taxonomy is a namespace in use on Flickr for tagging animals and plants according to their Biological classification

• genus - the genus
• binomial - genus and species, entered as Genus_species
• common - common name

• kingdom
• phylum
• class
• order
• family
• species

The Wedge-tailed Eagle, Aquila audax would be tagged with the following: taxonomy:kingdom=Animalia, taxonomy:phylum=Chordata, taxonomy:class=Aves, taxonomy:order=Falconiformes, taxonomy:family=Accipitridae, taxonomy:genus=Aquila, taxonomy:species=audax, taxonomy:common=Wedge-tailed Eagle, taxonomy:binomial=Aquila_audax,