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Chelonoidis nigra

Known as: Geochelone nigra, Charles Island giant tortoise, Chelonoidis elephantopus 
National Institutes of Health

Papers overview

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Highly Cited
2010
Highly Cited
2010
Gaze following in the red-footed tortoise (Geochelone carbonaria)
Gaze following refers to the ability of an animal to orient its gaze direction to that of another organism. Such a behavior may… 
2010
2010
DNA from the Past Informs Ex Situ Conservation for the Future: An “Extinct” Species of Galápagos Tortoise Identified in Captivity
Background Although not unusual to find captive relicts of species lost in the wild, rarely are presumed extinct species… 
2010
2010
Red- and yellow-footed tortoises, Chelonoidis carbonaria and C. denticulata (Reptilia: Testudines: Testudinidae), in South American savannahs and forests: do their phylogeographies reflect distinct…
Using sequence data of the mitochondrial cytochrome b gene, we investigated phylogeographic differentiation of the Amazonian… 
2007
2007
Spatial learning and memory in the tortoise (Geochelone carbonaria).
A single tortoise (Geochelone carbonaria) was trained in an eight-arm radial maze, with the apparatus and general procedures… 
2005
2005
Giant Galápagos tortoises walk without inverted pendulum mechanical-energy exchange
SUMMARY Animals must perform mechanical work during walking, but most conserve substantial mechanical energy via an inverted… 
Review
1998
Review
1998
Role of urinary and cloacal bladders in chelonian water economy: historical and comparative perspectives.
  • C. Jørgensen
  • Biological Reviews of The Cambridge Philosophical…
  • 1998
  • Corpus ID: 38746691
The Parisian comparative anatomist Claude Perrault, dissecting an Indian giant tortoise in 1676, was the first to observe that… 
1996
1996
Axenic culture of reptilian Blastocystis isolates in monophasic medium and speciation by karyotypic typing
Abstract The growth of axenic reptilian isolates of Blastocystis in Iscove’s modified Dulbecco’s medium (IMDM) was studied and… 
Highly Cited
1992
Highly Cited
1992
Implicit and Explicit Memory for Verbal Information Presented during Sleep
This study examined implicit memory for words presented during sleep. Ten experimental subjects were presented with word pairs… 
Review
1986
Review
1986
Holocene vertebrate fossils from Isla Floreana, Galápagos
Steadman, David W. Holocene Vertebrate Fossils from Isla Floreana, Galapagos. Smithsonian Contributions to Zoology, number 413… 
1980
1980
Cutaneous and renal geotrichosis in a giant tortoise (Geochelone elephantopus).
A case of cutaneous and renal geotrichosis in a giant tortoise, Geochelone elephantopus, at the Zoological Park of Barcelona is… 
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