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Squirrel Cuckoo

Piaya cayana (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. 61st suppl.)
Piaya [cayana or melanogaster]  
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
* Piaya cayana  
 
 
 
 
 
 
 
 
 
Piaya cayana
Squirrel Cuckoo
Piaya cayana
Squirrel Cuckoo
Piaya cayana
Squirrel Cuckoo
Piaya cayana [cayana, thermophila or nigricrissa]  
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Piaya cayana [cayana]  
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Piaya cayana cayana  
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Piaya cayana cayana (cayana)  
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
[Piaya cayana cayana (inexpectata)]  
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Piaya cayana mehleri  
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Piaya cayana mesura  
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Piaya cayana circe  
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Piaya cayana insulana  
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Piaya cayana obscura  
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Piaya cayana hellmayri  
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Piaya cayana pallescens  
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Piaya cayana pallescens (pallescens)  
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
[Piaya cayana pallescens (cearae)]  
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Piaya cayana cabanisi  
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Piaya cayana macroura  
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Piaya cayana mogenseni  
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Piaya cayana thermophila  
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Piaya cayana thermophila (thermophila)  
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
[Piaya cayana thermophila (stirtoni)]  
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Piaya cayana nigricrissa  
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Piaya cayana nigricrissa (nigricrissa)  
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
[Piaya cayana nigricrissa (boliviana)]  
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Piaya cayana [mexicana or extima]  
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Piaya cayana mexicana  
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Piaya cayana extima  
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
* Piaya melanogaster  
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Piaya melanogaster (melanogaster)  
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
[Piaya melanogaster (ochracea)]  
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 

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