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Spruce Grouse

Falcipennis canadensis (Linnaeus, 1758)

You can select up to 8 checklists to perform a comparison of taxonomic authorities for this taxon and related concepts:

You can also use one of the pre-defined group of taxonomic authorities below:

The table provided below compares authorities for this taxon and related concept. Names in red are those that differ from the name in the column located immediately to the left.
Species concept American Ornithologists' Union 1st edition (1886)American Ornithologists' Union 2nd edition (1895)American Ornithologists' Union 3rd edition (1910)American Ornithologists' Union 4th edition (1931)American Ornithologists' Union 5th edition (1957)American Ornithologists' Union 6th edition (1983)American Ornithologists' Union 7th edition (1998)American Ornithologists' Union 7th edition (incl. 60th suppl.)
* Falcipennis canadensis  
 
 
 
 
 
 
 
Canachites canadensis
Spruce Grouse
Dendragapus canadensis
Spruce Grouse
Falcipennis canadensis
Spruce Grouse
Falcipennis canadensis
Spruce Grouse
Falcipennis canadensis [canadensis] Dendragapus canadensis
Canada Grouse
Dendragapus canadensis
Canada Grouse
Canachites canadensis
Hudsonian Spruce Partridge
Canachites canadensis
Spruce Grouse
 
 
 
 
 
 
 
 
Falcipennis canadensis canadensis  
 
 
 
Canachites canadensis canadensis
 
Canachites canadensis canadensis
 
Canachites canadensis canadensis
 
 
 
 
 
 
 
Falcipennis canadensis canadensis {canadensis or labradorius}  
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Falcipennis canadensis canadensis (canadensis)  
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
[Falcipennis canadensis canadensis (labradorius)]  
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
[Falcipennis canadensis canadensis (torridus)]  
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Falcipennis canadensis osgoodi  
 
 
 
Canachites canadensis osgoodi
 
Canachites canadensis osgoodi
 
Canachites canadensis osgoodi
 
 
 
 
 
 
 
Falcipennis canadensis atratus  
 
 
 
 
 
Canachites canadensis atratus
 
Canachites canadensis atratus
 
 
 
 
 
 
 
Falcipennis canadensis canace  
 
 
 
Canachites canadensis canace
 
Canachites canadensis canace
 
Canachites canadensis canace
 
 
 
 
 
 
 
Falcipennis canadensis [franklinii or isleibi] Dendragapus franklinii
Franklin's Grouse
Dendragapus franklinii
Franklin's Grouse
Canachites franklini
Franklin's Grouse
Canachites franklini
Franklin's Grouse
Canachites canadensis franklinii
 
 
 
 
 
 
 
Falcipennis canadensis franklinii  
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Falcipennis canadensis isleibi  
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 

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