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
view in classification
Family
BioLib.cz Import
Animal Diversity Web Descriptions
AskNature Family
Avibase - IOC World Bird Names (2011)
view in classification
Family
BOLDS resource for higher-level taxa
BOLDS resource for higher-level taxa
BOLDS images II Family
BOLDS resource for species-level taxa Family
BioImages resource Family
BioKIDS Critter Catalog
Biopix Family
Bird Life History Family
Birds resource Family
Clements Checklist resource
view in classification
Family
Conabio Family
EOL Metrics Family
  • Apodidae
EOL hotlist Scratchpad Family
  • Apodidae
Environments Family
  • Apodidae
Taxonomic Hierarchy of COL-China 2012 Fauna Aves Family
GBIF Elevation Data Family
Global Biotic Interactions Family
Global Biotic Interactions Family
IABIN resource Family
INBio resource Family
IUCN Red List Family
IUCN Red List
view in classification
Family
BioLib.cz Import Family
Anage Data Family
Integrated Taxonomic Information System (ITIS)
view in classification
Family
Inventaire National du Patrimoine Naturel Family
Taxonomic Hierarchy of COL-China 2012 Lei Aves Family
MCZ resource Family
Morphbank Resource Family
NCBI Taxonomy
view in classification
Family
NatureServe resource Family
NCBI, GGBN, GBIF, BHL, BOLDS data coverage Family
  • Apodidae
OBIS Environmental Information
  • Apodidae
OBIS depth range resource Family
PNG_Birds Family
Paleobiology Database
view in classification
Family
SPIRE resource
South African Vertebrates
view in classification
Family
AnAge database Family
IUCN Structured Data Family
Taxonomic Hierarchy of COL-China 2012
view in classification
Family
World Register of Marine Species (WoRMS)
view in classification
Family
Wikimedia Commons
Wikimedia Commons Family
Wikipedia Family
Wikipedia
Wikipedia
Wright et al, 2014 Family
Wright et al, 2014 Family
iNaturalist Images Family
iSpot southern Africa Family
xeno-canto Bird Sounds Family

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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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