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AOU Checklist of North American Birds
Avian Knowledge Network
Avibase-World Bird Database
Biodiversity Information Projects of the World
Biodiversity Information Standards (TDWG)
BioGeomancer
BioGeomancer Workbench (semi-automated georeferencing)
Darwin Core
DiGIR Generic Information Retrieval
Fish Distributed Information System
Global Biodiversity Information Facility
Herpetological Database System
Integrated Taxonomic Information System
Mammal Networked Information System
Online Georeferencing and GIS Mapping Resources
Taxonomic Databases Working Group
Zoobase Taxonomic Database