Welcome Guest

Grey-collared Becard

Pachyramphus major (Cabanis, 1847)

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' Society 7th edition (incl. 62nd suppl.)
* Pachyramphus major  
 
 
 
 
 
 
 
 
 
Pachyramphus major
Gray-collared Becard
Pachyramphus major
Gray-collared Becard
Pachyramphus major
Gray-collared Becard
Pachyramphus major [major]  
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Pachyramphus major major  
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Pachyramphus major matudai  
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Pachyramphus major itzensis  
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Pachyramphus major australis  
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Pachyramphus major uropygialis  
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 

Avibase has been visited 342,323,223 times since 24 June 2003. © Denis Lepage | Privacy policy