Ibiza rail (original) (raw)
Die Ibiza-Ralle (Rallus eivissensis) ist eine ausgestorbene Rallenart, die auf der zu den Pityusen gehörenden Insel Ibiza endemisch war. Das Artepitheton bezieht sich auf Eivissa, die katalanische Bezeichnung für Ibiza.
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| dbo:abstract | Die Ibiza-Ralle (Rallus eivissensis) ist eine ausgestorbene Rallenart, die auf der zu den Pityusen gehörenden Insel Ibiza endemisch war. Das Artepitheton bezieht sich auf Eivissa, die katalanische Bezeichnung für Ibiza. (de) The Ibiza rail (Rallus eivissensis) is a recently discovered fossil species of rail, described from a late Pleistocene to Holocene cave deposit at , on the island of Ibiza. Ibiza is in the Pityuses group of the Spanish Balearic Islands in the Mediterranean Sea. The Ibiza rail was a relative of the extant water rail (Rallus aquaticus) and may be derived from it, but was a bit smaller and stouter, had shorter and more robust hind limbs and shorter wings, with probably reduced its flight capability. Consequently, it might have also occurred on neighbouring Formentera, where no possible locations have been surveyed. The extinction of this species was more recent than 16,700 years BC, probably roughly between 5,300 and 4,350 years BC. The latter dates broadly overlap a period of the possible arrival of humans at Ibiza, suggesting a relationship between the two events. The Ibiza rail is somewhat unusual insofar as that most extinct insular rails were completely flightless, whereas the Ibiza rail could still fly if it had to. However, it agrees in this respect with many species of rail still found on other continental islands worldwide, whereas most other forms were on oceanic islands. Nonetheless, as there were no terrestrial predators on Ibiza before the arrival of humans, it is probable that this species would ultimately have evolved to complete flightlessness and probably rather small size, which is a trend that seems to hold true for all species of rail which evolved on small islands without terrestrial predators. The paleoecology of the Pityuses group is peculiar because there were almost no mammals present and thus the trophic web in prehistoric times was more similar to the Hawaiian island of Moloka‘i than to Mallorca in the Baleares (Seguí & Alcover, 1999). While the islands may have provided more freshwater habitat due to better tree cover in the past, the Ibiza rail's habitat was probably brackish swamps in the coastal lowland. Extinction was most probably due to overhunting by the expanding human population. Most other extinct island rails which were unable to escape hunters due to flightlessness, but this species is more likely to have fallen victim to its small population size: Ibiza is not large, and available habitat was densely populated by various species of birds, which would leave little resources for a large population of any particular species. Thus, the Ibiza rail was likely to succumb to an amount of hunting which could have been tolerated by a larger population of island rails, flightless or not. (en) Rallus eivissensis est une espèce éteinte d'oiseaux de la famille des Rallidae. Cette espèce était endémique de l'île d'Ibiza. Cette espèce a été décrite à partir de fossiles datant du Pléistocène supérieur jusqu'au milieu de l'Holocène retrouvés dans une grotte à , sur l'île d'Ibiza. Ce râle était proche du Râle d'eau, et semble avoir dérivé de cette espèce toujours existante de nos jours. Il s'en distinguait par ses membres plus courts et plus robustes, et était légèrement plus petit. Il volait vraisemblablement très mal. Il a certainement disparu il y a entre 5 300 et 4 350 ans. (fr) Ibizarall (Rallus eivissensis) är en förhistorisk utdöd fågel i familjen rallar inom ordningen tran- och rallfåglar. (sv) Rallus eivissensis – opisany w 2005 roku wymarły gatunek chruściela występującego od późnego plejstocenu do wczesnego holocenu na terytorium Ibizy. (pl) |
| dbo:wikiPageExternalLink | http://www.gobmallorca.com/ornit/anuari/anuari2001/fossils.pdf http://www.sil.si.edu/smithsoniancontributions/Paleobiology/pdf_hi/SCtP-0089.pdf |
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| dbo:wikiPageWikiLink | dbr:Brackish dbc:Extinct_birds_of_Europe dbr:Anno_Domini dbr:Holocene dbr:List_of_extinct_animals_of_Europe dbr:Mediterranean_Sea dbr:Mallorca dbr:Mammal dbr:Ibis_(journal) dbr:Balearic_Islands dbr:Water_rail dbr:Formentera dbr:Hawaii dbc:Fossil_taxa_described_in_2005 dbc:Birds_described_in_2005 dbc:Holocene_extinctions dbc:Late_Quaternary_prehistoric_birds dbc:Rallus dbr:Pleistocene dbr:Population_growth dbr:Spain dbr:Ibiza dbr:Extinction dbr:Paleoecology dbr:Rallidae dbr:List_of_extinct_animals dbr:Continental_island dbr:Pityuses dbr:Moloka‘i dbr:Predator_(biology) dbr:Trophic_web dbr:Es_Pouàs |
| dbp:authority | McMinn, Palmer & Alcover, 2005 (en) |
| dbp:fossilRange | late Pleistocene- Early Holocene (en) |
| dbp:genus | Rallus (en) |
| dbp:name | Ibiza rail (en) |
| dbp:species | eivissensis (en) |
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| dcterms:subject | dbc:Extinct_birds_of_Europe dbc:Fossil_taxa_described_in_2005 dbc:Birds_described_in_2005 dbc:Holocene_extinctions dbc:Late_Quaternary_prehistoric_birds dbc:Rallus |
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| rdfs:comment | Die Ibiza-Ralle (Rallus eivissensis) ist eine ausgestorbene Rallenart, die auf der zu den Pityusen gehörenden Insel Ibiza endemisch war. Das Artepitheton bezieht sich auf Eivissa, die katalanische Bezeichnung für Ibiza. (de) Rallus eivissensis est une espèce éteinte d'oiseaux de la famille des Rallidae. Cette espèce était endémique de l'île d'Ibiza. Cette espèce a été décrite à partir de fossiles datant du Pléistocène supérieur jusqu'au milieu de l'Holocène retrouvés dans une grotte à , sur l'île d'Ibiza. Ce râle était proche du Râle d'eau, et semble avoir dérivé de cette espèce toujours existante de nos jours. Il s'en distinguait par ses membres plus courts et plus robustes, et était légèrement plus petit. Il volait vraisemblablement très mal. Il a certainement disparu il y a entre 5 300 et 4 350 ans. (fr) Ibizarall (Rallus eivissensis) är en förhistorisk utdöd fågel i familjen rallar inom ordningen tran- och rallfåglar. (sv) Rallus eivissensis – opisany w 2005 roku wymarły gatunek chruściela występującego od późnego plejstocenu do wczesnego holocenu na terytorium Ibizy. (pl) The Ibiza rail (Rallus eivissensis) is a recently discovered fossil species of rail, described from a late Pleistocene to Holocene cave deposit at , on the island of Ibiza. Ibiza is in the Pityuses group of the Spanish Balearic Islands in the Mediterranean Sea. The Ibiza rail was a relative of the extant water rail (Rallus aquaticus) and may be derived from it, but was a bit smaller and stouter, had shorter and more robust hind limbs and shorter wings, with probably reduced its flight capability. Consequently, it might have also occurred on neighbouring Formentera, where no possible locations have been surveyed. (en) |
| rdfs:label | Ibiza-Ralle (de) Ibiza rail (en) Rallus eivissensis (fr) Rallus eivissensis (pl) Ibizarall (sv) |
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