Scientists aim to describe a single 'tree of life' that reflects the evolutionary relationships of living things. However, evolutionary relationships are a matter of ongoing discovery, and there are different opinions about how living things should be grouped and named. EOL reflects these differences by supporting several different scientific 'classifications'. Some species have been named more than once. Such duplicates are listed under synonyms. EOL also provides support for common names which may vary across regions as well as languages.

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Preferred marks the preferred classification for this taxon.

Recognized By Rank Classification
Species 2000 & ITIS Catalogue of Life: April 2013
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Species
IUCN Structured Data
Anage Data
Animal Diversity Web Descriptions
BOLDS resource for species-level taxa
BOLDS resource for species-level taxa
Biopix
CalPhotos
  • Chelonoidis nigra
DiscoverLife map resource
  • Chelonoidis nigra
DiscoverLife map resource
  • Geochelone nigra
EOL Group on Flickr
EOL Group on Flickr
EOL Group on Flickr
EOL Group on Flickr
EOL Group on Flickr
EOL Group on Flickr
Environments
Freshwater and Marine Image Bank, University Libraries, U Washington
Herpetology Resource
IUCN Red List
IUCN Red List
IUCN Red List
IUCN Red List
IUCN Red List
IUCN Red List
IUCN Red List
IUCN Red List
IUCN Red List
IUCN Red List
IUCN Red List
IUCN Red List
IUCN Red List
IUCN Red List
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BioLib.cz Import
BioLib.cz Import
BioLib.cz Import
BioLib.cz Import
BioLib.cz Import
BioLib.cz Import
BioLib.cz Import
BioLib.cz Import
BioLib.cz Import
BioLib.cz Import
Integrated Taxonomic Information System (ITIS)
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Species
MCZ resource
MCZ resource
MCZ resource
MCZ resource
MCZ resource
MCZ resource
NCBI Taxonomy
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Species
Ocean Portal Links
  • Chelonoidis nigra
Paleobiology Database
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Species
PlanetScott.com images
  • Geochelone elephantopus
Rainforest Alliance's Eco-Index
  • Geochelone nigra
Alle Tierarten im Zoo Zürich
  • Geochelone nigra
IUCN Structured Data
IUCN Structured Data
AnAge database
IUCN Structured Data
IUCN Structured Data
IUCN Structured Data
IUCN Structured Data
IUCN Structured Data
IUCN Structured Data
IUCN Structured Data
IUCN Structured Data
IUCN Structured Data
IUCN Structured Data
TaxonConcept.org outlinks
  • Geochelone nigra
The Reptile Database
view in classification
US Fish and Wildlife Service Endangered Species Program resource
  • Geochelone nigra
Wikimedia Commons
Wikimedia Commons
Wikimedia Commons
Wikipedia
Wikipedia
iNaturalist Images Species

Disclaimer

EOL content is automatically assembled from many different content providers. As a result, from time to time you may find pages on EOL that are confusing.

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