citation.epage 368


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