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Ruffed Grouse

Bonasa umbellus (Linnaeus, 1766)

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.)
* Bonasa umbellus Bonasa umbellus
Ruffed Grouse
Bonasa umbellus
Ruffed Grouse
Bonasa umbellus
Ruffed Grouse
Bonasa umbellus
Ruffed Grouse
Bonasa umbellus
Ruffed Grouse
Bonasa umbellus
Ruffed Grouse
Bonasa umbellus
Ruffed Grouse
Bonasa umbellus
Ruffed Grouse
Bonasa umbellus [umbellus or helmei]  
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Bonasa umbellus umbellus Bonasa umbellus umbellus
 
Bonasa umbellus umbellus
 
Bonasa umbellus umbellus
 
Bonasa umbellus umbellus
 
Bonasa umbellus umbellus
 
 
 
 
 
 
 
Bonasa umbellus yukonensis  
 
 
 
 
 
Bonasa umbellus yukonensis
 
Bonasa umbellus yukonensis
 
 
 
 
 
 
 
Bonasa umbellus [umbelloides or affinis] Bonasa umbellus umbelloides
 
Bonasa umbellus umbelloides
 
Bonasa umbellus umbelloides
 
Bonasa umbellus umbelloides
 
Bonasa umbellus umbelloides
 
 
 
 
 
 
 
Bonasa umbellus umbelloides  
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Bonasa umbellus affinis  
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Bonasa umbellus labradorensis  
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Bonasa umbellus sabini Bonasa umbellus sabini
 
Bonasa umbellus sabini
 
Bonasa umbellus sabini
 
Bonasa umbellus sabini
 
Bonasa umbellus sabini
 
 
 
 
 
 
 
Bonasa umbellus brunnescens  
 
 
 
 
 
 
 
Bonasa umbellus brunnescens
 
 
 
 
 
 
 
Bonasa umbellus castanea  
 
 
 
 
 
 
 
Bonasa umbellus castanea
 
 
 
 
 
 
 
Bonasa umbellus phaios  
 
 
 
 
 
 
 
Bonasa umbellus phaia
 
 
 
 
 
 
 
Bonasa umbellus incana  
 
 
 
 
 
 
 
Bonasa umbellus incana
 
 
 
 
 
 
 
Bonasa umbellus mediana  
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Bonasa umbellus [togata or helmei] Bonasa umbellus togata
 
Bonasa umbellus togata
 
Bonasa umbellus togata
 
 
 
Bonasa umbellus togata
 
 
 
 
 
 
 
Bonasa umbellus togata  
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Bonasa umbellus togata (togata)  
 
 
 
 
 
Bonasa umbellus togata
 
 
 
 
 
 
 
 
 
[Bonasa umbellus togata (thayeri)]  
 
 
 
 
 
Bonasa umbellus thayeri
 
 
 
 
 
 
 
 
 
Bonasa umbellus helmei  
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Bonasa umbellus monticola  
 
 
 
 
 
 
 
Bonasa umbellus monticola
 
 
 
 
 
 
 
Bonasa umbellus obscura  
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 

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